K. M. Aboras and A. A. Hossam El-din Ahmed H. H. Ali. Egypt-Japan University of Science and Technology

Size: px
Start display at page:

Download "K. M. Aboras and A. A. Hossam El-din Ahmed H. H. Ali. Egypt-Japan University of Science and Technology"

Transcription

1 A Comparative Analysis between the Performances of Outdoor Hybrid System Located in Burj Al-Arab and Complete Real System Model of Wind Turbine Power Generation Which Was Built in MATLAB/SIMULINK using Permanent Magnet Synchronous Machine K. M. Aboras and A. A. Hossam El-din Ahmed H. H. Ali Department of Electrical Engineering Department of Energy Resource and Enviromental Engineering Alexandria University Egypt-Japan University of Science and Technology Alexandria 21544, Egypt. Alexandria 21934, Egypt. Abstract - With the current rapid industrial development in the world, energy shortage has become one of the biggest issues that many countries are facing. As a consequence of rising cost of fossil fuel and advanced technology, renewable, clean and green energy is the perfect alternative for non-renewable energy. In this paper, we ll compare between real values modeling of wind turbine power generation system has been built in MATLAB/Simulink and experimental reading for output dc current and output dc voltage before battery storage line Vs wind speed applied on outdoor Hybrid system located in Burj Al-Arab trying to prove that this complete real system wind turbine system has been built in SIMULINK model is valid for any micro turbine power generation of power with permanent magnet synchronous machine (PMSM) located in any site. The WT model was built using the real values of mechanical torque and power. The fixed controlled pitch wind-driven turbine model has been used for generating power with (PMSM). Each part of the system is built from the dynamics of every part of the generation system with their interconnections. The model is built in the MATLAB/Simulink using SimPower Systems library. The performance of the built model is studied for an isolated load. The SIMULINK model of the whole system with wind turbine has been developed and some relations and curves are deduced by XY graph and scopes from MATLAB/Simulink model. Index Terms - Micro-turbine, permanent magnet synchronous machine, wind turbine, hybrid system. I. INTRODUCTION The global concern about the environmental problems such as pollution and the depletion of natural resources due to using fossil fuels for generating electrical power, researchers are now focusing on obtaining new renewable and environmentally friendly resources of electrical power. The wind energy conversion system is becoming one of the most popular systems all over the world for emission-free, clean and green electrical power generation. Electrical power generation using wind energy is possible in two ways, constant speed operation and variable speed operation using power electronic converters. Variable speed power generation is used more because all wind velocities can be used to generate maximum electric power. Many generations used wind energy for thousands of years for primitive purposes, e.g. milling grain, pumping water and sailing [1]. It was not until 1888 when the first electricity generating windmill system was assembled in Cleveland, Ohio but it was very inefficient producing only 12 kilowatts. During the 1930 s, two notable primitive large-scale wind generators were established: (The Balaclava generator on the Black Sea and the Smith-Putnam generator in Vermont). The wind energy industry has experienced a growth of almost 30 percent each year through the last decade [2] There are two main types of wind energy conversion systems (WECS)s:- a. Fixed-speed WECS and b. Variable-speed WECS Power maximization techniques and algorithms are used in the variable-speed WECS in order to extract as much power as possible from the wind. II. WIND TURBINE CHARACTERISTICS AND MODEL The wind turbine operates at constant speed with variable pitch angle control which permits the machine to generate electrical power directly at 60/50 Hz so it can be connected to the grid. A variable-speed wind generation system generates variable voltage and variable frequency power that gets converted to constant voltage and constant frequency before connecting it to the grid. The fixed cost of this system is high, but the energy capture is large enough to make the life-cycle cost lower. The constant-speed system practically neglected due to recent technological advances in wind turbine field, power electronics, and AC drives. The wind turbine model in this thesis is based on the real value system. Conventional wind model was not based on real 1156

2 value system. The simulink model of WT is modeled using real value system in order to make the wind turbine model compatible with the real value component. Certain assumptions have been made to the given MATLAB/Simulink wind turbine model. First, in order to make the turbine model compatible with the real value components of the WECS, the wind turbine model is based on real value system. Second, the fixed pitch turbine model is made to represent a controlled fixed pitch turbine. Pitch control is achieved through hydraulic manipulation. Therefore, actually the controlled variable pitch model was used to isolate the effects of electrical control rather than mechanical control. The power coefficient characteristic is a non-linear curve which reflects the aerodynamic behavior of a wind turbine so this curve must be defined. The custom turbine model basis is formed by the characteristics of the wind turbine. The dimensionless, nonlinear C p characteristic is represented as: Where: C1 = , C2 = 116, C3 = 0.4, C4 = 5, C5 = 21, C6 = First, in order to make the turbine model compatible with the real value components of the WECS, the wind turbine model is based on real value system. Second, the fixed pitch turbine model is made to represent a controlled fixed pitch turbine. Pitch control is achieved through hydraulic manipulation. So, actually the controlled variable pitch model was used to isolate the effects of electrical control rather than mechanical control. So, the new power coefficient equation is derived as: The new power coefficient curve is shown in Fig1. The power and torque characteristics of a wind turbine are represented by equations Eq. (4) and Eq. (5). Using the power coefficient function given by Eq. (3), the mechanical power of the turbine can be represented now as: The torque is defined as: (1) (2) (3) (4) (5) J s = J T + J G (G) (7) Where J T is the inertia of the turbine, J G is the inertia of the machine, and G is the gear ratio between the turbine and the generator. TABLE I CUSTOMIZED WIND TURBINE PARAMETERS Number of blades 3 Blade radius meter Gear ratio 1\1 Pitch Air Density kpa The complete real wind turbine system was built in SIMULINK as shown in Fig.1. Corresponding to real value system of the wind turbine model, wind turbine subsystem can be simulated in MATLAB/SIMULINK as in Fig.2. Aerodynamic characteristics and the energy transfer characteristics within a wind turbine are absent in this model. The WTG system drive control system can be implemented by building the PWM MPPT controller in MATLAB/ Simulink for variable wind turbine speed [3]. From wind turbine subsystem MATLAB model we can draw those relations. The mode of operation is controlled by the sign of the mechanical torque T m (positive represents motor mode and negative represents generator mode). After certain interval of time (0.4 sec.) the turbine torque becomes negative and operates as a generator as shown in Fig.8 and Fig.9. Between the turbine shaft and generator rotor shaft, a gear box (G = ω h / ω l ) is installed to increase the turbine low shaft speed to high Generator rotor speed when the gear ratio in this case is 1. (8) The outdoor hybrid system located in Burj Al-Arab specifications are summarized in Table I. The relationship between the turbine output torque and the generator rotor speed is given by Eq. (6). Fig.1 Customized Model of Wind Turbine (6) Where T m is the mechanical torque, J s is the total inertia of wind turbine, and ω is the angular velocity of the turbine shaft. J s, is given by: Fig.2 Custom Wind Turbine structure 1157

3 2.1. Relation between Cp Vs TSR at zero pitch angle From XY graph shown in Fig.3 in model we can deduce the relation between The C p Vs TSR (tip speed ratio) for constant pitch angle equal to zero. C p max is obtained for certain λ opm as illustrated by the dotted line in Fig.3. Fig.3 Cp Vs TSR at ZERO pitch angle 2.2. Relation between Cp Vs TSR at different pitch angles By changing the pitch angles for different values, we notice that the curve of C p Vs TSR will take different shapes as in Fig.4. The maximum value of C p max can be obtained at zero pitch. C p max is inverse proportional to pitch angle for certain λ opm. Fig.5 mechanical power Vs speed generator 2.4. Relation between mechanical output power from WT and generator speed For different wind speed we can get different power curves. Max power value is proportional to wind speed as illustrated in Fig.6. Each power curve has certain value for ω called ω opm where max power value can be obtained at constant wind speed. The value of ω opm for each power curve increases with increasing in wind speed as shown in Fig.6. These values of ω opm for each different value of wind speed can be calculated by certain mathematical algorithm. It can be done by power electronic technique this which is called max power point tracking (MPPT) as illustrated in Fig.7. Fig.6 Relation between mechanical power and speed generator for different wind speed Fig.4 Cp Vs TSR at different pitch angles 2.3. Relation between mechanical output power from WT and generator speed In the subsystem wind turbine, the relation between the output mechanical power P mech max and generator speed ω has been determined keeping the wind velocity 13 m/s, and the simulation time is taken as 50 sec as shown in Fig.5. Here, we notice that at certain ω opm we get max mechanical power. Fig.7 illustration figure for MPPT 1158

4 III. MATHEMATICAL MODELING OF PMSM 3.1 Permanent Magnet Synchronous Machine Model There is noticeable symmetry between the mathematical model of a PMSM and the wound rotor synchronous machine. As a result of using modern rare-earth variety with high resistivity for permanent magnets in PMSM, induced currents in the rotor are negligible. Also, there is no difference between the back EMF produced by a permanent magnet and the one produced by an excited coil. So, there s actually symmetry between the mathematical model of a PMSM and the wound rotor synchronous machine (SM). The PMSM block operates in either motor or generator mode. The sign of the mechanical torque indicates the mode of operation (positive represents motor mode and negative represents generator mode) [4]. The machine s mechanical and electrical parts are represented by a second order state-space model. The flux established by the permanent magnets in the stator is assumed to be sinusoidal in this model; this implies that the electromotive forces are sinusoidal. The block represents the following equations expressed in the rotor reference frame (dq frame). The PMSM stator dq-axis voltage equations in the rotor reference frame are given by these equations: This model is standard current dynamics model of a PMSM where R s is the stator resistance, V d and V q are dq-axis voltages, i d and i q are dq-axis current components, L d and L q are the d-axis and q-axis inductances respectively, ω r is the rotor speed and λ m is the flux linkage. The (d, q) axis equivalent circuit is shown below in Fig.8. The d q variables are obtained from (a, b, c) variables using the Park s transformation as defined below. θ r is the rotor angular position. (13) The (a, b, c) variables are obtained from the (d, q) variables using the inverse of the Park s transformation as shown below: The total input power across the air gap is given by: (14) (15) (9) (10) The flux linkage in d direction, λ d = L d i d + λ m The flux linkage in q direction, λ q = L q i q A rotor current term is not included due to assuming that no rotor winding is present. The following equations are obtained using the above equations. When the stator phase quantities are transformed using the Park s transformation to the rotor d-q reference frame which rotates at a speed ω r = dθ r /dt, the equation becomes: (16) The mathematical output power P out can be obtained by replacing V d and V q with the associated speed voltages where the zero sequence quantities are neglected: V d = R s i d + L d (di d /dt) - w r L q i q (11) V q = R s i q + L q (di q /dt) ω r L d i d + ω r λ m (12) (17) For a machine that has P number of poles and ω r = (P/2) ω rm, where ω rm is the rotor speed in mechanical rad/sec. (18) Fig.8 d-q-axis equivalent circuit model of the PMSM (a) d-axis (b) q-axis By dividing output power with mechanical speed ω rm, the equation for electromagnetic torque T e is obtained and given as shown in Eq.(19): (19) If the number of pole pairs is P then electromagnetic torque becomes: (20) Fig.9 Machine side converter Controller in SIMULINK 1159

5 It is clear from the above equation that the produced torque consists of two parts. The first one is called reluctance torque due to the saliency, while the second is called excitation torque. For non-salient PMSM (L d = L q ) the electromagnetic torque is: (21) The relationship between the electromagnetic torque (T e ) and the load torque (T l ) is given as: (22) Where T l is the load torque, J is the moment of inertia and B is the friction coefficient. The equation could be written as first order equations for simulation of the dynamic characteristics of the drive as shown below: (23) (24) Where B is the viscous friction of rotor and load, J is the moment of inertia, θ r is the rotor angular position, ω r is the rotor speed, T e is the electromagnetic torque and Tm is shaft mechanical torque. The differential equations controlling the system can be represented as: Electrical system: (25) (26) (27) Where: all quantities in the rotor reference frame are referred to the stator frame. Mechanical system: (28) (29) 3..2 Machine Side Converter Control Machine side converter control consists of two loop control structure, i.e. inner loops and outer loops in dq synchronous reference frame. The inner loop is used to control the electrical dynamics while the outer loop is used to control the mechanical dynamics in dq synchronous reference frame. the electrical dynamics are faster than the mechanical dynamics in the machine drive. The mechanical constant is usually many times greater than the electrical time constant. The inner loop current controller can force the motor current to follow their dominant values. Therefore, the balanced currents are actually equal to the reference values under the control action. The outer loop function is to regulate the speed of the machine at their maximum output by sending current commands to inner current loop. On the other hand, the outer speed loop ensures that the actual speed is always equal to the commanded speed. Therefore, any transient will be an overcome within the system dynamics without exceeding the motor and inverter abilities. The inner current loop can also assure fast current response within the drive system. The drive is fed in a way that makes the q-axis current provides the desired torque [5-7]. Fig.9 shows the implemented model of the machine side converter controller in Matlab/Simulink SimPower Systems library [8]. It is the high-efficiency drive control system for the WTG system. The commanded speed ω ref is precalculated according to the turbine output power and set to the optimum speed [8]. Based on the speed error, the commanded q-axis reference current i qref is determined through the speed controller. The following PI controller is employed as the speed controller in this system. (30) Where e ω is the error between the reference speed and the measured speed, and K pω and K Iω are the proportional and integral gains of the speed controller respectively. Based on the current errors, the d-q axis reference voltages are determined by the PI controllers as shown below: (31) (32) Where: F: Viscous friction of rotor and load. i q, i d : q and d axis currents. J: Inertia of rotor and load. L q, L d : q and d axis inductances. P: Number of pairs of pole. R: The stator windings resistance. T e : Electromagnetic torque. T M : Mechanical torque of the shaft. v q, v d : q and d axis voltages. θ: Rotor angular position. λ: Flux induced by the PM in the stator windings. ω r : The rotor angular velocity. Where e d = i dref i d is the d-axis current error and e q = i qref - i q is the q-axis current error and K pi and K Ii are the proportional and integral gains of the controller respectively. [9]. The dq - axis voltages (V d, V q ) are transformed into a, b, c quantities (V a, V b,v c ) and given to PWM generator to generate the gate pulse for machine side converter Line Side Converter Control The function of the Line side converter control is to keep the DC link voltage constant regardless of the magnitude and direction of the rotor power. With the reference frame oriented along the Line voltage vector position, a vector 1160

6 control approach is used here to enable independent control of the voltage and frequency between the load and Line side converter control. The PWM converter is current regulated where The DC link voltage is regulated using the direct axis current component. Quadrature axis current component is used for regulating the reactive power [9-10]. The implemented model of the Line side converter controller in MATLAB/Simulink SimPower Systems library is shown in Fig.10 [8]. The Line side converter controller operates as a controlled power source. The standard PI controller is used to regulate the DC voltage in the outer loops and the line currents in the d-q synchronous frame in the inner control loops. PI controller regulates the DC bus voltage by assuming an i d current component which represents the active component of the injected current into the Line and i q is the reactive component of the injected current into the Line. The i q current reference is set to zero In order to obtain only a transfer of active power. The decoupling terms are used to achieve independent control of i d and i q. Therefore a PLL is used to synchronize the converter with the Line as the difference between Line phase angle and the inverter phase angle can be reduced to zero using PI controller. 3.4 Simulation Model of WTG System The complete model of the MTG system which is implemented in the Matlab/Simulink SimPower Systems library is shown in Fig.11. The input of The Wind Turbine Generation (WTG) system is wind speed and angular speed of PMSM. The input mechanical torque (T m ) for the PMSM is the torque output of the wind turbine. The direction of torque T m is positive during motoring mode and made negative during generating mode of PMSM [4]. Fig.11 Model of WTG System connected to isolated load in SIMULINK The input of the machine side converter controller is the rotor speed and three phase stator current signals of the PMSM. The machine side and line side converters use the sinusoidal pulse width modulation (SPWM) with triangular carrier signal. Both machine side and line side converters are IGBTbased VSC, that is available in universal bridge block in the Simulink of the MATLAB. The function of the three phaseactive LCL filter circuit is to reduce the high-order harmonics distortion and supplies the reactive power to the system and maintain the Load end-side voltage and current wave forms as sinusoidal. Conversion of ac generator voltages in wind systems to DC link voltages has been dominated by phase controlled or diode rectifiers. Recently, this thesis has changed this diode rectifier to IGBT converter gated by MPPT PWM converter which takes line current and generator speed as input. This change was made because the non-ideal character of the input current drawn by these rectifiers approach creates a number of problems for the power distribution network and for other electrical systems in the vicinity of the rectifier e.g.: a. Phase displacement of the current and voltage fundamentals which requires that the source and distribution equipment handle reactive power increasing their volt-ampere ratings. b. Low input power factor and high input current harmonics. c. Lower rectifier efficiency because RMS values of the input current are large. d. Input AC mains voltage distortion due to the associated higher peak currents. e. Large reactive components size. Fig.10 Line side converter Controller in SIMULINK 3.5 Relation between output electrical power and wind speed After getting the previous relations from the subsystem wind turbine, we will draw the relation between the output electrical power after machine side converter and wind speed in micro-turbine generation system as shown in Fig.12 from XY graph in MATLAB/Simulink. 1161

7 TABLE II MODULE SPECIFICATIONS IN DATA SHEET General Configuration Propeller plane diameter Rotation operating range diameter Weight Main body length Start of power generation (cut-in) wind speed Cut-in rotational speed Rated output speed 1170 mm 1240 mm 6 kg 675 mm 2.5 m / s 500 rpm 1700 rpm Fig.12 Relation between output electrical The wind speed profile input Wind profile for this relation is shown in Fig.13, obtained from scope 8 in MATLAB/Simulink as shown in Fig.11. Upper limit voltage adjustment range DC13.0 ~ 17.0V Rated output (rated wind speed 12.5 m/s at the time) Maximum output Rated output voltage 400 W 450 W DC12V Battery bank voltage (Vdc) 12V Fig.13 wind speed profile IV. EXPERIMENTAL WORK The module used is a small wind turbine. Zephyr is seeking type certification for the Z-501 wind turbine. Used in E-JUST university small turbine to be certified in Japan, this wind turbine is a part of a hybrid system consisting of a solar panel with a controller and an inverter Fig.14. The maximum output power of the hybrid system is 800W. The experimental work is done directly on the wind turbine. The specifications are shown in Table II. Generator efficiency >0.8 Wind energy utilizing ratio (C p) 0.4 Generator type Generator weight (kg) 5.5 Speed regulation method Blade material/quantity Shutting down method Permanent Magnet Alternator Yawing+Electrom agnetism braking GRP/3 Manual+Automati c The experimental work was done on the wind turbine during the first half of Septamber-2013 for 14 days, and max wind speed during summer season is 9 m/s.temperature, humidity and wind speed are measured using a portable metrological weather station. The data was instantaneously recorded and the average value was reported each 15 minutes on an LCD attached to this metrological weather station. In order to determine the characteristics of the wind turbine, as circuit diagram that is illustrated in Fig.15. Ammeter and voltameter used with ranges of 100 A and 20V respectievley. Fig.14 Hybrid system located in Borg Al Arab 1162

8 5.2 Experimental relation readings between Electrical Output power of wind turbine in watt and wind speed in m/s Fig.15 connection diagram V. EXPERIMENTAL RESULTS The results was registered for 5 times at each point and the average value was reported for all current and wind speed. The results are tabulated and drawn relation curves between them. 5.1 Experimental relation readings between Electrical current in ampere, voltage in volt of wind turbine and Wind speed in m/s. Fig.17 Experimental readings between power in watt and wind speed in m/s VI. MANUFACTURER S LEAFLET DATA FROM ZEPHYR Z-501 WIND TURBINE Zephyr company provides me with those relation for the wind turbine module. Fig.18 Relation between turbine speed in rpm and wind speed in m/s from manufacturer s leaflet Fig.16 Experimental readings between current in A and wind speed in m/s VII. MATLAB MODEL VALIDATION A comparison is made between the results obtained from the experimental measurements and the MATLAB simulation, the result showed the error obtained in the different parameters of the characteristics. The maximum error was found in 6.021m/sec wind speed with value of 6% which is considered acceptable value in order to rely on the simulation as a tool of prediction of the performance of the wind turbine in different operation cases. Fig.19 shows the comparison between the experimental readings and manufacturer s leaflet in output power and wind speed, Fig.21 shows the comparison between the experimental readings and MATLAB modeling in output power and wind speed, Fig.22 shows the comparison between manufacturer s leaflet and MATLAB modeling in output power and wind speed and Fig.23 shows the comparison between manufacturer s leaflet, MATLAB modeling and 1163

9 experimental readings in output power and wind speed. Table V represents the results of the comparison made between the measured and simulated results. TABLE V COMPARISON BETWEEN MEASUREMENTS SIMULATION AND MANUFACTURER S LEAFLET Measured Values Simulated Values P (Watt) W W The maximum error was found in 6.021m/sec wind speed value Deviation 3.41 % Fig.21 Comparison between experimental readings and MATLAB modeling in output power and wind speed Fig.19 Comparison between experimental readings and manufacturer s leaflet in output power and wind speed Fig.22 Comparison between manufacturer s leaflet and MATLAB modeling in output power and wind speed Fig.23 Comparison between manufacturer s leaflet, MATLAB modeling and experimental readings in output power and wind speed Fig.20 Comparison between experimental readings and manufacturer s leaflet in output power and wind speed zooming in VIII. CONCLUSIONS Comparing results from Complete real system model of wind turbin power generation which was built in Simulink using permanent magnet synchronous machine and experimental reading for output dc current and output dc voltage before battery storage line Vs wind speed applied on outdoor Hybrid system located in Burj Al-Arab, the comparison showed a big coincidence between both of the curves with some small systematic errors. 1164

10 REFERENCES [1] T. I. of Electrical and E. E. Inc, IEEE canadian review: Green power, Mathematical and Computational Applications, pp ,December [2] Global wind report, [3] 20. R. Datta and V.-T. Ranganathan, A method of tracking the peak power points for a variable speed wind energy conversion system, IEEE Transactions on Energy Conversion, Vol. 18, pp , March [4] M. Chinchilla, S. Arnaltes, and J.-C. Burgos, Control of permanentmagnet generators applied to variable-speed wind-energy systems connected to the grid, IEEE Transactions on Energy Conversion, Vol. 21, pp , March [5] Morimoto, M. Sanada and Y. Takeda, Wide speed operation of interior permanent magnet synchronous motors with high performance current regulator, IEEE Trans. Industrial Applications, Vol. 30, pp , July/Aug [6] M. Liserre, F, Blaabjerg and S. Hansen, "Design and control of an LCL filter based three-phase active rectifier," IEEE Trans. On Industry Applications, Vol. 4, no. 5, pp , September/ October [7] Chee-Mun Ong, Dynamic Simulation of Electric Machinery Using Matlab/Simulink, Prentice Hall [8] Matlab/Simulink SimPower Systems Documentation, [9] E. Koutroulis and K. Kalaitzakis, Design of a maximum power tracking system for wind-energy-conversion applications, IEEE Transactions on Industrial Electronics, Vol. 53, April [10] A.-B. Raju, K. Chatterjee, and B.-G. Fernandes, A simple maximum power point tracker for grid connected variable speed wind energy conversion system with reduced switch count power converters, IEEE Power Electronics Specialist Conference, PESC 03, pp , June

STUDY ON MAXIMUM POWER EXTRACTION CONTROL FOR PMSG BASED WIND ENERGY CONVERSION SYSTEM

STUDY ON MAXIMUM POWER EXTRACTION CONTROL FOR PMSG BASED WIND ENERGY CONVERSION SYSTEM STUDY ON MAXIMUM POWER EXTRACTION CONTROL FOR PMSG BASED WIND ENERGY CONVERSION SYSTEM Ms. Dipali A. Umak 1, Ms. Trupti S. Thakare 2, Prof. R. K. Kirpane 3 1 Student (BE), Dept. of EE, DES s COET, Maharashtra,

More information

CHAPTER 4 MODELING OF PERMANENT MAGNET SYNCHRONOUS GENERATOR BASED WIND ENERGY CONVERSION SYSTEM

CHAPTER 4 MODELING OF PERMANENT MAGNET SYNCHRONOUS GENERATOR BASED WIND ENERGY CONVERSION SYSTEM 47 CHAPTER 4 MODELING OF PERMANENT MAGNET SYNCHRONOUS GENERATOR BASED WIND ENERGY CONVERSION SYSTEM 4.1 INTRODUCTION Wind energy has been the subject of much recent research and development. The only negative

More information

Performance Analysis of 3-Ø Self-Excited Induction Generator with Rectifier Load

Performance Analysis of 3-Ø Self-Excited Induction Generator with Rectifier Load Performance Analysis of 3-Ø Self-Excited Induction Generator with Rectifier Load,,, ABSTRACT- In this paper the steady-state analysis of self excited induction generator is presented and a method to calculate

More information

CHAPTER 5 FAULT AND HARMONIC ANALYSIS USING PV ARRAY BASED STATCOM

CHAPTER 5 FAULT AND HARMONIC ANALYSIS USING PV ARRAY BASED STATCOM 106 CHAPTER 5 FAULT AND HARMONIC ANALYSIS USING PV ARRAY BASED STATCOM 5.1 INTRODUCTION Inherent characteristics of renewable energy resources cause technical issues not encountered with conventional thermal,

More information

POWER QUALITY IMPROVEMENT BASED UPQC FOR WIND POWER GENERATION

POWER QUALITY IMPROVEMENT BASED UPQC FOR WIND POWER GENERATION International Journal of Latest Research in Science and Technology Volume 3, Issue 1: Page No.68-74,January-February 2014 http://www.mnkjournals.com/ijlrst.htm ISSN (Online):2278-5299 POWER QUALITY IMPROVEMENT

More information

International Journal of Advance Research in Engineering, Science & Technology

International Journal of Advance Research in Engineering, Science & Technology Impact Factor (SJIF): 4.542 International Journal of Advance Research in Engineering, Science & Technology e-issn: 2393-9877, p-issn: 2394-2444 Volume 4, Issue 4, April-2017 Simulation and Analysis for

More information

Model Predictive Control of Back-to-Back Converter in PMSG Based Wind Energy System

Model Predictive Control of Back-to-Back Converter in PMSG Based Wind Energy System Model Predictive Control of Back-to-Back Converter in PMSG Based Wind Energy System Sugali Shankar Naik 1, R.Kiranmayi 2, M.Rathaiah 3 1P.G Student, Dept. of EEE, JNTUA College of Engineering, 2Professor,

More information

A Comparative Study of Constant Speed and Variable Speed Wind Energy Conversion Systems

A Comparative Study of Constant Speed and Variable Speed Wind Energy Conversion Systems GRD Journals- Global Research and Development Journal for Engineering Volume 1 Issue 10 September 2016 ISSN: 2455-5703 A Comparative Study of Constant Speed and Variable Speed Wind Energy Conversion Systems

More information

International Journal of Engineering Research-Online A Peer Reviewed International Journal Articles available online

International Journal of Engineering Research-Online A Peer Reviewed International Journal Articles available online RESEARCH ARTICLE ISSN: 2321-7758 Modeling and simulation of Concentrated Solar Thermal Plant (CSTP) turbine based DG system feeding Vector Controlled Motor RAVI KRISHNA SUNKARA 1, KRISHNA KUMBA 2 1,2 Dept

More information

Modeling and Simulation of Five Phase Inverter Fed Im Drive and Three Phase Inverter Fed Im Drive

Modeling and Simulation of Five Phase Inverter Fed Im Drive and Three Phase Inverter Fed Im Drive RESEARCH ARTICLE OPEN ACCESS Modeling and Simulation of Five Phase Inverter Fed Im Drive and Three Phase Inverter Fed Im Drive 1 Rahul B. Shende, 2 Prof. Dinesh D. Dhawale, 3 Prof. Kishor B. Porate 123

More information

Control Scheme for Grid Connected WECS Using SEIG

Control Scheme for Grid Connected WECS Using SEIG Control Scheme for Grid Connected WECS Using SEIG B. Anjinamma, M. Ramasekhar Reddy, M. Vijaya Kumar, Abstract: Now-a-days wind energy is one of the pivotal options for electricity generation among all

More information

Using energy storage for modeling a stand-alone wind turbine system

Using energy storage for modeling a stand-alone wind turbine system INTERNATIONAL JOURNAL OF ENERGY and ENVIRONMENT Volume, 27 Using energy storage for modeling a stand-alone wind turbine system Cornel Bit Abstract This paper presents the modeling in Matlab-Simulink of

More information

Asian Journal on Energy and Environment ISSN Available online at

Asian Journal on Energy and Environment ISSN Available online at As. J. Energy Env. 2005, 6(02), 125-132 Asian Journal on Energy and Environment ISSN 1513-4121 Available online at www.asian-energy-journal.info Dynamic Behaviour of a Doubly Fed Induction Machine with

More information

DHANALAKSHMI SRINIVASAN COLLEGE OF ENGINEERING AND TECHNOLOGY MAMALLAPURAM, CHENNAI

DHANALAKSHMI SRINIVASAN COLLEGE OF ENGINEERING AND TECHNOLOGY MAMALLAPURAM, CHENNAI DHANALAKSHMI SRINIVASAN COLLEGE OF ENGINEERING AND TECHNOLOGY MAMALLAPURAM, CHENNAI -603104 DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING QUESTION BANK VII SEMESTER EE6501-Power system Analysis

More information

Studies regarding the modeling of a wind turbine with energy storage

Studies regarding the modeling of a wind turbine with energy storage Studies regarding the modeling of a wind turbine with energy storage GIRDU CONSTANTIN CRISTINEL School Inspectorate of County Gorj, Tg.Jiu, Meteor Street, nr. ROMANIA girdu23@yahoo.com Abstract: This paper

More information

QUESTION BANK SPECIAL ELECTRICAL MACHINES

QUESTION BANK SPECIAL ELECTRICAL MACHINES SEVENTH SEMESTER EEE QUESTION BANK SPECIAL ELECTRICAL MACHINES TWO MARK QUESTIONS 1. What is a synchronous reluctance 2. What are the types of rotor in synchronous reluctance 3. Mention some applications

More information

International Journal of Advance Research in Engineering, Science & Technology. Comparative Analysis of DTC & FOC of Induction Motor

International Journal of Advance Research in Engineering, Science & Technology. Comparative Analysis of DTC & FOC of Induction Motor Impact Factor (SJIF): 3.632 International Journal of Advance Research in Engineering, Science & Technology e-issn: 2393-9877, p-issn: 2394-2444 Volume 3, Issue 4, April -2016 Comparative Analysis of DTC

More information

PERFORMANCE AND ENHANCEMENT OF Z-SOURCE INVERTER FED BLDC MOTOR USING SLIDING MODE OBSERVER

PERFORMANCE AND ENHANCEMENT OF Z-SOURCE INVERTER FED BLDC MOTOR USING SLIDING MODE OBSERVER PERFORMANCE AND ENHANCEMENT OF Z-SOURCE INVERTER FED BLDC MOTOR USING SLIDING MODE OBSERVER K.Kalpanadevi 1, Mrs.S.Sivaranjani 2, 1 M.E. Power Systems Engineering, V.S.B.Engineering College, Karur, Tamilnadu,

More information

APPLICATION OF VARIABLE FREQUENCY TRANSFORMER (VFT) FOR INTEGRATION OF WIND ENERGY SYSTEM

APPLICATION OF VARIABLE FREQUENCY TRANSFORMER (VFT) FOR INTEGRATION OF WIND ENERGY SYSTEM APPLICATION OF VARIABLE FREQUENCY TRANSFORMER (VFT) FOR INTEGRATION OF WIND ENERGY SYSTEM A THESIS Submitted in partial fulfilment of the requirements for the award of the degree of DOCTOR OF PHILOSOPHY

More information

Sliding Mode Control of a Variable Speed Wind Energy Conversion System based on DFIG

Sliding Mode Control of a Variable Speed Wind Energy Conversion System based on DFIG Sliding Mode Control of a Variable Speed Wind Energy Conversion System based on DFIG Nihel Khemiri 1, Adel Khedher 2,4, Mohamed Faouzi Mimouni,1 1 Research unit ESIER, Monastir, Tunisia. khemirin@yahoo.fr

More information

INDUCTION motors are widely used in various industries

INDUCTION motors are widely used in various industries IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, VOL. 44, NO. 6, DECEMBER 1997 809 Minimum-Time Minimum-Loss Speed Control of Induction Motors Under Field-Oriented Control Jae Ho Chang and Byung Kook Kim,

More information

Advance Electronic Load Controller for Micro Hydro Power Plant

Advance Electronic Load Controller for Micro Hydro Power Plant Journal of Energy and Power Engineering 8 (2014) 1802-1810 D DAVID PUBLISHING Advance Electronic Load Controller for Micro Hydro Power Plant Dipesh Shrestha, Ankit Babu Rajbanshi, Kushal Shrestha and Indraman

More information

Dynamic Behaviour of Asynchronous Generator In Stand-Alone Mode Under Load Perturbation Using MATLAB/SIMULINK

Dynamic Behaviour of Asynchronous Generator In Stand-Alone Mode Under Load Perturbation Using MATLAB/SIMULINK International Journal Of Engineering Research And Development e-issn: 2278-067X, p-issn: 2278-800X, www.ijerd.com Volume 14, Issue 1 (January 2018), PP.59-63 Dynamic Behaviour of Asynchronous Generator

More information

International Journal of Advance Research in Engineering, Science & Technology

International Journal of Advance Research in Engineering, Science & Technology Impact Factor (SJIF): 3.632 International Journal of Advance Research in Engineering, Science & Technology e-issn: 2393-9877, p-issn: 2394-2444 (Special Issue for ITECE 2016) Field Oriented Control And

More information

Control of PMS Machine in Small Electric Karting to Improve the output Power Didi Istardi 1,a, Prasaja Wikanta 2,b

Control of PMS Machine in Small Electric Karting to Improve the output Power Didi Istardi 1,a, Prasaja Wikanta 2,b Control of PMS Machine in Small Electric Karting to Improve the output Power Didi Istardi 1,a, Prasaja Wikanta 2,b 1 Politeknik Negeri Batam, parkway st., Batam Center, Batam, Indonesia 2 Politeknik Negeri

More information

Simulation Modeling and Control of Hybrid Ac/Dc Microgrid

Simulation Modeling and Control of Hybrid Ac/Dc Microgrid Research Inventy: International Journal of Engineering And Science Vol.6, Issue 1 (January 2016), PP -17-24 Issn (e): 2278-4721, Issn (p):2319-6483, www.researchinventy.com Simulation Modeling and Control

More information

CHAPTER THREE DC MOTOR OVERVIEW AND MATHEMATICAL MODEL

CHAPTER THREE DC MOTOR OVERVIEW AND MATHEMATICAL MODEL CHAPTER THREE DC MOTOR OVERVIEW AND MATHEMATICAL MODEL 3.1 Introduction Almost every mechanical movement that we see around us is accomplished by an electric motor. Electric machines are a means of converting

More information

Comparative Analysis of Integrating WECS with PMSG and DFIG Models connected to Power Grid Pertaining to Different Faults

Comparative Analysis of Integrating WECS with PMSG and DFIG Models connected to Power Grid Pertaining to Different Faults IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE) e-issn: 2278-1676,p-ISSN: 2320-3331, Volume 12, Issue 3 Ver. II (May June 2017), PP 124-129 www.iosrjournals.org Comparative Analysis

More information

ECE1750, Spring Motor Drives and Other

ECE1750, Spring Motor Drives and Other ECE1750, Spring 2018 Motor Drives and Other Applications 1 Three-Phase Induction Motors Reliable Rugged Long lived Low maintenance Efficient (Source: EPRI Adjustable Speed Drives Application Guide) The

More information

ENERGY STORAGE FOR A STAND-ALONE WIND ENERGY CONVERSION SYSTEM

ENERGY STORAGE FOR A STAND-ALONE WIND ENERGY CONVERSION SYSTEM ENERGY STORAGE FOR A STANDALONE WIND ENERGY CONVERSION SYSTEM LUMINIŢA BAROTE, CORNELIU MARINESCU, IOAN ŞERBAN Key words: Wind turbine, Permanent magnet synchronous generator, Variable speed, Standalone

More information

COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING QUESTION BANK SUBJECT CODE & NAME : EE 1001 SPECIAL ELECTRICAL MACHINES

COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING QUESTION BANK SUBJECT CODE & NAME : EE 1001 SPECIAL ELECTRICAL MACHINES KINGS COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING QUESTION BANK SUBJECT CODE & NAME : EE 1001 SPECIAL ELECTRICAL MACHINES YEAR / SEM : IV / VII UNIT I SYNCHRONOUS RELUCTANCE

More information

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering. (An ISO 3297: 2007 Certified Organization)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering. (An ISO 3297: 2007 Certified Organization) Modeling and Control of Quasi Z-Source Inverter for Advanced Power Conditioning Of Renewable Energy Systems C.Dinakaran 1, Abhimanyu Bhimarjun Panthee 2, Prof.K.Eswaramma 3 PG Scholar (PE&ED), Department

More information

Dynamic Response Analysis of Small Wind Energy Conversion Systems (WECS) Operating With Torque Control versus Speed Control

Dynamic Response Analysis of Small Wind Energy Conversion Systems (WECS) Operating With Torque Control versus Speed Control European Association for the Development of Renewable Energies, Environment and Power Quality International Conference on Renewable Energies and Power Quality (ICREPQ 9) Valencia (Spain), th to 17th April,

More information

Modeling and Simulation of BLDC Motor using MATLAB/SIMULINK Environment

Modeling and Simulation of BLDC Motor using MATLAB/SIMULINK Environment Modeling and Simulation of BLDC Motor using MATLAB/SIMULINK Environment SudhanshuMitra 1, R.SaidaNayak 2, Ravi Prakash 3 1 Electrical Engineering Department, Manit Bhopal, India 2 Electrical Engineering

More information

Available online at ScienceDirect. Energy Procedia 42 (2013 ) Mediterranean Green Energy Forum MGEF-13

Available online at   ScienceDirect. Energy Procedia 42 (2013 ) Mediterranean Green Energy Forum MGEF-13 Available online at www.sciencedirect.com ScienceDirect Energy Procedia 42 (213 ) 143 152 Mediterranean Green Energy Forum MGEF-13 Performance of wind energy conversion systems using a cycloconverter to

More information

One-Cycle Average Torque Control of Brushless DC Machine Drive Systems

One-Cycle Average Torque Control of Brushless DC Machine Drive Systems One-Cycle Average Torque Control of Brushless DC Machine Drive Systems Najma P.I. 1, Sakkeer Hussain C.K. 2 P.G. Student, Department of Electrical and Electronics Engineering, MEA Engineering College,

More information

Hybrid Energy Powered Water Pumping System

Hybrid Energy Powered Water Pumping System IOSR Journal of Engineering (IOSRJEN) ISSN (e): 2250-3021, ISSN (p): 2278-8719 Vol. 08, Issue 2 (February. 2018), V1 PP 50-57 www.iosrjen.org Hybrid Energy Powered Water Pumping System Naveen Chandra T

More information

Modeling and Simulation of A Bldc Motor By Using Matlab/Simulation Tool

Modeling and Simulation of A Bldc Motor By Using Matlab/Simulation Tool Modeling and Simulation of A Bldc Motor By Using Matlab/Simulation Tool Miss Avanti B.Tayade (Department of Electrical Engineering,,S.D.College of Engineering & Technology.,Wardha) ABSTRACT: The objective

More information

Performance Analysis of Grid Connected Wind Energy Conversion System with a PMSG during Fault Conditions

Performance Analysis of Grid Connected Wind Energy Conversion System with a PMSG during Fault Conditions International Journal of Engineering and Advanced Technology (IJEAT) ISSN: 2249 8958, Volume-2, Issue-4, April 2013 Performance Analysis of Grid Connected Wind Energy Conversion System with a PMSG during

More information

SPEED AND TORQUE CONTROL OF AN INDUCTION MOTOR WITH ANN BASED DTC

SPEED AND TORQUE CONTROL OF AN INDUCTION MOTOR WITH ANN BASED DTC SPEED AND TORQUE CONTROL OF AN INDUCTION MOTOR WITH ANN BASED DTC Fatih Korkmaz Department of Electric-Electronic Engineering, Çankırı Karatekin University, Uluyazı Kampüsü, Çankırı, Turkey ABSTRACT Due

More information

Simulation of Indirect Field Oriented Control of Induction Machine in Hybrid Electrical Vehicle with MATLAB Simulink

Simulation of Indirect Field Oriented Control of Induction Machine in Hybrid Electrical Vehicle with MATLAB Simulink Simulation of Indirect Field Oriented Control of Induction Machine in Hybrid Electrical Vehicle with MATLAB Simulink Kohan Sal Lotf Abad S., Hew W. P. Department of Electrical Engineering, Faculty of Engineering,

More information

Wind Energy Conversion System using Back to Back Power Electronic Interface with DFIG

Wind Energy Conversion System using Back to Back Power Electronic Interface with DFIG Wind Energy Conversion System using Back to Back Power Electronic nterface with DFG B.D. GDWAN Department of Mechanical Engineering Engineering College Ajmer Ajmer, Rajasthan NDA gd97@rediffmail.com Abstract:

More information

Comparative Study of Maximum Torque Control by PI ANN of Induction Motor

Comparative Study of Maximum Torque Control by PI ANN of Induction Motor Comparative Study of Maximum Torque Control by PI ANN of Induction Motor Dr. G.Madhusudhana Rao 1 and G.Srikanth 2 1 Professor of Electrical and Electronics Engineering, TKR College of Engineering and

More information

Simple Direct Sensorless Control of Permanent Magnet Synchronous Generator Wind Turbine

Simple Direct Sensorless Control of Permanent Magnet Synchronous Generator Wind Turbine Proceedings of the 14 th International Middle East Power Systems Conference (MEPCON 10), Cairo University, Egypt, December 19-21, 2010, Paper ID 257. Simple Direct Sensorless Control of Permanent Magnet

More information

EE 742 Chap. 7: Wind Power Generation. Y. Baghzouz

EE 742 Chap. 7: Wind Power Generation. Y. Baghzouz EE 742 Chap. 7: Wind Power Generation Y. Baghzouz Wind Energy 101: See Video Link Below http://energy.gov/eere/videos/energy-101- wind-turbines-2014-update Wind Power Inland and Offshore Growth in Wind

More information

Synchronous Motor Drives

Synchronous Motor Drives UNIT V SYNCHRONOUS MOTOR DRIVES 5.1 Introduction Synchronous motor is an AC motor which rotates at synchronous speed at all loads. Construction of the stator of synchronous motor is similar to the stator

More information

ISSN: X Tikrit Journal of Engineering Sciences available online at:

ISSN: X Tikrit Journal of Engineering Sciences available online at: Taha Hussain/Tikrit Journal of Engineering Sciences 22(1) (2015)45-51 45 ISSN: 1813-162X Tikrit Journal of Engineering Sciences available online at: http://www.tj-es.com Analysis of Brushless DC Motor

More information

A New Control Algorithm for Doubly Fed Induction Motor with Inverters Supplied by a PV and Battery Operating in Constant Torque Region

A New Control Algorithm for Doubly Fed Induction Motor with Inverters Supplied by a PV and Battery Operating in Constant Torque Region IJSTE - International Journal of Science Technology & Engineering Volume 3 Issue 09 March 2017 ISSN (online): 2349-784X A New Control Algorithm for Doubly Fed Induction Motor with Inverters Supplied by

More information

EE 742 Chap. 7: Wind Power Generation. Y. Baghzouz Fall 2011

EE 742 Chap. 7: Wind Power Generation. Y. Baghzouz Fall 2011 EE 742 Chap. 7: Wind Power Generation Y. Baghzouz Fall 2011 Overview Environmental pressures have led many countries to set ambitious goals of renewable energy generation. Wind energy is the dominant renewable

More information

Modelling and Simulation of DFIG based wind energy system

Modelling and Simulation of DFIG based wind energy system International Journal of Engineering Research and Development e-issn: 2278-067X, p-issn: 2278-800X, www.ijerd.com Volume 11, Issue 10 (October 2015), PP.69-75 Modelling and Simulation of DFIG based wind

More information

DYNAMIC BRAKES FOR DC MOTOR FED ELECTRIC VEHICLES

DYNAMIC BRAKES FOR DC MOTOR FED ELECTRIC VEHICLES DYNAMIC BRAKES FOR DC MOTOR FED ELECTRIC VEHICLES Nair Rajiv Somrajan 1 and Sreekanth P.K 2 1 PG Scholar Department of Electrical Engineering, Sree Buddha College of Engineering, Pattoor, Alappuzh 2 Assistance

More information

International Journal of Scientific & Engineering Research, Volume 7, Issue 6, June ISSN

International Journal of Scientific & Engineering Research, Volume 7, Issue 6, June ISSN International Journal of Scientific & Engineering Research, Volume 7, Issue 6, June-2016 971 Speed control of Single-Phase induction motor Using Field Oriented Control Eng. Mohammad Zakaria Mohammad, A.Prof.Dr.

More information

PLUGGING BRAKING FOR ELECTRIC VEHICLES POWERED BY DC MOTOR

PLUGGING BRAKING FOR ELECTRIC VEHICLES POWERED BY DC MOTOR PLUGGING BRAKING FOR ELECTRIC VEHICLES POWERED BY DC MOTOR Nair Rajiv Somrajan 1 and Sreekanth P.K. 2 1 PG Scholar Department of Electrical Engineering, Sree Buddha College of Engineering, Pattoor, Alappuzha

More information

General Purpose Permanent Magnet Motor Drive without Speed and Position Sensor

General Purpose Permanent Magnet Motor Drive without Speed and Position Sensor General Purpose Permanent Magnet Motor Drive without Speed and Position Sensor Jun Kang, PhD Yaskawa Electric America, Inc. 1. Power consumption by electric motors Fig.1 Yaskawa V1000 Drive and a PM motor

More information

Effect of Permanent Magnet Rotor Design on PMSM Properties

Effect of Permanent Magnet Rotor Design on PMSM Properties Transactions on Electrical Engineering, Vol. 1 (2012), No. 3 98 Effect of Permanent Magnet Rotor Design on PMSM Properties SEKERÁK Peter, HRABOVCOVÁ Valéria, RAFAJDUS Pavol, KALAMEN Lukáš, ONUFER Matúš

More information

CONTROL AND PERFORMANCE OF A DOUBLY-FED INDUCTION MACHINE FOR WIND TURBINE SYSTEMS

CONTROL AND PERFORMANCE OF A DOUBLY-FED INDUCTION MACHINE FOR WIND TURBINE SYSTEMS CONTROL AND PERFORMANCE OF A DOUBLY-FED INDUCTION MACHINE FOR WIND TURBINE SYSTEMS Lucian Mihet-Popa "POLITEHNICA" University of Timisoara Blvd. V. Parvan nr.2, RO-300223Timisoara mihetz@yahoo.com Abstract.

More information

Battery Charger for Wind and Solar Energy Conversion System Using Buck Converter

Battery Charger for Wind and Solar Energy Conversion System Using Buck Converter Battery Charger for Wind and Solar Energy Conversion System Using Buck Converter P.Venkatesan 1, S.Senthilkumar 2 1 Electrical and Electronics Engineering, Ganesh College of Engineering, Salem, Tamilnadu,

More information

COMPARISON OF PID AND FUZZY CONTROLLED DUAL INVERTER-BASED SUPER CAPACITOR FOR WIND ENERGY CONVERSION SYSTEMS

COMPARISON OF PID AND FUZZY CONTROLLED DUAL INVERTER-BASED SUPER CAPACITOR FOR WIND ENERGY CONVERSION SYSTEMS COMPARISON OF PID AND FUZZY CONTROLLED DUAL INVERTER-BASED SUPER CAPACITOR FOR WIND ENERGY CONVERSION SYSTEMS R. Vinu Priya 1, M. Ramasekharreddy 2, M. Vijayakumar 3 1 PG student, Dept. of EEE, JNTUA College

More information

Anupam *1, Prof. S.U Kulkarni 2 1 ABSTRACT I. INTRODUCTION II. MODELLING OF WIND SPEED

Anupam *1, Prof. S.U Kulkarni 2 1 ABSTRACT I. INTRODUCTION II. MODELLING OF WIND SPEED 2017 IJSRSET Volume 3 Issue 3 Print ISSN: 2395-1990 Online ISSN : 2394-4099 Themed Section: Engineering and Technology PMSG Based Wind Farm Analysis in ETAP Software Anupam *1, Prof. S.U Kulkarni 2 1 Department

More information

G Prasad 1, Venkateswara Reddy M 2, Dr. P V N Prasad 3, Dr. G Tulasi Ram Das 4

G Prasad 1, Venkateswara Reddy M 2, Dr. P V N Prasad 3, Dr. G Tulasi Ram Das 4 Speed control of Brushless DC motor with DSP controller using Matlab G Prasad 1, Venkateswara Reddy M 2, Dr. P V N Prasad 3, Dr. G Tulasi Ram Das 4 1 Department of Electrical and Electronics Engineering,

More information

Wind Turbine Emulation Experiment

Wind Turbine Emulation Experiment Wind Turbine Emulation Experiment Aim: Study of static and dynamic characteristics of wind turbine (WT) by emulating the wind turbine behavior by means of a separately-excited DC motor using LabVIEW and

More information

Low Speed Control Enhancement for 3-phase AC Induction Machine by Using Voltage/ Frequency Technique

Low Speed Control Enhancement for 3-phase AC Induction Machine by Using Voltage/ Frequency Technique Australian Journal of Basic and Applied Sciences, 7(7): 370-375, 2013 ISSN 1991-8178 Low Speed Control Enhancement for 3-phase AC Induction Machine by Using Voltage/ Frequency Technique 1 Mhmed M. Algrnaodi,

More information

Mathematical Modeling and Simulation of Switched Reluctance Motor

Mathematical Modeling and Simulation of Switched Reluctance Motor Mathematical Modeling and Simulation of Switched Reluctance Motor Vikramarajan Jambulingam Electrical and Electronics Engineering, VIT University, India. Abstract: The SRM motors are simple in construction

More information

ANALYSIS OF WIND AND PV SYSTEMS 4.1 Wind Energy Conversion Systems (WECS)

ANALYSIS OF WIND AND PV SYSTEMS 4.1 Wind Energy Conversion Systems (WECS) ANALYSIS OF WIND AND PV SYSTEMS 4.1 Wind Energy Conversion Systems (WECS) A wind energy conversion system (WECS) is composed of blades, an electric generator, a power electronic converter, and a control

More information

Modeling and Control of Direct Drive Variable Speed Stand-Alone Wind Energy Conversion Systems

Modeling and Control of Direct Drive Variable Speed Stand-Alone Wind Energy Conversion Systems Proceedings of the 14th International Middle East Power Systems Conference (MEPCON 10), Cairo University, Egypt, December 19-21, 2010, Paper ID 276. Modeling and Control of Direct Drive Variable Speed

More information

Statcom Operation for Wind Power Generator with Improved Transient Stability

Statcom Operation for Wind Power Generator with Improved Transient Stability Advance in Electronic and Electric Engineering. ISSN 2231-1297, Volume 4, Number 3 (2014), pp. 259-264 Research India Publications http://www.ripublication.com/aeee.htm Statcom Operation for Wind Power

More information

Question Bank ( ODD)

Question Bank ( ODD) Programme : B.E Question Bank (2016-2017ODD) Subject Semester / Branch : EE 6703 SPECIAL ELECTRICAL MACHINES : VII-EEE UNIT - 1 PART A 1. List the applications of synchronous reluctance motors. 2. Draw

More information

COMPARISON BETWEEN ISOLATED AND GRID CONNECTED DFIG WIND TURBINE

COMPARISON BETWEEN ISOLATED AND GRID CONNECTED DFIG WIND TURBINE COMPARISON BETWEEN ISOLATED AND GRID CONNECTED DFIG WIND TURBINE Richa jain 1, Tripti shahi 2, K.P.Singh 3 Department of Electrical Engineering, M.M.M. University of Technology, Gorakhpur, India 1 Department

More information

A Dual Stator Winding-Mixed Pole Brushless Synchronous Generator (Design, Performance Analysis & Modeling)

A Dual Stator Winding-Mixed Pole Brushless Synchronous Generator (Design, Performance Analysis & Modeling) A Dual Stator Winding-Mixed Pole Brushless Synchronous Generator (Design, Performance Analysis & Modeling) M EL_SHANAWANY, SMR TAHOUN& M EZZAT Department (Electrical Engineering Department) University

More information

Power Electronics & Drives [Simulink, Hardware-Open & Closed Loop]

Power Electronics & Drives [Simulink, Hardware-Open & Closed Loop] Power Electronics & [Simulink, Hardware-Open & Closed Loop] Project code Project theme Application ISTPOW801 Estimation of Stator Resistance in Direct Torque Control Synchronous Motor ISTPOW802 Open-Loop

More information

DUAL BRIDGE RECTIFIER FOR PMSG VARIABLE SPEED WIND ENERGY CONVERSION SYSTEMS

DUAL BRIDGE RECTIFIER FOR PMSG VARIABLE SPEED WIND ENERGY CONVERSION SYSTEMS DUAL BRIDGE RECTIFIER FOR PMSG VARIABLE SPEED WIND ENERGY CONVERSION SYSTEMS Ch. Neelima, Dr. P. Mallikarjuna Rao 1PG scholar, Dept of Electrical Engineering, A.U. College of Engineering (A), Andhra Pradesh,

More information

SPEED CONTROL OF THREE PHASE INDUCTION MACHINE USING MATLAB Maheshwari Prasad 1, Himmat singh 2, Hariom Sharma 3 1

SPEED CONTROL OF THREE PHASE INDUCTION MACHINE USING MATLAB Maheshwari Prasad 1, Himmat singh 2, Hariom Sharma 3 1 SPEED CONTROL OF THREE PHASE INDUCTION MACHINE USING MATLAB Maheshwari Prasad 1, Himmat singh 2, Hariom Sharma 3 1 Phd Scholar, Mahatma Gandhi Chitrakot University, Gwalior (M.P) 2,3 MITS, Gwalior, (M.P)

More information

Introduction. Introduction. Switched Reluctance Motors. Introduction

Introduction. Introduction. Switched Reluctance Motors. Introduction UNIVERSITY OF TECHNOLOGY, SYDNEY FACULTY OF ENGINEERING 48550 Electrical Energy Technology Switched Reluctance Motors Topics to cover: 1. Introduction 2. Structures & Torque Production 3. Drive Circuits

More information

Permanent Magnet Machines for Distributed Generation: A Review

Permanent Magnet Machines for Distributed Generation: A Review Permanent Magnet Machines for Distributed Generation: A Review Paper Number: 07GM0593 Authors: Tze-Fun Chan, EE Department, The Hong Kong Polytechnic University, Hong Kong, China Loi Lei Lai, School of

More information

Page 1. Design meeting 18/03/2008. By Mohamed KOUJILI

Page 1. Design meeting 18/03/2008. By Mohamed KOUJILI Page 1 Design meeting 18/03/2008 By Mohamed KOUJILI I. INTRODUCTION II. III. IV. CONSTRUCTION AND OPERATING PRINCIPLE 1. Stator 2. Rotor 3. Hall sensor 4. Theory of operation TORQUE/SPEED CHARACTERISTICS

More information

Open Loop Control of Switched Reluctance Motor Using Theta Position Sensing

Open Loop Control of Switched Reluctance Motor Using Theta Position Sensing Open Loop Control of Switched Reluctance Motor Using Theta Position Sensing Stella Kurian PG Scholar, EEE Dept. Mar Baselios College of Engineering and Technology Trivandrum, Kerala, INDIA, stellakurian31@gmail.com

More information

Simulation and Analysis of a DFIG Wind Energy Conversion System with Genetic Fuzzy Controller

Simulation and Analysis of a DFIG Wind Energy Conversion System with Genetic Fuzzy Controller International Journal of Soft Computing and Engineering (IJSCE) Simulation and Analysis of a DFIG Wind Energy Conversion System with Genetic Fuzzy Controller B. Babypriya, N. Devarajan Abstract The behavior

More information

Workshop on Grid Integration of Variable Renewable Energy: Part 1

Workshop on Grid Integration of Variable Renewable Energy: Part 1 Workshop on Grid Integration of Variable Renewable Energy: Part 1 System Impact Studies March 13, 2018 Agenda Introduction Methodology Introduction to Generators 2 Introduction All new generators have

More information

High starting performance synchronous motor

High starting performance synchronous motor High starting performance synchronous motor Mona F. Moussa Mona.moussa@aast.edu Yasser G. Dessouky Ygd@aast.edu Department of Electrical and Control Engineering Arab Academy for Science and Technology

More information

Co-Ordination Control and Analysis of Wind/Fuel Cell based Hybrid Micro-Grid using MATLAB/Simulink in Grid Connected Mode

Co-Ordination Control and Analysis of Wind/Fuel Cell based Hybrid Micro-Grid using MATLAB/Simulink in Grid Connected Mode IJIRST International Journal for Innovative Research in Science & Technology Volume 1 Issue 12 May 2015 ISSN (online): 2349-6010 Co-Ordination Control and Analysis of Wind/Fuel Cell based Hybrid Micro-Grid

More information

VECTOR CONTROL AND DIRECT POWER CONTROL METHODS OF DFIG UNDER DISTORTED GRID VOLTAGE CONDITIONS

VECTOR CONTROL AND DIRECT POWER CONTROL METHODS OF DFIG UNDER DISTORTED GRID VOLTAGE CONDITIONS VECTOR CONTROL AND DIRECT POWER CONTROL METHODS OF DFIG UNDER DISTORTED GRID VOLTAGE CONDITIONS Dhayalan A #1 and Mrs. Muthuselvi M *2 # PG Scholar, EEE, Velammal Engineering college, chennai,india * Assistant

More information

Design and Control of Lab-Scale Variable Speed Wind Turbine Simulator using DFIG. Seung-Ho Song, Ji-Hoon Im, Hyeong-Jin Choi, Tae-Hyeong Kim

Design and Control of Lab-Scale Variable Speed Wind Turbine Simulator using DFIG. Seung-Ho Song, Ji-Hoon Im, Hyeong-Jin Choi, Tae-Hyeong Kim Design and Control of Lab-Scale Variable Speed Wind Turbine Simulator using DFIG Seung-Ho Song, Ji-Hoon Im, Hyeong-Jin Choi, Tae-Hyeong Kim Dept. of Electrical Engineering Kwangwoon University, Korea Summary

More information

CHAPTER 3 BRUSHLESS DC MOTOR

CHAPTER 3 BRUSHLESS DC MOTOR 53 CHAPTER 3 BRUSHLESS DC MOTOR 3.1 INTRODUCTION The application of motors has spread to all kinds of fields. In order to adopt different applications, various types of motors such as DC motors, induction

More information

Development of Novel Connection Control Method for Small Scale Solar - Wind Hybrid Power Plant

Development of Novel Connection Control Method for Small Scale Solar - Wind Hybrid Power Plant Development of Novel Connection Control Method for Small Scale Solar - Wind Hybrid Power Plant Vu Minh Phap*, N. Yamamura, M. Ishida, J. Hirai, K. Nakatani Department of Electrical and Electronic Engineering,

More information

A Variable Speed Wind Generation System Based on Doubly Fed Induction Generator

A Variable Speed Wind Generation System Based on Doubly Fed Induction Generator Buletin Teknik Elektro dan Informatika (Bulletin of Electrical Engineering and Informatics) Vol. 2, No. 4, December 2013, pp. 272~277 ISSN: 2089-3191 272 A Variable Speed Wind Generation System Based on

More information

The Modeling and Simulation of Wind Energy Based Power System using MATLAB

The Modeling and Simulation of Wind Energy Based Power System using MATLAB The Modeling and Simulation of Wind Energy Based Power System using MATLAB Suman Nath, Somnath Rana Department of Electrical Engineering, Bengal Engineering & Science University, Shibpur E-mail : suman.therebel@gmail.com,

More information

Neural network based control of Doubly Fed Induction Generator in wind power generation.

Neural network based control of Doubly Fed Induction Generator in wind power generation. International Journal of Advancements in Research & Technology, Volume 1, Issue2, July-2012 1 Neural network based control of Doubly Fed Induction Generator in wind power generation. Swati A. Barbade 1,

More information

Whitepaper Dunkermotoren GmbH

Whitepaper Dunkermotoren GmbH Whitepaper Dunkermotoren GmbH BG MOTORS WITH FIELD-ORIENTED CONTROL DR. BRUNO BASLER HEAD OF R&D PREDEVELOPMENT I DUNKERMOTOREN GMBH Dunkermotoren GmbH I Allmendstr. 11 I D-79848 Bonndorf I www.dunkermotoren.de

More information

A Novel GUI Modeled Fuzzy Logic Controller for a Solar Powered Energy Utilization Scheme

A Novel GUI Modeled Fuzzy Logic Controller for a Solar Powered Energy Utilization Scheme 1 A Novel GUI Modeled Fuzzy Logic Controller for a Solar Powered Energy Utilization Scheme I. H. Altas 1, * and A.M. Sharaf 2 ihaltas@altas.org and sharaf@unb.ca 1 : Dept. of Electrical and Electronics

More information

Converteam: St. Mouty, A. Mirzaïan FEMTO-ST: A. Berthon, D. Depernet, Ch. Espanet, F. Gustin

Converteam: St. Mouty, A. Mirzaïan FEMTO-ST: A. Berthon, D. Depernet, Ch. Espanet, F. Gustin Permanent Magnet Design Solutions for Wind Turbine applications Converteam: St. Mouty, A. Mirzaïan FEMTO-ST: A. Berthon, D. Depernet, Ch. Espanet, F. Gustin Outlines 1. Description of high power electrical

More information

Design and Control of Hybrid Power System for Stand-Alone Applications

Design and Control of Hybrid Power System for Stand-Alone Applications Design and Control of Hybrid Power System for Stand-Alone Applications 1 Chanumalla Laxmi, 2 Manidhar Thula Abstract: This work presents design and controlling of photovoltaic fuel cell and super capacitor

More information

CHAPTER 5 ACTIVE AND REACTIVE POWER CONTROL OF DOUBLY FED INDUCTION GENERATOR WITH BACK TO BACK CONVERTER USING DIRECT POWER CONTROL

CHAPTER 5 ACTIVE AND REACTIVE POWER CONTROL OF DOUBLY FED INDUCTION GENERATOR WITH BACK TO BACK CONVERTER USING DIRECT POWER CONTROL 123 CHAPTER 5 ACTIVE AND REACTIVE POWER CONTROL OF DOUBLY FED INDUCTION GENERATOR WITH BACK TO BACK CONVERTER USING DIRECT POWER CONTROL 5.1 INTRODUCTION Wind energy generation has attracted much interest

More information

Synchronous Generators I. EE 340 Spring 2011

Synchronous Generators I. EE 340 Spring 2011 Synchronous Generators I EE 340 Spring 2011 Construction of synchronous machines In a synchronous generator, a DC current is applied to the rotor winding producing a rotor magnetic field. The rotor is

More information

Transient analysis of a new outer-rotor permanent-magnet brushless DC drive using circuit-field-torque coupled timestepping finite-element method

Transient analysis of a new outer-rotor permanent-magnet brushless DC drive using circuit-field-torque coupled timestepping finite-element method Title Transient analysis of a new outer-rotor permanent-magnet brushless DC drive using circuit-field-torque coupled timestepping finite-element method Author(s) Wang, Y; Chau, KT; Chan, CC; Jiang, JZ

More information

Characteristics Analysis of Novel Outer Rotor Fan-type PMSM for Increasing Power Density

Characteristics Analysis of Novel Outer Rotor Fan-type PMSM for Increasing Power Density Journal of Magnetics 23(2), 247-252 (2018) ISSN (Print) 1226-1750 ISSN (Online) 2233-6656 https://doi.org/10.4283/jmag.2018.23.2.247 Characteristics Analysis of Novel Outer Rotor Fan-type PMSM for Increasing

More information

Synchronous Generators I. Spring 2013

Synchronous Generators I. Spring 2013 Synchronous Generators I Spring 2013 Construction of synchronous machines In a synchronous generator, a DC current is applied to the rotor winding producing a rotor magnetic field. The rotor is then turned

More information

DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING

DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING QUESTION BANK 16EET41 SYNCHRONOUS AND INDUCTION MACHINES UNIT I SYNCHRONOUS GENERATOR 1. Why the stator core is laminated? 2. Define voltage regulation

More information

Abstract- A system designed for use as an integrated starter- alternator unit in an automobile is presented in this paper. The

Abstract- A system designed for use as an integrated starter- alternator unit in an automobile is presented in this paper. The An Integrated Starter-Alternator System Using Induction Machine Winding Reconfiguration G. D. Martin, R. D. Moutoux, M. Myat, R. Tan, G. Sanders, F. Barnes University of Colorado at Boulder, Department

More information

EXPERIMENTAL VERIFICATION OF INDUCED VOLTAGE SELF- EXCITATION OF A SWITCHED RELUCTANCE GENERATOR

EXPERIMENTAL VERIFICATION OF INDUCED VOLTAGE SELF- EXCITATION OF A SWITCHED RELUCTANCE GENERATOR EXPERIMENTAL VERIFICATION OF INDUCED VOLTAGE SELF- EXCITATION OF A SWITCHED RELUCTANCE GENERATOR Velimir Nedic Thomas A. Lipo Wisconsin Power Electronic Research Center University of Wisconsin Madison

More information

Vector Control of wind conversion system based on a

Vector Control of wind conversion system based on a Vector Control of wind conversion system based on a kilo watt that is less elevated with respect to the second [1]. Among the most used and squirrel cage Induction available generator technologies (SCIG)

More information