TH TU PR Total TH TS PR OR TW Total (E) This subject is considered for the award of class.

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1 Programme Code: Electrical Engineering Course Code: EE Compulsory / Optional: Compulsory Teaching Scheme and Credits Course Title: Electrical Machines II Examination Scheme TH TU PR Total TH TS PR OR TW Total (E) Rationale: This subject is considered for the award of class. This subject is applied technology subject. It teaches students facts, concepts, principles & procedure for operations and testing of electrical machines such as induction motor, alternator and synchronous motor. Student will be able to analyze the characteristics and qualitative parameters of these machines. The knowledge and skills obtained will be helpful in discharging technical functions such as maintenance, supervision, and controlling in the industry. Objectives: Student will be able to - Know the constructional details & working principal of various types of ac machines. - Operate given machine properly. - Use the knowledge for testing of machine. - Select motors of proper rating for particular use. Section I Contents: Hours Marks 1 : Introduction to AC Rotating Machines: 1.1 Introduction to AC rotating machines General information of three phase machines. 1.3 Classification of single phase & three phase ac Machines. 1.4 Difference between AC and DC Machines. 2 : Three Phase Induction Motor: 2.1 Working principle of 3-phase I.M Construction and types of 3- phase induction motor. 2.3 Comparison between squirrel-cage and slip-ring induction motor. 2.4 Production of rotating magnetic field. 2.5 Three phase induction motor speed, slip, frequency, rotor frequency and their relations. (Simple Numerical) 2.6 Equation of rotor induced emf, current, frequency, reactance, and impedance under steady and running condition. (Simple Numerical) 2.7 Torque equation of three phase induction motor. (Simple Numerical) 2.8 Starting and running torque of squirrel cage and slip ring induction motor. 2.9 Condition for maximum and starting torque Torque slip characteristics of three phase induction motor Effect of change in rotor circuit resistance on torque-slip characteristics Effect of change in supply voltage on torque-slip characteristics Torque ratios Equivalent circuit of Three -phase IM. (Simple numerical) EE Electrical Machines - II 1

2 3 : Three Phase Induction Motor - Speed Control and Power Flow: 3.1 Measurement of slip by - Tachometer method - Comparing rotor frequency and stator frequency 3.2 Speed control of three phase induction motor by - Pole changing method - Frequency control method - By stator voltage control - Rotor resistance control (Simple Numerical ) 3.3 Applications of three phase induction motor. 3.4 Power stages of three phase induction motor. 3.5 I.M. as a generalized transformer. 3.6 Vector diagram of IM. (Simple numerical) Section II Contents: Hours Marks 4 : Three Phase Alternator: 4.1 Definition and construction of three phase Alternator Armature - Rotor- smooth cylindrical & projected type 4.2 Advantages of stationary armature construction 4.3 Derivation of e.m.f. equation of Alternator which includes - Chording factor - Distribution factor (Simple Numerical ) 4.4 Factors affecting the terminal voltage of Alternator - Armature resistive drop - Leakage reactance drop - Armature reaction at various power factors & concept of Synchronous impedance 4.5 Regulation of three phase Alternator by - Synchronous impedance method - mmf method (Simple Numerical) 4.6 Parallel operation of three phase alternator. - Synchronizing by 1) One dark two bright lamp method, 2) Synchroscope. 5 : Synchronous Motor: 5.1 Construction. 5.2 Characteristics of synchronous motor. 5.3 Principle of operation. 5.4 Starting of Synchronous Motor. 5.5 Synchronous Motor on load with constant excitation. (Simple Numerical ) 5.6 Effect of excitation at constant load. (Simple Numerical) 5.7 Starting Methods. Power flow within a synchronous motor. V curve & inverted V curve. (Simple Numerical ) 5.8 Applications. 5.9 Comparison between IM & Synchronous Motor EE Electrical Machines - II 2

3 6 : Single Phase Motors: 6.1 Double field revolving theory. 6.2 Types of Single phase IM. 6.3 Split phasing principle of starting. 6.4 Principle of working, schematic diagram and applications of following motors - Resistance start induction run - Capacitor start induction run - Capacitor start Capacitor run - Double value Capacitor - Shaded pole 8 10 List of Practical: 1. To measure the slip of 3-phase induction motor by i) Tachometer ii) Comparing rotor & stator frequency 2. To reverse the direction of rotation of 3-phase induction motor. 3. To measure the performance of 3-phase induction motor by direct loading. 4. To use different types of starters to start and run 3-phase induction motor. i) D.O.L. starter, ii)stator resistance starter iii)star-delta starter iv)auto transformer starter v)rotor resistance starter VI)soft starters 5. To study the Double cage IM. 6. To perform O.C.C. of the alternator. 7. To determine the percentage regulation of 3-phase alternator by synchronous impedance method at Various power factors. 8. To perform parallel operation of three phase alternator. 9. To find the percentage regulation of 3-phase alternator by direct loading method at various power factors. 10. To start the synchronous motor by applying any one starting method. Plot V & inverted V curve of the same. Survey Project: 1. To list the various types of 1-phase induction motor. Collect the literature for them from dealers / manufacturers of local places & compare on the following points i) Method of starting ii) Cost iii) Performance iv) Starting torque etc. and prepare a report. Reference Books: 1. Electrical Technology Volume-II by B. L. Theraja, Publisher: S. Chand and Co. Ltd., New Delhi. 2. Electrical Machines by S. K. Bhattacharya, Publisher: S. Chand and Co. Ltd., New Delhi. 3. Principles of Electrical Machine by V.K. Mehta, Rohit Mehta Publisher: S Chand and Co. Ltd, New Delhi. 4. Electrical Technology by J. B. Gupta, Publisher: S.K.Kataria and Sons, 5. Electrical Machines by P. S. Bhimbhra, Publisher: Khanna Publishers, New Delhi. 6. Web References. EE Electrical Machines - II 3

4 Programme Code: Electrical Engineering Course Code: EE Compulsory / Optional: Compulsory Teaching Scheme and Credits Course Title: Switchgear and Protection Examination Scheme TH TU PR Total TH TS PR OR TW Total (Ext) Rationale: This subject is considered for the award of class. In generation, transmission and utilization of electrical energy switchgear and protection plays an important role for delivering uninterrupted power supply to the consumers. It is also necessary at various levels to protect the system from damage. The electrical engineer must know switchgear and protection systems. It will help while working as a supervisor in substations, manufacturing industries & public service utilities. Objectives: The students will be able to - State the effects of abnormalities in the operation of power system - Understand the working principle and operation of protective relays and switchgear. - Identify the various components of switchgear and protection systems. - Know the specifications and select switchgear & protection system. - Identify the faults and repairs. Section I Contents: Hours Marks 01 Basic Concepts: 1.1 Necessity and functions of protective system. 1.2 Substation equipment, functions and layout. 1.3 Faults and abnormal conditions. 1.4 Types of faults and their causes. 1.5 Short circuit calculations- Symmetrical faults only (Numerical problems). 1.6 Use of current limiting reactors & their arrangements. 02 Circuit Interrupting Devices: 2.1 Fuses Terms and definitions, types, construction and Working characteristics, selection and applications(rewirable, D-type, Cartridge, HRC and Drop-out Fuses) 2.2 Isolators- vertical break, horizontal break &pantograph type. 2.3 Arc formation process, methods of arc extinction, related terms. 2.4 Circuit breakers- Concept, Classification, Working principle, Construction, Specification and Applications of Sulpher Hexa Fluoride circuit reaker (SF6), Vacuum circuit breaker. Air Break& Air blast circuit breakers (ACB), Miniature circuit breakers ( M C B ), Moulded case circuit breakers ( M C C B ), Earth leakage circuit breaker ( E L C B or R L C B), Comparison of fuse & MCCB EE Switchgear and Protection 1

5 2.5 Selection of MCCB for motor. 2.6 Selection and rating of fuses & circuit breakers. 03 Protective Relaying: 3.1 Functions, requirements and related terms. 3.2 Basic relay circuit. 3.3 Protective zones. 3.4 Primary and backup protection. 3.5 Desirable qualities of protective relaying. 3.6 Relay time and Fault clearing time. 3.7 Thermal Relay 3.8 Over current relay-time current characteristics. 3.9 Static over current relays Microprocessor based over current relays Distance relaying- Principle, static, µp based 3.12 Directional relay Differential Relay Impedance Relay Introduction of Numerical Relay. ( No Numericals) Section II Contents: Hours Marks 04 Neutral Earthing: 4.1 Introduction & importance. 4.2 Types of earthing Substation earthing 05 Protection of Alternator: 5.1 Abnormalities & Faults. 5.2 Differential protection (Simple Numerical Problems). 5.3 Over current, earth fault, inter turn fault, negative phase sequence, over heating protection. 5.4 Reverse power protection Protection of Transformer: 6.1 Abnormalities & faults. 6.2 Differential protection (Simple Numerical Problems). 6.3 Over current, earth fault, interturn, restricted earth fault, over heating protection. 6.4 Buchholtz relay. 07 Protection of Bus bar and Transmission line: 7.1 Abnormalities & faults. 7.2 Bus bar protection. 7.3 Transmission line, over current, distance protection. 7.4 Three Stepped distance protection. 7.5 Carrier Current protection Over Voltage Protection: 8.1 Causes of over voltages. 8.2 Lighting phenomenon & over voltage due to lightning EE Switchgear and Protection 2

6 8.3 Protection of transmission line & substation from direct stroke. 8.4 Types, Construction & principle of operation of lightning arresters & surge absorbers. 8.5 Protection against traveling waves. 8.6 Insulation co-ordination. List of Practical: 1. To identify the components of different types of circuit breakers with their specifications.(through visits, video or model ). I) Miniature circuit breaker ( M C B ) II)Moulded case circuit breaker ( M C C B ) III) Earth Leakage circuit breaker ( E L C B ) IV) Sulpher - Hexa fluoride circuit breaker ( S F 6 ) V) Vacuum circuit breaker. 2. To Plot the characteristics of rewirable fuse. 3. To plot performance characteristics of over current relay. 4. Simulation of alternator protection. 5. Simulation of transformer protection. 6. Comparative study of specifications of earthing at different substations / different locations & new trends in earthing schemes (information search) 7. To demonstrate simulation of line protection Visit : Visit to a nearby substation and study all the circuit breakers, isolators, lightening arrestors, etc. Reference Books: 1. Switchgear and Protection by Sunil S. Rao and A. K. Thereja, Publisher: Khanna Publishers, New Delhi. 2. Power System by S. L. Uppal, Publisher: Khanna Publishers, New Delhi. 3. A Text Book on Power System Engineering by A. Chakrabarti, M. I. Soni and P. V. Gupta, Publisher: Dhanpatrai Publications P. Ltd., New Delhi. 4. Switchgear and Protection by J. B. Gupta, Publisher: S. K. Kataria and Sons, New Delhi. 5. Fundamentals of Power System Protection by Y. G. Paithankar and S. R. Bhide, Publisher: Prentice-Hall India, New Delhi. 6. Power System by V. K. Mehta and Rohit Mehta, Publisher: S. Chand and Co., New Delhi. 7. Power System protection and Switch gear by Badri Ram, Tata McGraw Hill Education Private Ltd., New Delhi. EE Switchgear and Protection 3

7 Programme Code: Electrical Engineering Course Code: EE Compulsory / Optional: Compulsory Teaching Scheme and Credits Course Title: Testing and Maintenance of Electrical Equipments Examination Scheme TH TU PR Total TH TS PR OR TW Total (E) Rationale: This subject is considered for the award of class. This is applied technology level subject with application in industry, commercial, public utility departments such as PWD, Irrigation, MSEB, water supply & sewage board etc. After studying this subject student will be able to inspect, test, install & commission electrical machines as per IS and International standards. Routine & preventive maintenance of electrical machines & knowledge of Indian Electricity Act, safety rules, safety of machines & persons, prevention of accident are included in this subject. This will help the student to initiate total productive maintenance. Objectives: The students will be able to - Know safety measures & state safety precautions. - Test single phase, three phase transformer, DC & AC machine as per IS. - Identify / Locate common troubles in electrical machines & switch gear. - Plan & carry out routine & preventive maintenance. - Maintain LV switchgear. - Ascertain the condition of insulation & re-varnishing if necessary. - Initiate total productive maintenance. Section I Contents: Hours Marks 1 : Safety & Prevention of Accidents: 1.1 Definition of terminology used in safety; safety, hazard, accident, major accident hazard, responsibility, authority, accountability, monitoring. 1.2 I.E. Act & statutory regulations for safety of persons & equipment working with electrical installation, Dos & don ts for substation operators as listed in IS. 1.3 Meaning & causes of electrical accidents; factors on which severity of Shock depends. 1.4 Procedure for rescuing the person who has received an electric shock, methods of providing artificial respiration. 1.5 Precautions to be taken to avoid fire due to electrical reasons, operation of fire extinguishers. 1.6 Safety Act. 6 8 EE Testing and Maintenance of Electrical Equipments 1

8 2 : General Introduction: 2.1 Objectives of testing significance of I.S.S. concept of tolerance, routine tests, type tests, special tests. 2.2 Methods of testing a) Direct, b) Indirect, c) Regenerative. 2.3 Concept of routine, preventive & breakdown maintenance, advantages of preventive maintenance, procedure for developing preventive maintenance schedule, Factors affecting preventive maintenance schedule. 2.4 Introduction to total productive maintenance. 2.5 Measurement of earth resistance : Testing & maintenance of Transformers: 3.1 Listing type test, routine test & special test as per I.S Procedure for conducting following tests: Measurement of winding resistance, no load losses, & no load current, Impedance voltage, load losses, Insulation resistance, Induced over voltage withstand test, separate source voltage withstand test, Impulse voltage withstand test, Temperature rise test of oil & winding, Different methods of determining temp rise- back to back test, short circuit test, open delta (delta delta) test. 3.3 Preventive maintenance & routine maintenance of distribution transformer as per I.S (part III): Periodic checks for replacement of oil, silica gel Section II Contents: Hours Marks 4 : Testing & maintenance of rotating machines: 4.1 Type tests, routine tests & special tests of 1 & 3 phase Induction motors. 4.2 Routine, Preventive, & breakdown maintenance of 1 & 3 phase Induction motors as per IS 9001: Maintenance schedule of alternators & synchronous machines as per IS : Trouble shooting of Electrical Machines & Switchgear: 5.1 Significance of trouble shooting of various electrical machines. 5.2 Causes of failure of equipment. Trouble shooting charts. Various types of faults (mechanical, electrical & magnetic) in electrical machines reason for their occurrence, 5.3 Tools and their applications: Bearing puller, Filler gauge, dial indicator, spirit level megger, earth tester, growler, Multimeter. 5.4 Trouble shooting charts for 1 & 3-phase induction motor, 1 & 3- phase transformer. List the common troubles in electrical installation & cables. 5.5 Maintenance & trouble shooting of LV switchgear like MCCB, ELCB, EE Testing and Maintenance of Electrical Equipments 2

9 Distribution boards, contactors & batteries. 6 : Testing & maintenance of Insulation: 6.1 Classification of insulating materials as per I.S. 8504(part III) 1994, factors affecting life of insulating materials, measurement of insulation resistance & interpretation of condition of insulating. Methods of measuring temperature of internal parts of windings / machines & applying the correction factor when the machine is hot. 6.2 Properties of good transformer oil, list of agents which contaminates the insulating oil, understand the importance of following tests on oil as per I.S a) acidity test b) sludge test c) crackle test e) flash point test. 6.3 Filtration of insulating oil protection of electrical equipment (insulation) during the period of inactivity. 6.4 Methods of cleaning the insulations covered with loose, dry dust, sticky dirt, & oily viscous films, procedure for cleaning washing & drying of insulations List of Practical: 1. Report on Electric Shock, Procedure for rescuing the person who has received an electric shock, Methods of providing artificial respiration. 2. Draw circuit diagram select appropriate meters, connect it to perform routine test on single phase Induction motor. 3. As per the given circuit diagram perform routine test on three phase Induction motor & calculate the different parameters. 4. Select two single phase transformers, perform polarity test, mark its terminals, select appropriate meters & perform back to back test, compare its regulation with direct loading method. 5. Carry out OC & SC test on Induction motor, plot circle diagram, & calculate parameters. 6. Observe & carry out weekly, monthly & yearly maintenance of motor in your workshop & prepare its report. 7. Prepare trouble-shooting chart for single and three phase transformers. 8. Prepare trouble-shooting chart for single and three phase motors. 9. Write a report on methods of internal heating & vacuum impregnation by visiting industry. 10. Measurement of earth resistance. Reference Books: 1. Operation & Maintenance Of Electrical Machines (Volume I and II) by B.V.S.,Rao Media Promoters & Publishers Ltd. Mumbai 2. Preventive Maintenance Hand Books & Journals by C.J.Hubert 3. Introduction to industrial safety by K.T.Kulkarni. 4. IS Codes. EE Testing and Maintenance of Electrical Equipments 3

10 Programme Code: Electrical Engineering Course Code: EE Compulsory / Optional: Compulsory Teaching Scheme and Credits Course Title: Project and Seminar Stage I Examination Scheme TH TU PR Total TH TS PR OR TW Total Rationale: *This subject is considered for the award of class. Diploma technicians come across different types of problems of various natures. To solve those problems students are required to know the facts, concepts and techniques of electrical machines,switchgears,control panels & electrical equipments, its repairs, fault finding and testing, estimation of cost and procurement of material, fabrication and manufacturing of various items used in electrical field. In order to develop them systematically for different problem solving needs, by previous technical knowledge, and skills learnt in previous semester, this subject is incorporated in the curriculum. Objectives: At the end of course students will be able to: Analyses of the different types of Case studies. Develop Innovative ideas. Develop basic technical Skills by hands on experience. Work out different solutions of the problems. Develop skills to use latest technology in Electrical field. Work effectively in a team. Prepare effective documents. Prepare learning material. Acquire effective presentation skills. Develop leadership qualities. Develop communication skills. Methodology: This course will be spread over two semesters i.e. fifth and sixth semester. Course registration will be at the beginning of the fifth semester. A batch consisting of maximum four students. Project identification. A project diary is to be maintained by each student, giving details of planning, work executed, information collected etc., on weekly basis. And the same should be shown to the guide concerned. Batch formation, project identification, project selection, survey work, seminar presentation should be completed during fifth semester. EE Project and Seminar Stage I 1

11 Following is the suggestive list of topics for selection of project. Design small electrical machine and devices etc. Industry supported project. Investigative type project. Maintenance based project. Industrial Engineering based project. Low cost automation project. Creativity based engineering project Environment base project. Market based Survey project. Project in recent trends in electrical engineering. Project based on Generation, Transmission and Distribution of electricity. Project on Energy Conservation and Audit. Solar / wind / gas based project (Renewable energy sources) Simulation Projects. Microprocessor/ Micro controller Based Projects. PC based projects. Electrical circuits & measurements. Automation Projects. Switchgears, control panels. Electrical Power Systems Instrumentation Illumination based project Electronics control of various machines Fault finding, repair,modification of existing projects/setup/units Electrical Installation systems Seminar Every student will prepare and deliver the seminar. Seminar can be on project selected by the batch. Use of audio visual and / or power point presentation is desirable. Presentation will be 15 minutes including 5 minutes of question and answer. Seminar topic should be selected in consultation with project guide. Seminar paper should be submitted to the guide well before the presentation. Seminar should be presented during fifth semester. EE Project and Seminar Stage I 2

12 Programme Code: Electrical Engineering Course Code: EE Compulsory / Optional: Optional Teaching Scheme and Credits Course Title: Microcontroller & Applications Examination Scheme TH TU PR Total TH TS PR OR TW Total (Ext) *This subject is considered for the award of class. Rationale: Today Micro controllers have become an integral part of all automatic & Semi automatic machines. Therefore there is a growing need of engineers/technician in this field. Hence, it is necessary to study microcontroller basics, hardware its programming This subject covers microcontroller 8051 architecture, its instruction set, programming & application. Objectives: The student will be able to Describe the architecture of 8051 Understand 8051 instruction set Develop assembly language program using 8051 instruction set Understand interfacing concepts. Learn and understand various application of Microcontroller Section I Contents: Hours Marks 1. Introduction to Microcontrollers 1.1 Introduction to microcontrollers 1.2 Comparison between Microcontroller and microprocessor 1.3 Evolution of Microcontroller Commercial Microcontroller devices Microcontroller. 2.1 Block diagram of Microcontroller 2.2 Registers in 8051 General Purpose Registers. Stack Pointer and Program counter Special function Registers (SFR) Program status word (PSW) Data pointer (DPTR) Timer register I/O Ports Control register EE Microcontroller & Applications 1

13 Pin description, connections, I/O port and Memory organization Pin description connections- Oscillator circuit clock Parallel I/O Ports 3.4 Memory Organization Addressing modes & Instruction Addressing modes Register addressing Direct addressing. Register Indirect addressing Immediate addressing Base Register plus index register addressing Instruction Set Data transfer function Arithmetic instruction Logical Instruction Boolean variable manipulation instructions Program Branching instructions assembler & assembling 8051 program 4.4 Simple program Section II Contents: Hours Marks Interrupts, timer/counters & serial communication 5.1 Interrupts in Initializing 8051 Interrupts 5.3 Interrupt priorities in Times & counters :- Timer/counters Modes RS-232 : Pin diagram & its function connections to RS Serial communication 5.8 Serial communication modes Mode 1, Mode 2 & Mode Interfacing to external memory memory address decoding 6.2 Interfacing with external ROM data memory space system with ROM & RAM 7. Applications of Microcontroller A) Applications in Electrical Machines 7.1 Real world applications Interfacing with LED/LCD Interfacing with ADC to the 8051 Interfacing with DAC to the 8051 Interfacing with Sensors (RDT,LDR) 7.2 Interfacing stepper motor Interfacing to the D.C. Motor Interfacing to the Relays Interfacing to the small keyboard EE Microcontroller & Applications 2

14 B) Applications in Control system 7.6 Measurement applications LVDT Angular speed measurement Optical rotary shaft encoder 7.7 Automation and control Application Power controlling devices Thyristorised Control TRIAC for driving AC loads Stepper motor drive (Principle working of above applications) 8. Introduction to Peripheral devices/supporting chips List of Practical: (Execution of program using programming Software ) 1. Understand the working of Microcontroller 2. Demonstration & use of software simulator/assembler 3. Programming (two) example on Data transfer & instructions 4. Programming examples (any two) Logical operations 5. Programming examples (any two) Jump & Call instruction 6. Demonstration & testing of the following Applications (any Two) i) Keyboard interface ii) LCD/LED Display Display interface iii) D/A or A/D converter Interface iv) Relay interface v) stepper motor control. vi) DC motor control Reference Books: Microcontroller, Author K. S. Ayala, Publisher Penram International publishing, New Delhi 2. Microcontroller Theory & appliances, Author Ajay Deshmukh, Publisher Tata Megrawhill, New Delhi Micrcontroller & Embedded system, Author Mohammed Ali Mazidi, Publisher peasson Education 4. Programming & customizing the 8051 Microcontroller, Author Myke predko, Publisher Tata Mcgraw hill publishing company limited 5. Microcontroller, Author- Kenneth Hintz Daniel Tabak, Publisher- Tata Mcgraw Hill EE Microcontroller & Applications 3

15 Programme Code: Electrical Engineering Course Code: EE Compulsory / Optional: Optional Teaching Scheme and Credits Course Title: Energy Conservation and Audit Examination Scheme TH TU PR Total TH TS PR OR TW Total (Ext.) Rationale: This subject is categorized under technology subjects. Rapid developments in the standard of living of countrymen results into increased energy consumption. But due to limited availability of conventional sources and difficulties in their tapping and uneconomical and insufficient R and D aspect of non-conventional sources, energy conservation is the most important tool to some extent, to face the problem of the increased demand. For monitoring effectiveness of the energy conservation methods and proper use of electrical energy, energy audit is must. To maintain the growth of development, electricity generation will be required to be increased by proper mix of conventional and non-conventional sources of energy but at the same time its conservation and audit should be done to increase the efficiency of electrical power system. Hence electrical engineers must have knowledge of various methods of energy conservation and concept of energy audit and its implementation. Objectives: The students will be able to - List causes for limited growth of conventional energy sources and limitations of nonconventional sources of energy. - Suggest methods of energy conservation for different load conditions. - Select appropriate tariff system and methods for reducing electricity consumption and energy saving. - Apply Tools for energy audit and recommend measures for energy conservation. Section I Contents: 1: Energy 1.1. Review of various energy sources Need of energy conservation and energy audit Energy Conservation Act Role of energy manager 2: Energy Conservation: 2.1. Lighting energy: methods / Techniques of efficient lighting Heating: methods / Techniques of energy saving in Furnaces, Ovens and Boilers Cooling: methods / Techniques of Energy Saving in Ventilating systems and Air Conditioners Motive power, Energy Efficient Motors, and Efficient use of energy in motors with the help of voltage reducers, automatic star/ delta converters Power factor improvement devices and soft starters/variable Frequency Drives Energy conservation in Amorphous Core Transformers Cogeneration -Types and Advantages (No Numericals) EE Energy Conservation and Audit 1

16 3:Tariff and Energy Conservation : 3.1. Energy cost and Recent utility tariffs Application of Tariff System to reduce Energy bill Energy Conservation by improving load factor and power factor. Section II Contents: 4:Energy Conservation In Transmission and Distribution Systems: 4.1. Reactive power compensation Demand side management System voltage optimization and phase current balancing Losses in transmission and distribution system and its minimization. 5:Energy and the Environment: 5.1. Environment and social concerns related to energy utilization The green house effect Global Warming and its effect Pollution, Acid Rains Global Energy and environment Management. 6:Energy Audit: 6.1. Procedure of Energy audit, ABC analysis Energy Flow Diagram and its importance Measurements in energy audit and various measuring instruments Questionnaires for the energy audit, internal energy audit checklist Equipment used for energy conservation Numerical problems for Calculation of simple payback period for energy conservation equipment IE rules and regulations for energy audit, Electricity act Tutorials List :- 1. Case study of energy conservation in class room, workshop, institute, small industry. 2. Assignment Visit the industry which have gone with energy audit. 3. Assignment Study on energy audit (Using magazines or periodicals or journals, etc) 4. Assignment Study energy conservation from tariffs. Reference Books: 1. Power Factor Correction by Siemens, Publisher: New Age Publishers 2. Energy Conservation and Audit by S.C.Tripathi, Publisher: Tata Mcgraw Hill, New Delhi. 3. Energy Conservation by D. Yogi Goswami and Frank Kreith, Publisher: CRC Press 4. Electricity Conservation Act. EE Energy Conservation and Audit 2