Second Edition. Power Electronics. Devices and Circuits. V. Jagannathan

Size: px
Start display at page:

Download "Second Edition. Power Electronics. Devices and Circuits. V. Jagannathan"

Transcription

1 Second Edition Power Electronics Devices and Circuits V. Jagannathan

2 Power Electronics Devices and Circuits SECOND EDITION V. Jagannathan Professor and Head Department of Electrical and Electronics Engineering Coimbatore Institute of Technology Coimbatore New Delhi

3 POWER ELECTRONICS: Devices and Circuits, Second Edition V. Jagannathan 2011 by PHI Learning Private Limited, New Delhi. All rights reserved. No part of this book may be reproduced in any form, by mimeograph or any other means, without permission in writing from the publisher. ISBN The export rights of this book are vested solely with the publisher. Seventh Printing (Second Edition) L L November, 2010 Published by Asoke K. Ghosh, PHI Learning Private Limited, M-97, Connaught Circus, New Delhi and Printed by Baba Barkha Nath Printers, Bahadurgarh, Haryana

4 Contents Preface 1. Introduction What is Power Electronics? History Power Electronics Applications Power Semiconductor Devices and Their Classifications Power Semiconductor Devices: Characteristics and Ratings Ideal and Real Switches: Comparison of Characteristics Ideal Switch Characteristics Desirable Characteristics of a Real Switch Power Loss Characteristics of an Ideal Switch Power Loss Characteristics in a Real Switch Power Electronic Systems Types of Power Electronic Circuits/Converters Merits and Demerits of Power Electronic Converters Recent Developments 12 Summary 13 Solved Examples 14 Review Questions 18 Problems Power Switching Devices and their Characteristics Preliminaries Power Diodes Diode V I Characteristics Diode Reverse Recovery Characteristics Types and Ratings of Power Diodes Series and Parallel Operation of Diodes 23 iii xi

5 iv Contents 2.3 Thyristors Structure, Symbol, and V I Characteristics Transistor Analogy Thyristor Turn-on Methods Thyristor Turn-off Methods Switching Characteristics of Thyristors Switching Characteristics during Turn-on Switching Characteristics during Turn-off Thyristor Gate Characteristics Thyristor Commutation Methods Natural Commutation Forced Commutation Thyristor Protection Over Voltage Protection Suppression of Overvoltages Overcurrent Protection Snubber Circuits Thyristor Ratings Anode Voltage Ratings Current Ratings Surge Current Rating I 2 t Rating di/dt Rating Series and Parallel Operation of Thyristors Series Operation Parallel Operation Triggering of Thyristors Triggering of Thyristors in Series Triggering of Parallel Connected SCRs Heat Sinks, Heating, Cooling and Mounting of Thyristors Thermal Resistance Thyristor Heat Sinks Thyristor Trigger Circuits RC Firing Circuits Synchronized UJT Triggering (or Ramp Triggering) Ramp and Pedestal Triggering Pulse Transformers Other Thyristor Devices TRIAC DIAC LASCR Programmable Unijunction Transistor (PUT) Silicon Unilateral Switch (SUS) Reverse Conducting Thyristor (RCT) GTO (Gate-Turn-Off) Thyristor 68

6 Contents v 2.14 Power Transistors Bipolar Junction Transistor (BJT) Power MOSFET Comparison of MOSFET and BJT Insulated Gate Bipolar Transistor (IGBT) Basic Structure Equivalent Circuit Operation Models Output Characteristics Transfer Characteristics Switching Characteristics Latch-up Safe Operating Area (SOA) Applications MOS Controlled Thyristor (MCT) Typical Rating of High Power Devices Driver Circuits for Gate Commutation Devices GATE Drive Circuits for Power MOSFET Driver Circuits for MOSFET Driver Circuits for IGBT Base-Drive Circuits for Power BJT GATE Drive Circuits for GTO 92 Solved Examples 93 Review Questions 104 Problems AC to DC Converters Preliminaries The Principle of Phase Control Converter Classifications Single-phase Half Wave Thyristor Rectifier with RL Load Single-phase Half Wave Thyristor Rectifier with RL Load and Free-wheeling Diode Single-phase Half Wave Thyristor Rectifier with RLE Load Single-phase Full Wave Thyristor Converters Single-phase Full Wave Mid-point Thyristor Converter Single-phase Full Wave Bridge Converters Single-phase Bridge Rectifier Connected to Resistance Load Series RL Load RL Load with Free-wheeling Diode Full Wave Bridge Rectifier Feeding RLE Load Single-phase Semi-converter Calculation of Active and Reactive Power Inputs Effect of Load Inductance Three-phase Thyristor Converter Circuits Three-phase Half Wave Converter 128

7 vi Contents Three-phase Full Converters Line Commutated Three-phase Inverter Three-phase Semi-converters Effect of Source Impedance on the Performance of Converters Single-phase Full Converter Three-phase Full Converter Bridge Dual Converters Dual Converter without Circulating Current Dual Converter with Circulating Current Single Phase Series Converters Two Semiconverters in Series Two Single Phase Full Converters in Series Twelve-pulse Converters Gating Circuits Cosine Firing Scheme 147 Solved Examples 149 Review Questions 161 Problems AC to AC Converters Preliminaries AC Voltage Controllers Types of AC Voltage Controllers Methods of Voltage Control Single-phase AC Voltage Controller Supplying R Loads (Phase Control) Single-phase AC Voltage Controller Supplying R Loads (Integral Cycle Control) Single-phase Voltage Controller Supplying RL Loads Three-phase AC Voltage Controller Single-phase Transformer Tap Changer Cycloconverters Principle of Operation Single-phase to Single-phase Cycloconverter Feeding RL Load Three-phase to Single-phase Cycloconverters Three-phase to Three-phase Cycloconverter Output Voltage Equation Effect of Source Inductance 189 Solved Examples 190 Review Questions 194 Problems DC to DC Converters (Choppers) Preliminaries Principle of Chopper Operation 197

8 Contents vii 5.3 Control Schemes Constant Frequency Scheme Variable Frequency Scheme Current Limit Control (CLC) Step Up Choppers Chopper Circuits: Classification Steady State Time Domain Analysis of Type A Chopper Thyristor Based Chopper Circuits Voltage Commutated Chopper Current Commutated Chopper Load Commutated Chopper Multiphase Choppers Switch Mode Power Supplies (SMPS) Switch Mode DC DC Converter (without Isolation) Buck Converter Boost-type Converter Buck Boost Converter Cuk Converters Switch Mode DC DC Converter (with Isolation) Fly Back Converter Push Pull Converter Half-bridge Converter Full-bridge Converter Resonant Converters Zero-current Switching Resonant Converters Zero-voltage Switching Resonant Converters Comparison between ZCS and ZVS converters 240 Solved Examples 241 Review Questions 246 Problems Inverters Preliminaries Classification Parallel Inverters Basic Parallel Inverter Modified Parallel Inverter Series Inverters Basic Series Inverter Modifications of Series Inverter Single-phase Bridge Voltage Source Inverter Single-phase Half Bridge Inverter Single-phase Full Bridge Inverter Steady State Response of Single-phase Inverters 260

9 viii Contents 6.6 Force Commutated Thyristor Inverter McMurray Inverter (Auxiliary Commutated Inverter) Modified McMurray Full Bridge Inverter McMurray Bedford Half Bridge Inverter (Complementary Impulse Commutated Inverter) Three-phase Bridge Inverters Three-phase Inverter under 180 Mode Operation Three-phase Inverter under 120 Mode Operation Voltage Control in Single-phase Inverters External Control of the AC Output Voltage External Control of the DC Input Voltage Through Variable DC Link Internal Control of the Inverter Voltage Pulse Width Modulated Inverters Voltage Control of Three-phase Inverter Harmonic Reduction in the Output Voltage Harmonic Reduction by Transformer Connections Harmonic Reduction by Multiple Commutation in Each Half Cycle Current Source Inverter Single-phase Capacitor Commutated Current Source Inverter with R Load Single-phase Auto-sequential Commutated Inverter (One-phase ASCI) Three-phase Current Source Inverter 288 Solved Examples 289 Review Questions 296 Problems Power Controllers: Their Applications Preliminaries DC Motor Speed Control Principle of Speed Control Phase Controlled Converters Single-phase DC Drives Three-phase DC Drives Dual Converter Drives Chopper Controlled DC Drives AC Drives Induction Motor Drives Speed Control by Stator Voltage Control Variable Voltage Variable Frequency Control Speed Control by Chopper Controlled Rotor Resistance Slip Power Recovery Control Synchronous Motor Control Static Circuit Breakers DC Circuit Breakers AC Circuit Breakers 321

10 Contents ix 7.8 HVDC Transmission Types of HVDC Lines Converter Station Static Var Systems Thyristor Controlled Reactor-fixed (TCR) Capacitor Thyristor Switched Capacitor Thyristor Controlled Reactor (TSC TCR) Uninterrupted Power Supply (UPS) On-Line UPS Off-Line UPS Salient Features of an On-Line Inverter Inverters Transfer Switch 331 Solved Examples 332 Review Questions Microcontroller Based Control and Protection Circuits Preliminaries The 8051 Microcontroller The 8051 Pin Configuration Architecture Memory Organization The Special Function Register Timers/Counters The Serial Interface The Interrupts The Power Control Register (PCON) The Instruction Set Addressing Modes Arithmetic Instructions Logical Instructions Data Transfer Instructions Boolean Instructions The Program Branching and Machine Control Instructions Instruction Timing Interfacing the 8051 Microcontroller Interfacing External Memory Interfacing an Input/Output Device Interfacing an Analog to Digital Converter Interfacing a Digital to Analog Converter Interfacing a Relay and an Optocoupler Interfacing a Pulse Transformer Applications SCR Triggering Cycloconverter Fault Diagnosis in Three-phase Thyristor Converters Using Microcontroller 357

11 Power Electronics : Devices And Circuits 25% OFF Publisher : PHI Learning ISBN : Author : JAGANNATHAN, V. Type the URL : 69 Get this ebook

Course Name: POWER ELECTRONICS Course Code: EE603 Credit: 4

Course Name: POWER ELECTRONICS Course Code: EE603 Credit: 4 Course Name: POWER ELECTRONICS Course Code: EE603 Credit: 4 Prerequisites: Sl. No. Subject Description Level of Study 01 Basic Electronics p n junction, Diode, BJT, MOSFET 1 st Sem, 2 nd Sem 02 Circuit

More information

Introduction to Power Electronics - A Tutorial. Burak Ozpineci Power Electronics and Electrical Power Systems Research Center

Introduction to Power Electronics - A Tutorial. Burak Ozpineci Power Electronics and Electrical Power Systems Research Center Introduction to Power Electronics - A Tutorial Burak Ozpineci Power Electronics and Electrical Power Systems Research Center Agenda 1. The definition of power electronics 2. Power semiconductors 3. Power

More information

ELECTRICAL MACHINES. Theory and Practice. M.N. Bandyopadhyay

ELECTRICAL MACHINES. Theory and Practice. M.N. Bandyopadhyay ELECTRICAL MACHINES Theory and Practice M.N. Bandyopadhyay ELECTRICAL MACHINES Theory and Practice M.N. Bandyopadhyay Director National Institute of Technology Kurukshetra Delhi-110092 2014 ELECTRICAL

More information

ELECTRIC DRIVES N.K. DE P.K. SEN

ELECTRIC DRIVES N.K. DE P.K. SEN ELECTRIC DRIVES N.K. DE P.K. SEN Electric Drives NISIT K. DE Associate Professor Department of Electrical Engineering Indian Institute of Technology Kharagpur and PRASANTA K. SEN Assistant Professor Department

More information

Government of Karnataka Department of Technical Education Board of Technical Examinations, Bengaluru

Government of Karnataka Department of Technical Education Board of Technical Examinations, Bengaluru Government of Karnataka Department of Technical Education Board of Technical Examinations, Bengaluru Course Title: POWER ELECTRONICS Course Code : 15EE51T Semester : V Course Group : Core Teaching Scheme

More information

Lecture 2. Power semiconductor devices (Power switches)

Lecture 2. Power semiconductor devices (Power switches) Lecture 2. Power semiconductor devices (Power switches) Power semiconductor switches are the work-horses of power electronics (PE). There are several power semiconductors devices currently involved in

More information

ELECTRICAL POWER and POWER ELECTRONICS

ELECTRICAL POWER and POWER ELECTRONICS Introduction to ELECTRICAL POWER and POWER ELECTRONICS MUKUND R PATEL (cj* CRC Press Taylor & Francis Group Boca Raton London New York CRC Press is an imprint of the Taylor & Francis Croup, an informa

More information

Practical Variable Speed Drives and Power Electronics

Practical Variable Speed Drives and Power Electronics Practical Variable Speed Drives and Power Electronics Malcolm Barnes CPEng, BSc(ElecEng), MSEE, Automated Control Systems, Perth, Australia AMSTERDAM BOSTON HEIDELBERG LONDON. NEW YORK OXFORD PARIS SAN

More information

Electrical Power Systems

Electrical Power Systems Electrical Power Systems Analysis, Security and Deregulation P. Venkatesh B.V. Manikandan S. Charles Raja A. Srinivasan Electrical Power Systems Electrical Power Systems Analysis, Security and Deregulation

More information

Power Semiconductor Switches

Power Semiconductor Switches Power Semiconductor Switches Pekik Argo Dahono Power Semiconductor Switches Diodes (Uncontrolled switches) Thyristors (Controllable at turn-on but uncontrolled at turn-off or commonly called as latched

More information

EPE 18 ECCE Europe: LIST OF KEYWORDS

EPE 18 ECCE Europe: LIST OF KEYWORDS EPE 18 ECCE Europe: LIST OF KEYWORDS AC machine AC-cable AC/AC converter Accelerators Acoustic noise Active damping Active filter Active Front-End Actuator Adaptive control Adjustable speed drive Adjustable

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

Contents. Prefece. List of Acronyms «xxi. Chapter 1 History of Power Systems 1

Contents. Prefece. List of Acronyms «xxi. Chapter 1 History of Power Systems 1 Contents Prefece xv Author xix List of Acronyms «xxi Chapter 1 History of Power Systems 1 LI Thomas A. Edison (1847-1931) 5 1.2 Nikola Tesla (1856-1943) 7 1.3 Battle of AC versus DC 8 1.4 Today's Power

More information

Index. Battery vanadium redox, 7 Betz-factor, 331 Bipolar Junction Transistor (BJT), 58, 68

Index. Battery vanadium redox, 7 Betz-factor, 331 Bipolar Junction Transistor (BJT), 58, 68 Index Acoustic noise, 4 Active Power Filter (APF), 23, 31, 124 Adjustable Speed Drive (ASD), 38, 118, 158, 173 Advisory Committee on Electromagnetic Compatibility (ACEC), 132 Anti-islanding, 204, 209,

More information

ELEC-E8421 Components of Power Electronics. Protection of Power Semiconductor Devices

ELEC-E8421 Components of Power Electronics. Protection of Power Semiconductor Devices ELEC-E8421 Components of Power Electronics Protection of Power Semiconductor Devices Protection of power semiconductor devices Overvoltage protection du/dt protection di/dt protection Overcurrent protection

More information

SPIRO SOLUTIONS PVT LTD POWER ELECTRONICS 1. RENEWABLE ENERGY PROJECT TITLES I. SOLAR ENERGY

SPIRO SOLUTIONS PVT LTD POWER ELECTRONICS 1. RENEWABLE ENERGY PROJECT TITLES I. SOLAR ENERGY POWER ELECTRONICS 1. RENEWABLE ENERGY S.NO PROJECT CODE PROJECT TITLES I. SOLAR ENERGY YEAR 1 ITPW01 Photovoltaic Module Integrated Standalone Single Stage Switched Capacitor Inverter with Maximum Power

More information

The Application of Power Electronics to the Alberta Grid

The Application of Power Electronics to the Alberta Grid The Application of Power Electronics to the Alberta Grid Peter Kuffel, Michael Paradis ATCO Electric APIC May 5, 2016 Power Electronics Semiconductor devices used in power transmission systems Types: Thyristor

More information

Power Electronics Projects

Power Electronics Projects Power Electronics Projects I. POWER ELECTRONICS based MULTI-PORT SYSTEMS 1. Analysis, Design, Modeling, and Control of an Interleaved- Boost Full-ridge Three-Port Converter for Hybrid Renewable Energy

More information

Electric cars: Technology

Electric cars: Technology In his lecture, Professor Pavol Bauer explains all about how power is converted between the various power sources and power consumers in an electric vehicle. This is done using power electronic converters.

More information

Theory of Mechanisms and Machines

Theory of Mechanisms and Machines Theory of Mechanisms and Machines Theory of Mechanisms and Machines C.S. SHARMA Formerly Professor Department of Mechanical Engineering Jai Narain Vyas University Jodhpur KAMLESH PUROHIT Professor Department

More information

ELG4125: Flexible AC Transmission Systems (FACTS)

ELG4125: Flexible AC Transmission Systems (FACTS) ELG4125: Flexible AC Transmission Systems (FACTS) The philosophy of FACTS is to use power electronics for controlling power flow in a transmission network, thus allowing the transmission line to be loaded

More information

Modeling and Simulation of Firing Circuit using Cosine Control System

Modeling and Simulation of Firing Circuit using Cosine Control System e t International Journal on Emerging Technologies 7(1): 96-100(2016) ISSN No. (Print) : 0975-8364 ISSN No. (Online) : 2249-3255 Modeling and Simulation of Firing Circuit using Cosine Control System Abhimanyu

More information

Static frequency converter couples US paper mill s 25-Hz and 60-Hz electricity grids

Static frequency converter couples US paper mill s 25-Hz and 60-Hz electricity grids Static frequency converter couples US paper mill s 2-Hz and 0-Hz electricity grids Before 0 Hz was adopted as the standard frequency for electricity distribution in the USA, power companies across the

More information

INSTITUTE OF AERONAUTICAL ENGINEERING Dundigal, Hyderabad

INSTITUTE OF AERONAUTICAL ENGINEERING Dundigal, Hyderabad INSTITUTE OF AERONAUTICAL ENGINEERING Dundigal, Hyderabad - 500 043 MECHANICAL ENGINEERING ASSIGNMENT Name : Electrical and Electronics Engineering Code : A40203 Class : II B. Tech I Semester Branch :

More information

ELE 454 Power Electronics. Lecture Notes Chapter I

ELE 454 Power Electronics. Lecture Notes Chapter I Hacettepe University Electrical and Electronics Engineering Department ELE 454 Power Electronics Lecture Notes Chapter I Instructor: Dr. Işık Çadırcıadırc OUTLINE I. INTRODUCTION II. POWER SEMICONDUCTOR

More information

2.0 CONSTRUCTION 3.0 OPERATION. SA-1 Generator Differential Relay - Class 1E 2.5 TRIP CIRCUIT

2.0 CONSTRUCTION 3.0 OPERATION. SA-1 Generator Differential Relay - Class 1E 2.5 TRIP CIRCUIT 41-348.11C SA-1 Generator Differential Relay - Class 1E 2.0 CONSTRUCTION The type SA-1 relay consists of: Restraint Circuit Sensing Circuit Trip Circuit Surge Protection Circuit Operating Circuit Amplifier

More information

FUSES FOR SEMICONDUCTORS

FUSES FOR SEMICONDUCTORS FUSES FOR SEMICONDUCTORS. POWER SEMICONDUCTORS.. Three families of power semiconductors.. Power semiconductors history.3. Current conversion: one application of the power semiconductors.4. Power semiconductors

More information

R13 SET - 1. b) Describe different braking methods employed for electrical motors. [8M]

R13 SET - 1. b) Describe different braking methods employed for electrical motors. [8M] Code No:RT32026 R13 SET - 1 III B. Tech II Semester Regular Examinations, April - 2016 POWER SEMICONDUCTOR DRIVES (Electrical and Electronics Engineering) Time: 3 hours Maximum Marks: 70 Note: 1. Question

More information

Inverter with MPPT and Suppressed Leakage Current

Inverter with MPPT and Suppressed Leakage Current POWER ELECTRONICS IEEE Projects Titles -2018 LeMeniz Infotech 36, 100 feet Road, Natesan Nagar(Near Indira Gandhi Statue and Next to Fish-O-Fish), Pondicherry-605 005 Web : www.ieeemaster.com / www.lemenizinfotech.com

More information

SIDDHARTH GROUP OF INSTITUTIONS :: PUTTUR Siddharth Nagar, Narayanavanam Road QUESTION BANK (DESCRIPTIVE)

SIDDHARTH GROUP OF INSTITUTIONS :: PUTTUR Siddharth Nagar, Narayanavanam Road QUESTION BANK (DESCRIPTIVE) SIDDHARTH GROUP OF INSTITUTIONS :: PUTTUR Siddharth Nagar, Narayanavanam Road 517583 QUESTION BANK (DESCRIPTIVE) Subject with Code : PSD (16EE223) Year & Sem: III-B.Tech & II-Sem Course & Branch: B.Tech

More information

ELEC-E8421 Components of Power Electronics. Thyristors

ELEC-E8421 Components of Power Electronics. Thyristors ELEC-E8421 Components of Power Electronics Thyristors Thyristors Turn on and the di/dt rating At turn on the gate current goes to cathode only at the small region near the gate. The initial turn on area

More information

Thyristors (npnp devices) Objectives: Knowledge of types, structure, operation and properties of pnpn devices

Thyristors (npnp devices) Objectives: Knowledge of types, structure, operation and properties of pnpn devices 1 Thyristors (npnp devices) The general information Structure and principles of operation Types of thyristors Objectives: Knowledge of types, structure, operation and properties of pnpn devices 2 General

More information

Reactive Power Management Using TSC-TCR

Reactive Power Management Using TSC-TCR Reactive Power Management Using TSC-TCR Kumarshanu Chaurasiya 1, Sagar Rajput 1, Sachin Parmar 1, Prof. Abhishek Patel 2 1 Student, Department of Electrical Engineering, Vadodara institute of engineering,

More information

Contents. Review of Electric Circuitd. Preface ;

Contents. Review of Electric Circuitd. Preface ; Preface ; Chapter 1 Review of Electric Circuitd 1.1 Introduction, 1 1.2 Direct Circuit Current, 1 1.2.1 Voltage, 3 1.2.2 Power, 3 1.2.3 Ohm's Law, 5 1.2.4 KirchhofTs Laws, 5 1.2.4.1 Kirchhoff s Current

More information

Electric Machines CHARLES A. GROSS. Aubum University Auburn, Alabama, U.S.A. LßP) CRC Press Vv* / Taylor & Francis Croup. Boca Raton London New York

Electric Machines CHARLES A. GROSS. Aubum University Auburn, Alabama, U.S.A. LßP) CRC Press Vv* / Taylor & Francis Croup. Boca Raton London New York Electric Machines CHARLES A. GROSS Aubum University Auburn, Alabama, U.S.A. LßP) CRC Press Vv* / Taylor & Francis Croup Boca Raton London New York CRC Press is an imprint of the Taylor & Francis Group,

More information

SHRI ANGALAMMAN COLLEGE OF ENGINEERING AND TECHNOLOGY (An ISO 9001:2008 Certified Institution) SIRUGANOOR, TIRUCHIRAPPALLI

SHRI ANGALAMMAN COLLEGE OF ENGINEERING AND TECHNOLOGY (An ISO 9001:2008 Certified Institution) SIRUGANOOR, TIRUCHIRAPPALLI SHRI ANGALAMMAN COLLEGE OF ENGINEERING AND TECHNOLOGY (An ISO 9001:2008 Certified Institution) SIRUGANOOR, TIRUCHIRAPPALLI 621 105 DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING EE1205 - ELECTRICAL

More information

HYBRID ELECTRIC VEHICLE SYSTEM MODELING AND CONTROL

HYBRID ELECTRIC VEHICLE SYSTEM MODELING AND CONTROL HYBRID ELECTRIC VEHICLE SYSTEM MODELING AND CONTROL Second Edition Wei Liu General Motors, USA WlLEY Contents Preface List of Abbreviations Nomenclature xiv xviii xxii 1 Introduction 1 1.1 Classification

More information

AC/DC FFE converter power module

AC/DC FFE converter power module Sheet 1 PRODUCT DESCRIPTION The converter series FFE (Fundamental Front End) consists of a three-phase IGBT bridge working at mains frequency and works as rectifier/regenerative bridge allowing the flow

More information

MAHARASHTRA STATE BOARD OF TECHNICAL EDUCATION (Autonomous) (ISO/IEC Certified)

MAHARASHTRA STATE BOARD OF TECHNICAL EDUCATION (Autonomous) (ISO/IEC Certified) Summer 2016 EXAMINATION Subject Code: 17667 Model Answer Important Instructions to examiners: 1) The answers should be examined by key words and not as word-to-word as given in the answer scheme. 2) The

More information

FATIMA MICHAEL COLLEGE OF ENGINEERING & TECHNOLOGY Senkottai Village, Madurai Sivagangai Main Road, Madurai

FATIMA MICHAEL COLLEGE OF ENGINEERING & TECHNOLOGY Senkottai Village, Madurai Sivagangai Main Road, Madurai Department of Mechanical Engineering QUESTION BANK SUBJECT NAME: ELECTRICAL DRIVES AND CONTROL YEAR / SEM: II / III UNIT I INTRODUCTION PART-A (2 MARKS) 1. Define Drives 2. Define Electric Drives. 3. What

More information

AC DRIVES. AC Drives. The word "drive" is used loosely in the industry. It seems that people involved

AC DRIVES. AC Drives. The word drive is used loosely in the industry. It seems that people involved AC DRIVES AC Drives The word "drive" is used loosely in the industry. It seems that people involved primarily in the world of gear boxes and pulleys refer to any collection of mechanical and electro-mechanical

More information

Electric Drives Lab PCC 8 EE-456C Electrical Simulation Lab PCC 9 EE-468C Project Workshop SEC

Electric Drives Lab PCC 8 EE-456C Electrical Simulation Lab PCC 9 EE-468C Project Workshop SEC YMCA UNIVERSITY OF SCIENCE AND TECHNOLOGY, FARIDABAD SCHEME OF STUDIES & EXAMINATIONS B.TECH 4 TH YEAR (SEMESTER VIII) ELECTRICAL ENGINEERING (2017-18) Sl.No. Course code. Course Title L T P Credits CAT

More information

EE 353 Power Electronics

EE 353 Power Electronics EE 353 Power Electronics WS 1999 B. Chowdhury 1 Definition Power electronics Power Generation Transmission Distribution Electronics Solid state devices circuits signal processing Control Steady-state and

More information

YMCA UNIVERSITY OF SCIENCE AND TECHNOLOGY, FARIDABAD SCHEME OF STUDIES & EXAMINATIONS B.TECH 3 rd YEAR (SEMESTER V) ELECTRICAL ENGINEERING ( )

YMCA UNIVERSITY OF SCIENCE AND TECHNOLOGY, FARIDABAD SCHEME OF STUDIES & EXAMINATIONS B.TECH 3 rd YEAR (SEMESTER V) ELECTRICAL ENGINEERING ( ) YMCA UNIVERSITY OF SCIENCE AND TECHNOLOGY, FARIDABAD SCHEME OF STUDIES & EXAMINATIONS B.TECH 3 rd YEAR (SEMESTER V) ELECTRICAL ENGINEERING (2017-18) Sl.No. Course code. Course Title L T P Credits CAT code

More information

USOO A United States Patent (19) 11 Patent Number: 5,892,675 Yatsu et al. (45) Date of Patent: Apr. 6, 1999

USOO A United States Patent (19) 11 Patent Number: 5,892,675 Yatsu et al. (45) Date of Patent: Apr. 6, 1999 USOO5892675A United States Patent (19) 11 Patent Number: Yatsu et al. (45) Date of Patent: Apr. 6, 1999 54 ACCURRENT SOURCE CIRCUIT FOR 4,876,635 10/1989 Park et al.... 363/17 CONVERTING DC VOLTAGE INTO

More information

POWER ELECTRONICS & DRIVES

POWER ELECTRONICS & DRIVES POWER ELECTRONICS & DRIVES S.No Title Year Solar Energy/PV Grid-Tied 01 Nonlinear PWM-Controlled Single-Phase Boost Mode Grid-Connected Photovoltaic Inverter With Limited Storage Inductance Current 02

More information

NOTE : Evaluation for I.A (Theory) & Sessional Practical to be made as per guidelines of SCTE & VT,Orissa.

NOTE : Evaluation for I.A (Theory) & Sessional Practical to be made as per guidelines of SCTE & VT,Orissa. TEACHING & EVALUATION SCHEME (2010-2011) DISCIPLINE : ELECTRICAL ENGINEERING SEMESTER : FIFTH (NEW) SlNo. Subject Teaching Scheme Evaluation Scheme Total Marks Theory L T P Theory Practical End Exam Internal

More information

SECTION 4 ELECTRIC MOTORS UNIT 17: TYPES OF ELECTRIC MOTORS UNIT OBJECTIVES UNIT OBJECTIVES 3/21/2012

SECTION 4 ELECTRIC MOTORS UNIT 17: TYPES OF ELECTRIC MOTORS UNIT OBJECTIVES UNIT OBJECTIVES 3/21/2012 SECTION 4 ELECTRIC MOTORS UNIT 17: TYPES OF ELECTRIC MOTORS UNIT OBJECTIVES After studying this unit, the reader should be able to Describe the different types of open single-phase motors used to drive

More information

Research and Reviews: Journal of Engineering and Technology

Research and Reviews: Journal of Engineering and Technology Research and Reviews: Journal of Engineering and Technology Brushless Excitation System of Turbo Generator Komala Koila* Department of Electrical and Electronics, Khammam Institute of Technology and Sciences,

More information

A Electric Power / Controls SMART GRID TECHNOLOGIES 0.2 kw

A Electric Power / Controls SMART GRID TECHNOLOGIES 0.2 kw A Electric Power / Controls SMART GRID TECHNOLOGIES 0.2 kw TRAINING SYSTEM, MODEL 8010-C Shown with optional host computer. The Smart Grid Technologies Training System, Model 8010-C, combines Lab-Volt's

More information

Benefits of HVDC and FACTS Devices Applied in Power Systems

Benefits of HVDC and FACTS Devices Applied in Power Systems Benefits of HVDC and FACTS Devices Applied in Power Systems 1 P. SURESH KUMAR, 2 G. RAVI KUMAR 1 M.Tech Research Scholar, Priyadarshini Institute of Technology & Management 2 Associate Professor, Priyadarshini

More information

3. OPERATION 2.1. RESTRAINT CIRCUIT 2.6. INDICATING CIRCUIT 2.2. OPERATING CIRCUIT 2.7. SURGE PROTECTION CIRCUIT 2.3.

3. OPERATION 2.1. RESTRAINT CIRCUIT 2.6. INDICATING CIRCUIT 2.2. OPERATING CIRCUIT 2.7. SURGE PROTECTION CIRCUIT 2.3. 41-348.1H Type SA-1 2.1. RESTRAINT CIRCUIT The restraint circuit of each phase consists of a center-tapped transformer, a resistor, and a full wave rectifier bridge. The outputs of all the rectifiers are

More information

2012 Quick Reference Guide

2012 Quick Reference Guide Power Semiconductor Solutions 2012 Quick Reference Guide IGBTs Hybrid IGBTs MOSFET Modules IPMs DIPIPM Accessories Discrete Thyristors Discrete Rectifiers Thyristor and Diode Modules Fast Recovery and

More information

High Voltage Direct Current and Alternating Current Transmission Systems Conference. August Nari Hingorani

High Voltage Direct Current and Alternating Current Transmission Systems Conference. August Nari Hingorani High Voltage Direct Current and Alternating Current Transmission Systems Conference at EPRI Palo Alto CA August 30 31 2011 Scope of VSC Based Technology in HVDC and FACTS Nari Hingorani HVDC and FACTS:

More information

Table of Contents. Foreword...xiii. Chapter One Introduction, Objectives of the Guide...1

Table of Contents. Foreword...xiii. Chapter One Introduction, Objectives of the Guide...1 Table of Contents Foreword...xiii Chapter One Introduction, 9 1.1 Objectives of the Guide...1 Chapter Two Pumping System Hydraulic Characteristics, 3 2.1 System Characteristics...3 2.2 Pump Curves...9

More information

List of major equipment in Electrical Enginerring Department Labs

List of major equipment in Electrical Enginerring Department Labs High Voltage Lab (84.10sq.m) 1 150 KV Power Transformer with accessories 2 550 KV Impulse generator with accessories 3 1-Ph. ¼ HP 1425 rpm Motor 4 Surge Potentiometer 400 pfd 550KV 5 Impulse Surge Oscilloscope

More information

SDC,Inc. SCR-Regenerative Ac Drive

SDC,Inc. SCR-Regenerative Ac Drive SDC,Inc WWW.STEVENSDRIVES.COM APPLICATION NOTE #: AN_REG_GEN000 EFFECTIVE DATE: 12 MAR 02 SUPERSEDES DATE: Original NO. OF PAGES: 10 SCR-Regenerative Ac Drive Using a regeneration controller with adjustable-frequency

More information

Electric Power Technology Training Systems

Electric Power Technology Training Systems Electric Power Technology Training Systems 8010-00 LabVolt Series Datasheet Festo Didactic en 120 V - 60 Hz 03/2019 Table of Contents General Description 3 Electric Power Technology Training Program 4

More information

Thyristors Characteristics

Thyristors Characteristics Electrical Engineering Division Page 1 of 15 A thyristor is the most important type of power semiconductor devices. They are extensively used in power electronic circuits. They are operated as bi-stable

More information

Electrical Test of STATCOM Valves

Electrical Test of STATCOM Valves 21, rue d Artois, F-75008 PARIS 619 CIGRE 2016 http : //www.cigre.org Electrical Test of STATCOM Valves Baoliang SHENG 1, Christer DANIELSSON 1, Rolf NEUBERT 2, Juha TURUNEN 3, Yuanliang LAN 4, Fan XU

More information

KINGS COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING QUESTION BANK

KINGS COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING QUESTION BANK KINGS COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING QUESTION BANK NAME OF THE SUBJECT: EE 1001 SPECIAL ELECTRICAL MACHINES YEAR / SEM : IV / VII UNIT- I AC COMMUTATOR MOTORS

More information

UNIT-I ALTERNATORS PART-A

UNIT-I ALTERNATORS PART-A UNIT-I ALTERNATORS 1. What principle is used in Alternators? 2. What are the requirements of an alternator? 3. Mention the types of alternator rotor. 4. What is hunting in alternators? 5. What are the

More information

SINAMICS SM150. 4/2 Overview. 4/2 Benefits. 4/2 Design. 4/6 Function. 4/8 Selection and ordering data. 4/8 Options

SINAMICS SM150. 4/2 Overview. 4/2 Benefits. 4/2 Design. 4/6 Function. 4/8 Selection and ordering data. 4/8 Options /2 Overview /2 Benefits /2 Design /6 Function /8 Selection and ordering data /8 Options Technical data /1 General technical data /15 Control properties /15 Ambient conditions /16 Installation conditions

More information

Fast thyristors. When burning for induction heating solutions.

Fast thyristors. When burning for induction heating solutions. Fast thyristors. When burning for induction heating solutions. By Ladislav Radvan, ABB s.r.o., Semiconductors. Published by Power Electronics Europe (August 2014) Induction heating is one of the key metal

More information

A. Provide variable frequency drives to operate variable torque loads as shown on the Drawings and as specified herein.

A. Provide variable frequency drives to operate variable torque loads as shown on the Drawings and as specified herein. DIVISION 23 HEATING, VENTILATING, AND AIR CONDITIONING (HVAC) SECTION 23 90 71 PART 1 GENERAL 1.01 DESCRIPTION A. Provide variable frequency drives to operate variable torque loads as shown on the Drawings

More information

INTERNAL COMBUSTION ENGINES

INTERNAL COMBUSTION ENGINES Second Edition Fundamentals of INTERNAL COMBUSTION ENGINES Solenoid winding Electrical connection Pintle Valve needle Return spring H.N. Gupta FUNDAMENTALS OF INTERNAL COMBUSTION ENGINES SECOND EDITION

More information

Course Name: Electric Drives Course Code: EE 701 Credit: 4

Course Name: Electric Drives Course Code: EE 701 Credit: 4 Course Name: Electric Drives Course Code: EE 701 Credit: 4 Prerequisites: Sl. No. Subject Description Level of Study 01 Electrical Machine 02 Power Electronics DC Motor, Induction Motor Rectifier, Inverter(1

More information

ELECTRICAL POWER SYSTEMS 2016 PROJECTS

ELECTRICAL POWER SYSTEMS 2016 PROJECTS ELECTRICAL POWER SYSTEMS 2016 PROJECTS DRIVES 1 A dual inverter for an open end winding induction motor drive without an isolation transformer 2 A Robust V/f Based Sensorless MTPA Control Strategy for

More information

A PARALLEL SNUBBER CAPACITOR BASED HIGH STEP UP ISOLATED BIDIRECTIONAL FULL BRIDGE DC TO DC CONVERTER

A PARALLEL SNUBBER CAPACITOR BASED HIGH STEP UP ISOLATED BIDIRECTIONAL FULL BRIDGE DC TO DC CONVERTER Volume 115 No. 8 2017, 1-8 ISSN: 1311-8080 (printed version); ISSN: 1314-3395 (on-line version) url: http://www.ijpam.eu ijpam.eu A PARALLEL SNUBBER CAPACITOR BASED HIGH STEP UP ISOLATED BIDIRECTIONAL

More information

VALLIAMMAI ENGINEERING COLLEGE MECHANICAL ENGINEERING ANNA UNIVERSITY CHENNAI II YEAR MECH / III SEMESTER EE6351 - ELECTRICAL DRIVES AND CONTROL (REGULATION 2013) UNIT I INTRODUCTION PART-A (2 MARKS) 1.

More information

EPRLAB FAQ v1.0 Page 1 / 8 Copyright EPRLAB December 2015

EPRLAB FAQ v1.0 Page 1 / 8 Copyright EPRLAB December 2015 e EPRLAB FAQ v1.0 Page 1 / 8 e EPRLAB Electric Power Research Laboratory, EPRLAB is a high-tech power electronics company that has been specialized on design, manufacturing and implementation of industrial

More information

Tiruchengode, Tamil Nadu, India

Tiruchengode, Tamil Nadu, India A Review on Facts Devices in Power System for Stability Analysis 1 T. Tamilarasi and 2 Dr. M. K. Elango, 1 PG Student, 3 Professor, 1,2 Department of Electrical and Electronics Engineering, K.S.Rangasamy

More information

A Novel DC-DC Converter Based Integration of Renewable Energy Sources for Residential Micro Grid Applications

A Novel DC-DC Converter Based Integration of Renewable Energy Sources for Residential Micro Grid Applications A Novel DC-DC Converter Based Integration of Renewable Energy Sources for Residential Micro Grid Applications Madasamy P 1, Ramadas K 2 Assistant Professor, Department of Electrical and Electronics Engineering,

More information

Hybrid Vehicles. Electric and. Design Fundamentals. Iqbal Husain SECOND EDITION. Taylor & Francis Group, an informa business

Hybrid Vehicles. Electric and. Design Fundamentals. Iqbal Husain SECOND EDITION. Taylor & Francis Group, an informa business Electric and Hybrid Vehicles Design Fundamentals SECOND EDITION Iqbal Husain CRC Press is an imprint of the Taylor & Francis Group, an informa business 2.6.1.1 Contents Preface Acknowledgments Author xv

More information

Introduction to Variable Speed Drives. Pekik Argo Dahono Electrical Energy Conversion Research Laboratory. Institute of Technology Bandung

Introduction to Variable Speed Drives. Pekik Argo Dahono Electrical Energy Conversion Research Laboratory. Institute of Technology Bandung Introduction to Pekik Argo Dahono Electrical Energy Conversion Research Laboratory Institute of Technology Bandung Why Electric Drives Electric drives are available in any power. They cover a wide range

More information

A Review on Reactive Power Compensation Technologies

A Review on Reactive Power Compensation Technologies IJSRD - International Journal for Scientific Research & Development Vol. 4, Issue 11, 2017 ISSN (online): 2321-0613 A Review on Reactive Power Compensation Technologies Minal Dilip Sathe 1 Gopal Chaudhari

More information

PLC Based Closed Loop Speed Control Of DC Shunt Motor

PLC Based Closed Loop Speed Control Of DC Shunt Motor ISSN: 2454-2377, PLC Based Closed Loop Speed Control Of DC Shunt Motor Mahesh Kumar K M 1 & Dr. P S Puttaswamy 2 1 Assistant Professor, Dept. of Electrical & Electronics Engineering PES College of Engineering,

More information

Diesel-Electric Propulsion Systems Power under Control

Diesel-Electric Propulsion Systems Power under Control Diesel-Electric Propulsion Systems Power under Control Diesel-Electric Propulsion Systems Advantages Low Noise and Vibration Electric propulsion drives are unsurpassed for their quietness of operation.

More information

Thyristors Zheng Yang (ERF 3017,

Thyristors Zheng Yang (ERF 3017, ECE442 Power Semiconductor Devices and Integrated Circuits Thyristors Zheng Yang (ERF 3017, email: yangzhen@uic.edu) Background The silicon controlled rectifier (SCR) or thyristor proposed by William Shockley

More information

Electrical Power System Essentials

Electrical Power System Essentials Electrical Power System Essentials Pieter Schavemaker and Lou van der Sluis Delft University of Technology, the Netherlands John Wiley & Sons, Ltd Contents Preface ix 1 Introduction to Power System Analysis

More information

Syllabus for the Trade of Electrician Duration : Six Month Second Semester Semester Code: ELE: SEM II

Syllabus for the Trade of Electrician Duration : Six Month Second Semester Semester Code: ELE: SEM II Syllabus for the Trade of Electrician Duration : Six Month Second Semester Semester Code: ELE: SEM II Week Trade practical No. 1-2 Different wave shapes of rectifiers and their values using C.R.O. Identification

More information

From Discrete IGBT Modules to Power Stacks

From Discrete IGBT Modules to Power Stacks From Discrete IGBT Modules to Power Stacks APEC 2015 March 19 th 2015 Charlotte, NC SEMIKRON Inc. G. Genet P. Drexhage K. Haddad Slide - 1 - What is a power stack? 1. Heatsink 2. Thermal Interface Material

More information

TUTORIAL 1 : SIMSEN OVERVIEW. Table of contents

TUTORIAL 1 : SIMSEN OVERVIEW. Table of contents SIMSEN 2.3 : Modular SImulation software for the analysis of ENergy conversion Systems 22 TUTORIAL : SIMSEN OVERVIEW Table of contents page Introduction...2 2 Application fields...2 2. Electrical power

More information

ELECTRIC TRACTION.

ELECTRIC TRACTION. ELECTRIC TRACTION www.koncar.hr MODERNISATION ELECTRIC TRACTION VEHICLES Company KON AR - ELECTRIC VEHICLES Inc. upgrades electric locomotives, electric multiple unit and electric tramcars. Upgrading proceedings

More information

DC-DC CONVERTER. 5.1 Advantages & Disadvantages of DC-DC Converters

DC-DC CONVERTER. 5.1 Advantages & Disadvantages of DC-DC Converters CHAPTER 5 DC-DC CONVERTER As the current trend is to go green research in automobile industry is on a focus to reduce pollution. In this regard fuel cells are gaining prominence and this technology is

More information

POWER ELECTRONICS TITLES LeMeniz Infotech

POWER ELECTRONICS TITLES LeMeniz Infotech POWER ELECTRONICS TITLES -2017 LeMeniz Infotech 36, 100 feet Road, Natesan Nagar(Near Indira Gandhi Statue and Next to Fish-O- Fish), Pondicherry-605 005 Web : www.ieeemaster.com / www.lemenizinfotech.com

More information

1. RENEWABLE ENERGY I.SOLAR ENERGY PROJECT TITLES WE CAN ALSO IMPLEMENT YOUR OWN CONCEPT/IDEA

1. RENEWABLE ENERGY I.SOLAR ENERGY PROJECT TITLES WE CAN ALSO IMPLEMENT YOUR OWN CONCEPT/IDEA 1. RENEWABLE ENERGY I.SOLAR ENERGY S.NO PROJECT CODE PROJECT TITLES YEAR 1 ITPW01 Highly efficient asymmetrical pwm full-bridge renewable energy sources converter for 2 ITPW02 A Three Phase Hybrid Cascaded

More information

QUESTION BANK III YEAR / V SEM CONTROL OF ELECTRICAL MACHINES UNIT I CONTROL CIRCUIT COMPONENTS PART - A

QUESTION BANK III YEAR / V SEM CONTROL OF ELECTRICAL MACHINES UNIT I CONTROL CIRCUIT COMPONENTS PART - A PERIYAR CENTENARY POLYTECHNIC COLLEGE Periyar Nagar, Vallam 613 403, Thanjavur AUTONOMOUS INSTITUTION DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING QUESTION BANK III YEAR / V SEM CONTROL OF ELECTRICAL

More information

EE 842: ELECTRIC POWER SYSTEM IV (3-1-0) Full marks: Theory 100 Sessional=75

EE 842: ELECTRIC POWER SYSTEM IV (3-1-0) Full marks: Theory 100 Sessional=75 EE 842: ELECTRIC POWER SYSTEM IV (3-1-0) Full marks: Theory 100 Sessional=75 1. Thermal Power Plant: Thermal power plant economical, and ecological. Line diagram of thermal power plant- Boiler: classifications

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

A CURRENT-SOURCE-INVERTER-FED INDUCTION MOTOR DRIVE SYSTEM WITH REDUCED LOSSES

A CURRENT-SOURCE-INVERTER-FED INDUCTION MOTOR DRIVE SYSTEM WITH REDUCED LOSSES A CURRENT-SOURCE-INVERTER-FED INDUCTION MOTOR DRIVE SYSTEM WITH REDUCED LOSSES ABSTRACT Avala Rohith Kumar Student(M.Tech), Electrical Dept, Gokul group of institutions, Visakhapatnam, India. This project

More information

Devices and their Packaging Technology

Devices and their Packaging Technology 4 th Workshop Future of Electronic Power Processing and Conversion Devices and their Packaging Technology May 2001 Werner Tursky SEMIKRON ELEKTRONIK GmbH Nuremberg, Germany 1 1. Devices 2. From Discrete

More information

TSTE25 Power Electronics. Lecture 4 Tomas Jonsson ISY/EKS

TSTE25 Power Electronics. Lecture 4 Tomas Jonsson ISY/EKS TSTE25 Power Electronics Lecture 4 Tomas Jonsson ISY/EKS 2016-11-09 2 Outline The thyristor Controlled rectifier and inverters Single phase Three phase 2016-11-09 3 Thyristors Only possible to turn on

More information

Exercise 7. Thyristor Three-Phase Rectifier/Inverter EXERCISE OBJECTIVE DISCUSSION OUTLINE DISCUSSION. Thyristor three-phase rectifier/inverter

Exercise 7. Thyristor Three-Phase Rectifier/Inverter EXERCISE OBJECTIVE DISCUSSION OUTLINE DISCUSSION. Thyristor three-phase rectifier/inverter Exercise 7 Thyristor Three-Phase Rectifier/Inverter EXERCISE OBJECTIVE When you have completed this exercise, you will know what a thyristor threephase rectifier/limiter (thyristor three-phase bridge)

More information

EE6351 ELECTRICAL DRIVES AND CONTROL UNIT 5 CONVENTIONAL AND SOLID STATE SPEED CONTROL OF A.C. DRIVES PART A

EE6351 ELECTRICAL DRIVES AND CONTROL UNIT 5 CONVENTIONAL AND SOLID STATE SPEED CONTROL OF A.C. DRIVES PART A EE6351 ELECTRICAL DRIVES AND CONTROL UNIT 5 CONVENTIONAL AND SOLID STATE SPEED CONTROL OF A.C. DRIVES PART A 1. What are the different types of slip power control system? Kramer system, Scherbius system..

More information

Physics of Semiconductor Devices Chapter 4: Thyristors

Physics of Semiconductor Devices Chapter 4: Thyristors Physics of Semiconductor Devices Chapter 4: Thyristors 4.1: Introduction 4.2: Basic characteristics 4.3: Shockley diode and three-terminal thyristor 4.4: Related power thyristors 4.5: Diac and triac 4.6:

More information

4100C BOSS AC Shovel Drive System Overview. WMEA Edmonton - June 2008

4100C BOSS AC Shovel Drive System Overview. WMEA Edmonton - June 2008 4100C BOSS AC Shovel Drive System Overview WMEA Edmonton - June 2008 Overview Drives Partnership with ABB Deck Plan / One-Line Schematic ISU (IGBT Supply Unit) Shovel Motion Inverters Cabling / Grounding

More information

Rich, unique history of engineering, manufacturing and distributing

Rich, unique history of engineering, manufacturing and distributing Rich, unique history of engineering, manufacturing and distributing United Silicon Carbide, inc. is a semiconductor company specializing in the development of high efficiency Silicon Carbide (SiC) devices

More information

Learning Objectives:

Learning Objectives: Topic 5.5 High Power Switching Systems Learning Objectives: At the end of this topic you will be able to; recall the conditions under which a thyristor conducts; explain the significance of the following

More information

SE-3SCR-LM MANUAL MOTOR LOAD MANAGER

SE-3SCR-LM MANUAL MOTOR LOAD MANAGER 3714 Kinnear Place Saskatoon, SK Canada S7P 0A6 Ph: (306) 373-5505 Fx: (306) 374-2245 www.littelfuse.com/relayscontrols SE-3SCR-LM MANUAL MOTOR LOAD MANAGER MARCH 5, 2013 REVISION 4 MOTOR LOAD MANAGER

More information