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Course Outline
Description: Electrical machines have permeated our daily lives. Staring from the large generators that supply power to all our homes, commercial motors used in rolling mills, factories, automotive industries, robotic systems, escalators, elevators, air conditioners, compressors, trains, electric cars, electric systems in our automobiles, washers, dryers, fans, conveyer belts, right down to toy motors which kids play with, it is hard to think of a day in which each one of us have not interacted with electrical machines. A thorough understanding of the basic operating principles of these machines is therefore essential to derive the maximum benefit from their utilization. This seminar is geared to provide a comprehensive understanding of fundamental concepts of electric machines together with several solved examples. Most importantly, this seminar will illustrate the applications of different types of machines so that an appropriate selection of a machine can be made for a given application. This seminar is a MUST for anyone who is involved in electric machines design, operation and management. Objectives The aim of this course is to provide an understanding of the basic principles, modeling, and operating characteristics of various types of conventional DC and AC machines, special purpose machines, and transformers. The special features of different machines that make them suitable for specific applications will be presented. Techniques for starting, speed control and braking will be demonstrated. Calculations of losses and efficiency of various motors will be illustrated. Who Should Attend Engineers, Managers, Designers, Technologists and Operators of electrical machines should attend this course. This seminar will be valuable for all those who wish to acquire or refresh knowledge of electrical machines concepts and utilize these in addressing a wide range of industrial and commercial needs. After Attending This Course You Will Be Able To: Understand the basic operating principles of transformer and different conventional DC and AC electric machines Comprehend the concepts of special motors and their applications Predict analytically the dynamic behaviour of different types of electric motors Identify the motors used in different household, industrial and commercial applications Design the speed control mechanisms and braking of different types of motors. Select the most suitable electric machine for a given application Program Outline Day I INTRODUCTION TO MECHANICS Rotational Motion Torque, Power and Efficiency in Electric Motors Power Flow in an Electromechanical System Motor driving a load BASIC CONCEPTS OF MAGNETIC CIRCUITS Magnetic Field Intensity and Flux Density B-H Relationships Faraday’s Law of Electromagnetic Induction Voltage Induced in a Conductor Force on a Conductor in a Magnetic Field Hysteresis and Eddy Currents Active, Reactive and Total Power in Electric Circuits TRANSFORMERS Ideal Transformer Construction and Operating Principles of a Practical Transformer Equivalent Circuit of a Transformer Transformer Taps, Voltage Regulation and Efficiency Autotransformer Three Phase Transformers Transients and Harmonics in Three Phase Transformer Banks Special Transformers Examples Applications of Transformers DC MACHINES Construction Principle of Operation Equivalent Circuit of DC Machines DC Generators Separately Excited DC Generator Shunt (Self-Excited DC Generator) Compound DC Generator Series Generator DC Motors Shunt Motor Series Motor DC Motor Starter Speed Control Braking Losses and Efficiency of DC Machines Permanent Magnet DC Motors Printed Circuit Board ( PCB) Motors Examples Applications of DC Machines Day II INDUCTION MOTORS Construction Rotating Magnetic Field Principle of Operation Equivalent Circuit of Induction Motors Torque-Speed Characteristics Starting Induction Motors Speed Control of Induction Motors Determination of Induction Motor Parameters Through Tests Types of Induction Motors Induction Generator Linear Induction Motor Examples Applications of Induction Machines SYNCHRONOUS GENERATORS Construction Principle of Operation Equivalent Circuit of a Synchronous Generator Determination of Synchronous Generator Parameters Through Tests Synchronous Generator under Load Synchronous Generator Connected to an Infinite Bus Parallel Operation of Synchronous Generators Capability Curves Transient Operation of Synchronous Generator Examples Applications of Synchronous Generators Day III SYNCHRONOUS MOTORS Principle of Operation Starting a Synchronous Motor Field Excitation and Reactive Power Synchronous Condenser –“V” Curves Speed Control of Synchronous Motor Examples Applications of Synchronous Motors SINGLE PHASE AND SPECIAL MOTORS Universal Motor Single Phase Induction Motors Equivalent Circuit Model Starting Single Phase Induction Motors Speed Control Single Phase Synchronous Motor Reluctance Motor Hysteresis Motor Servomotors Stepper Motor Brushless DC Motor Examples Applications of Single Phase and Special Motors Instructor Dr. Rajiv K. Varma, SMG Power Consultant, obtained his B.Tech. and Ph.D. degrees in Electrical Engineering from Indian Institute of Technology (IIT), Kanpur, India, in 1980 and 1988, respectively. He is currently an Associate Professor at the University of Western Ontario (UWO), Canada. Prior to this position, he was a faculty member in the Electrical Engineering Department at IIT Kanpur, India, from 1989-2001. While in India, he was awarded the Government of India BOYSCAST Young Scientist Fellowship in 1992-93 to conduct research on Flexible AC Transmission System (FACTS) at the University of Western Ontario (UWO). He also received the Fulbright grant of the U.S. Educational Foundation in India, to conduct research in FACTS at Bonneville Power Administration (B.P.A.), Portland, Oregon, USA, during May-Aug. 1998. Dr. Rajiv Varma has received nine Teaching Excellence awards both at the Faculty of Engineering and University level at The University of Western Ontario in his eight years tenure. He has taught undergraduate courses on Electric Power Systems, Electric Machines, Electric Energy Conversion involving conventional and renewable energy systems, and graduate course on Flexible AC Transmission Systems (FACTS). Dr. Varma has co-authored the book “Thyristor-Based FACTS Controllers for Electrical Transmission Systems” published by IEEE Press and John Wiley & Sons. This book is being used as a textbook in several Universities and is serving as an important comprehensive resource for academicians, students and practicing engineers in FACTS technology, worldwide. This book has also been translated into Chinese by Wiley. He has been the Editor of IEEE Transactions on Power Delivery from 2003-2008. He is the Chair of IEEE Working Group on "FACTS and HVDC Bibliography" and is active on a number of other IEEE working groups. Rajiv Varma has delivered several Tutorials on “Static Var Compensator (SVC)” conducted by the IEEE Substations Committee SVC Working Group, in IEEE Conferences. He has also conducted several courses and Tutorials on FACTS, internationally. His research interests include FACTS, power systems stability, and grid integration of wind and photovoltaic solar power systems. He currently co-leads a pioneering $ 6 million project on “Large-Scale Photovoltaic Solar Power Integration in Transmission and Distribution Networks” funded by the Ontario Centres of Excellence in Ontario, Canada.
Prerequisites & Certificates


Certificates offered

1.8 CEUs / 18 PDHs

Cancellation Policy
If you wish to withdraw from a course, you must advise us, in writing, including the official receipt. Our policies regarding refund are:

More than fifteen business days in advance: a full refund minus $50.00 administration charge.

Fifteen or less business days in advance: a transfer to another course or a credit, valid for one year, to another GIC course can be considered. Credits are transferable within your organization.

If the course has been running for more than 2 weeks, or after the course has started, an 80% credit towards another GIC course may be considered, if notice is received before the start date of the second session. After this time, no refunds or credits will be issued. If a speaker is not available due to unforeseen circumstances, another speaker of equal ability will be substituted.

GIC reserves the right to cancel or change the date or location of its events. GIC's responsibility will, under no circumstances, exceed the amount of the fee collected. GIC is not responsible for the purchase of non-refundable travel arrangements or accommodations or the cancellation/change fees associated with cancelling them. Please call to confirm that the course is running before confirming travel arrangements and accommodations.

Refund Policy: Allow up to 30 days for refunds to be processed.

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