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Learning Path

Non-Linear: Random Order

About the Course

Dear Students

This course is offered under Syllabus Completion program. It will help the students to revise and summarize your core topics for better preparation for semester exam. The course scheduled for 15 to 20 hours to covers the core topics by the faculty those who are currently teaching this course

Schedule

This course delivered by Dr.D. Lakshmi 

Live teaching from 1st June 2020 to 25^th June 2020

Registration from on 7^th May 2020 to 30^th May 2020 

OBJECTIVES

• To introduce techniques of magnetic-circuit analysis and introduce magnetic materials
• To familiarize the constructional details, the principle of operation, prediction of performance, the methods of testing the transformers and three phase transformer connections.
• To study the working principles of electrical machines using the concepts of electromechanical energy conversion principles and derive expressions for generated voltage and torque developed in all Electrical Machines.
• To study the working principles of DC machines as Generator types, determination of their noload/ load characteristics, starting and methods of speed control of motors.
• To estimate the various losses taking place in D.C. Motor and to study the different testing methods to arrive at their performance.

Topics Focused On

• Magnetic circuits –Laws governing magnetic circuits - Flux linkage, Inductance and energy - Statically and Dynamically induced EMF - Torque
• Properties of magnetic materials, Hysterisis and Eddy Current losses
• AC excitation, introduction to permanent magnets-Transformer as a magnetically coupled circuit
• Construction – principle of operation - equivalent circuit parameters – phasor diagrams- losses – testing
• Efficiency and voltage regulation-all day efficiency - Sumpner’s test, per unit representation- inrush current - three phase transformers
• connections Scott Connection – Phasing of transformer - parallel operation of three phase transformers-auto transformer- tap changing transformers- tertiary winding
• Energy in magnetic system – Field energy and coenergy-force and torque equations
• singly and multiply excited magnetic field systems
• mmf of distributed windings – Winding Inductances-, magnetic fields in rotating machines- rotating mmf waves – magnetic saturation and leakage fluxes
• Construction and components of DC Machine – Principle of operation - Lap and wave windings-EMF equations
• circuit model – armature reaction –methods of excitation-commutation and interpoles
• compensating winding –characteristics of DC generators
• Principle and operations - types of DC Motors – Speed Torque Characteristics of DC Motors- -.
• starting and speed control of DC motors –Plugging, dynamic and regenerative braking
• testing and efficiency – Retardation test- Swinburne’s test and Hopkinson’s test - Permanent magnet dc motors(PMDC)-DC Motor applications

Features

• Online live Teaching
• Limited Participants Only
• Taught by Experts those who are teaching the syllabus Currently
• Selected and core Topics will be handled
• Lecture Notes will be provided
• Question Banks will be provided

For Further Details

Dr.A.Clementking

Director

INTEGRATED INTELLIGENT RESEARCH (IIR)

No 29 E,  Sarojammal Complex 1st Floor,Keelkattalai, Chennai - 600117,

Mobile : +91 -9884568399 ;+91 9791163515. Email : iirindia2020@gmail.com

Web : www.iirgroups.org