Tutors

The Diploma

PROGRAM OVERVIEW

CURRICULUM

  Introduction & Marks Weightage of DC Machines

  • Introduction & Marks Weightage of DC Machines

  Basics of DC Machines

  • Basics of DC Machines
  • Right Hand Thumb Rule
  • Lenz's Law

  Faraday's Laws of Electromagnetic Induction

  • Faraday's Laws of Electromagnetic Induction

  Fleming's Rule

  • Fleming's Left Hand Rule
  • Fleming's Right Hand Rule

  Simple Loop Generator

  • Working Principle of Simple Loop Generator

  Construction of DC Machine

  • Construction of DC Machine
  • Magnetic Frame/Yoke of DC Machine

  Pole Core and Pole Shoe in a DC Machine

  • Pole Core and Pole Shoe in a DC Machine
  • Function of Pole Core and Pole Shoe in a DC Machine

  Armature, Commutator and Brushes in DC Machine

  • Armature in DC Machine
  • Commutator in DC Machine
  • Brushes in DC Machine

  Armature Windings of DC Machine

  • Introduction to Armature Winding in DC Machine
  • Lap Winding and Wave Winding in DC Machine

  E.M.F Equation of DC Machine

  • E.M.F Equation of DC Machine
  • Back EMF of DC Motor
  • Torque Equation of DC Machine

  Classifications of DC Machines

  • Types of DC Machines
  • Separately Excited DC Machine
  • Self Excited DC Machine

  Self Excited DC Machines

  • DC Shunt Machine
  • DC Series Machine
  • DC Compound Machine

  Armature Reaction in DC Machine

  • Introduction to Armature Reaction in DC Machine
  • Effect of Armature Flux on Main Field Flux in DC Machine

  Demagnetising and Cross Magnetising Effect in DC Machine

  • Demagnetising Effect in DC Machine
  • Cross Magnetising Effect and Demagnetising Effect Resultant

  Graphical Representation of Armature Reaction in DC Machine

  • Graphical Representation of Armature Reaction in DC Machine
  • Shape of Flux in Armature Reaction

  Effect of Brush Shift in DC Machine

  • Demagnetising Effect of Armature Reaction in DC Machine
  • Effect of Brush Shift in DC Machine

  Demagnetising and Cross Magnetising AT/ Pole

  • Demagnetising and Cross Magnetising AT/Pole in DC Machine
  • Compensating Winding in DC Machine

  Commutation in DC Machine

  • What is Commutation
  • Description of Commutation
  • Time of Commutation
  • Types of Commutation

  Reasons For Delayed Commutation

  • Reasons for Delayed Commutation
  • Reactance Voltage
  • CME of Armature Reaction

  Commutation Methods in a DC Machine

  • Commutation Methods in DC Machine
  • Resistance Commutation in DC Machine
  • Interpoles in DC Machine

  Voltage Build Up in DC Shunt Generator

  • Residual Magnetism
  • Voltage Build Up in DC Shunt Generator

  Characteristics of DC Generator

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  Characteristics of DC Shunt Generator

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  Characteristics of DC Series Generator

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  Characteristics of DC Compound Generator

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  Voltage Regulation of DC Generator

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  Characteristics of DC Shunt Motor

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  Characteristics of DC Series Motor

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  Characteristics of DC Compound Motor

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  Effect of Open Circuit in Field Winding of DC Shunt Motor

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  Direction For Rotation of DC Shunt Motor

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  Speed Regulation of DC Motor

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  Power Flow in DC Machines

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  Testing of DC Machines

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  Swinburnes Test

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  Hopkinson's Test

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  Speed Control of DC Motors

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  Types of Speed Control Methods in DC Motors

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  Speed Control of DC Shunt Motor

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  Speed Control of DC Series Motor

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  Series and Parallel Speed Control in DC Series Motor

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  Ward Leonard Method of Speed Control

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  Separetely Excited DC Motor Speed Control

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  Electric Braking in DC Motors

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  Starters in DC Motors

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  Ecet Questions & Answers on DC Machines Module-1

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  Ecet Questions & Answers on DC Machines Module-2

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