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Machine

Speed Control Of D.C. Shunt Motor : Flux Control

Speed Control of D.C. Shunt Motor (Part1) 1. Flux Control As indicated by the speed equation, the speed is inversely proportional to…

DC Motor

Why Series Motor Is Never Started On No Load?

It is seen earlier that motor armature current is decided by the load. On light load or no load, the armature current…

Machine

Applications Of D.C. Motors

Instead of just stating the applications, the behaviour of the various characteristics like speed, starting torque etc., which makes the motor more…

Machine

Armature Voltage Control Method Or Rheostatic Control Of Dc Motor

Speed Control of D.C. Shunt Motor (Part2) 2. Armature Voltage Control Method or Rheostatic Control The speed is directly proportional to the…

DC Motor

Applied Voltage Control Method Of Dc Motor

Speed Control of D.C. Shunt Motor (Part3) 3. Applied Voltage Control  Multiple voltage control : In this technique the shunt field of the…

DC Motor

Characteristics Of D.C. Compound Motor

Compound motor characteristics basically depends on the fact whether the motor is cumulatively compound or differential compound. All the characteristics of the…

Machine

Characteristics Of D.C. Shunt Motor

i) Torque - Armature current characteristics For a d.c. motor                 T α  Φ Ia For a constant values of Rsh and supply…

Tutorials

Effect Of The Armature Reaction On Performance Of A D.C. Motor

The armature reaction is nothing but the effect of flux produced by armature conductors on the distribution of main flux due to…

Tutorials

Characteristics Of D.C. Series Motor

i) Torque - Armature current Characteristics In case of series motor the series field winding is carrying the entire armature current. So…

Single Phase Induction Motor

Single Phase Induction Motor Interview Questions Part1

Q1: Where do we require single-phase induction motors? Ans: Single-phase induction motors are required where (i) 3 phase supply is not available (ii)…