Interview Question Of Dc Motor Part 2
Q1.What is the principle of the DC Motor ? A. If the current carrying conductor is placed in the maganetic field, mechanical…
Factors Affecting The Speed Of A D.C. Motor
According to the speed equation of a d.c. motor we can write, The factors Z, P, A are constants for a d.c.…
Rheostatic Control
Speed Control of D.C. Series Motor (Part2) 2. Rheostatic Control In this method, a variable resistance (Rx) is inserted in series with…
Speed Control Of D.C. Series Motor : Flux Control
Speed Control of D.C. Series Motor (Part1) The flux produced by the winding depends on the m.m.f. i.e. magnetomotive force which is…
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…
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…
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…
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…
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…
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…