ONLINE ELECTRICAL ENGINEERING will contain ELECTRICAL ENGINEERING QUESTIONS & ANSWERS,ELECTRICAL INTERVIEW QUESTION & ANSWERS and important topics from ELECTRICAL MACHINES, POWER SYSTEMS ,POWER ELECTRONICS AND DRIVES and other ELECTRICAL ENGINEERING SUBJECTS.Objective tests will be conducted periodically which would be useful for exams like POWERGRID , NTPC ,NHPC ,ENGINEERING SERVICES ,IES ,ETC..FEEL FREE TO ASK YOUR DOUBTS REGARDING ELECTRICAL SUBJECTS.
Thursday, May 13, 2010
SPEED CONTROL OF DC MOTORS
Speed control of DC Shunt motors are done by i) Flux Control method. ii) Armature Control method iii) Voltage Control method.
Speed control of DC Series motors are done by i)Flux Control method. ii) Variable Resistance in series with motor.
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