Ward Leonard Method of Speed Control

Ward Leonard Method of Speed Control: Known after the name of its inventor Ward Leonard Method of Speed Control (1891), it consists of a separately excited generator feeding the dc…

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DC Motor Drives Articles

DC Motor Drives Articles: Armature Voltage Control using Transformer : Variable voltage for the dc motor control can also be obtained by either using an auto-transformer or a Armature ...…

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DC Machines Articles

DC Machines Articles: Armature Control : Armature Control – The main requirement of this control scheme is a variable voltage supply to ... Armature Reaction : When the armature of…

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Fundamentals of Electrical Drives Articles

Fundamentals of Electrical Drives Articles:   This Fundamentals of Electrical Drives Articles which includes the following topics: Electric Drive Motor Types of Electrical Drives Choice of Electrical Drives Torque Equation…

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Torque Equation of DC Motor

Torque Equation of DC Motor: When dc voltage is applied to the armature of a dc motor with its field excited by dc, a torque is developed and the armature…

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Electrical Drives Articles

Electrical Drives Articles: Advantage and Disadvantage of Stepper Motors Application of Variable Speed Drives Armature Voltage Control using Transformer Battery Powered Vehicles Braking of Induction Motor Drive Braking of Single…

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DC Motor Speed Control

DC Motor Speed Control: In the foregoing sections we discussed the torque-speed characteristics of dc motors, bringing out the effects of armature voltage variation and field current on them. The…

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