Brushless DC Motor

Brushless DC Motor

Brushless DC Motor: The term Brushless DC Motor is applied to many configurations of ac synchronous motors in which semiconductor control is used to control stator currents such that maximum…

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Parallel Operation of Synchronous Generator

Parallel Operation of Synchronous Generator

Parallel Operation of Synchronous Generator: We already know that synchronous machine connected to infinite bus-bars. Parallel Operation of Synchronous Generator of two finite size will be considered, which is the…

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Synchronous Machine Operation

Synchronous Machine Operation

Synchronous Machine Operation: The Synchronous Machine Operation are examined here under conditions of variable load and variable excitation. One of these quantities will be assumed to be held constant at…

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Equivalent Circuit of Synchronous Motor

Equivalent Circuit of Synchronous Motor

Equivalent Circuit of Synchronous Motor: By assuming linearity of the magnetic circuit, it is possible to obtain simple Equivalent Circuit of Synchronous Motor. The validity of this assumption stems from…

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What is Synchronous Motor

What is Synchronous Motor | Construction | Advantages: A synchronous Motor is one of the important types of electric machines; in fact all generating machines at power stations are of…

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Braking of DC Motors

Braking of DC Motors

Braking of DC Motors: Controlled slowing or stopping of a motor and its driven load is as important as starting in many applications (e.g. cranes, traction on a slope to…

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Starting of DC Motors

Starting of DC Motors

Starting of DC Motors: At the time of Starting of DC Motors (n = 0), the induced emf of a motor is zero such that the current drawn from rated…

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