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Rotating Magnetic Field

Rotating Magnetic Field: Rotating Magnetic Field - It was seen earlier that the sinusoidal current in any phase of an ac winding produces a pulsating mmf wave in space whose…

Sinusoidally Distributed Current Sheet Concept

Sinusoidally Distributed Current Sheet Concept: It was seen above that a distributed winding gives rise to a stepped mmf wave having a strong fundamental component which will be considered in…

Synchronous Generator with Distributed Winding

Synchronous Generator with Distributed Winding: Synchronous Generator with Distributed Winding - It may be seen from Eq. (5.7) that the flux/pole is limited by the machine dimensions and the peak…

Tap Changing Transformer

Tap Changing Transformer | Off Load Tap Changer |On Load Tap Changing: Tap Changing Transformer -Voltage variation in power systems is a normal phenomenon owing to the rapid growth of…

Choice of Transformer Connection Diagram

Choice of Transformer Connection Diagram: The different choice of Transformer Connection Diagram are namely, Star/star: This is economical for small HV transformers as it minimizes the turns/phase and winding insulation.…

Voltage Regulation Formula of Transformer

Voltage Regulation Formula of Transformer: Voltage Regulation Formula - Constant voltage is the requirement of most domestic, commercial and industrial loads. It is, therefore, necessary that the output voltage of…

Transformer Efficiency Formula

Transformer Efficiency Formula: Power and distribution transformers are designed to operate under conditions of constant rms voltage and frequency and so the efficiency and voltage regulation are of prime importance.…

How does a Transformer Work and Purpose of Transformer

How does a Transformer Work and Purpose of Transformer: How does a Transformer Work - A Transformer Circuit is a static device comprising coils coupled through a magnetic medium connecting…