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Latest Electrical Motors Questions and Answers

S Bharadwaj Reddy
How do the new IE efficiency classes compare with the old EFF efficiency classes? The new IS: 12615-2011 defines the following efficiency classes of low-voltage three phase asynchronous motors in...

Electrical Machines Objective Questions

S Bharadwaj Reddy
Electrical Machines Questions & Answers 1. Magnetic Circuits Principle of Energy Conversion Excited Magnetic Systems 2. Basic Concepts in Rotating Machines Reluctance Motor Doubly Excited Magnetic Systems Elementary Synchronous Machines...

Electrical Machines Short Answers

S Bharadwaj Reddy
1. Why almost all large size Synchronous machines are constructed with rotating field system type? The following are the principal advantages of the rotating field system type construction of Synchronous...

Autotransformers

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Transformers Questions & Answers Autotransformers  ...

Three Phase Transformers

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Transformers Questions & Answers Three Phase Transformers    ...

Transformer Losses and Efficiency

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Transformers Questions & Answers Transformer Losses and Efficiency  ...

Transformer Open Circuit and Short Circuit Test

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Transformers Questions & Answers Transformer Open Circuit and Short Circuit Test    ...

Transformer Construction

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Transformers Questions & Answers Transformer Construction  ...

Voltage Regulation of Transformer

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Transformers Questions & Answers Voltage Regulation of Transformer  ...

Equivalent Circuit of Transformer

S Bharadwaj Reddy
Transformers Questions & Answers Equivalent Circuit of Transformer  ...

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