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Electrical Machines Objective Questions & Answers

S Bharadwaj Reddy
Electrical Machines Objective Questions & Answers Q.1 The two winding’s of a transformer are (A) conductively linked. (B) inductively linked. (C) not linked at all. (D) electrically linked. Q.2 A salient

Latest Electrical Motors Questions and Answers

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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 Questions and Answers

S Bharadwaj Reddy
Lap winding is suitable for high current and low voltage generators while wave winding is suitable for high voltage and low current generators. >Lap winding is suitable for high current

Electrical Machines Short Answers

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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

Questions and Answers in Electrical Machines

S Bharadwaj Reddy
[1] What is an ideal transformer? The ideal transformer should have the following properties: It has no losses Its windings have zero resistance It should have zero leakage flux (100%

Electrical Machines Interview Questions and Answers

S Bharadwaj Reddy
[1] Why is the efficiency of a three-phase Induction Motor is less than that of a three-phase Transformer?  Three phase Induction motor is nothing but a rotating transformer. Due to

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  

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