Define open loop control system.

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why is efficiency of transformer more than that of other rotating machines?

1 Answers  

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How to calculate cable size for a particular load? i have 12 MW,11KV Motor 3 Phase, what should be cablesize? What are the points to remember for cable sizing calculations?

2 Answers  

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in electrical control panel. how can i choose the cable rating. (example - 11kw motor, 18-25A mpcb}

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star delta starter contorl circuit... drawing..

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why do you give the dc supply to field of alternator

3 Answers  

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how to calculate cable bending angle in a trench?

2 Answers   Eastern Cement,

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if we give 60 hz single phase supply to the transformer used in europe , than what will happen

0 Answers   Core Logic,

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In some countries it is found that an Earthing Transformer is connected at the LV sides of the Transmission and Distribution Substation Transformers.Actually what is the purpose the Earthing Transformer?

1 Answers  

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For 132 KV line, PT or CVT which is prefered for measuring & protection? is there any IS or IEE standard available?

1 Answers  

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what is meant by transformer differential protection ?

3 Answers   BFL,

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what is the power ratio between power in star and delta circuit?

3 Answers  

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