why neutral grounding transformer is used for generator and why it is not used for transformers?

1 Answers   UPCL,

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Why the size of transformer decreases if we increases the frequency?

5 Answers   Graphics Engineering,

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Why the ceiling fan rotate in anticlock wise direction whereas tables fan rotates at clock wise direction?

3 Answers  

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if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?

0 Answers  

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why the weight of oil in transformer is specified (on the nameplate) in litres as well as kilo grams?

3 Answers   Reliance,

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What does Transformer vector connection Dy11y5 means?

1 Answers  

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What is current chopping in CB?

1 Answers  

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In power point wiring,often,we use less size of earth wire compared to phase & neutral wire and we use big size pin in pug top. how is it justified? can we use small size cable for earthing?

3 Answers   HAL,

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what is the id1 & id2 setting in differential protection relay of CSPC?

0 Answers   Wartsila,

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what are the advantages of having high voltage in transmission lines?

5 Answers  

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why grid frequency varry time to time?

2 Answers  

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Current Transformer's star point must face the protected object for the relay operation?

2 Answers   Siemens,

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