What is the basic difference between directional and non directional over current protection?

1 Answers  

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What is the meaning of loop in transformer

0 Answers   AST,

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generally on the roadside v hav 11kv line which is being step down to 440v line to line....so any1 can tell me which type of transformer they r using whether it is star to delta,delta to star etc...???

9 Answers   Core Solutions,

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what is the string efficiency

1 Answers  

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how is reactive power controlled on the transmission system

2 Answers  

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Transformer's core is made up of which material and why so?

10 Answers   ABB, NTPC,

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How the soft starter control the starting current in three phase squirrel cage AC Motor?

1 Answers  

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what is the transformer rush current?

0 Answers  

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why some transformer without breather.

1 Answers   GTS,

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when a three phase motor in running condition consumes 2A in each phase,and if one of the phase gets fails what will be the consumption in other two phases

4 Answers  

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what r the preventive maintenance of air compressor

1 Answers   Jindal,

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ganaretors A check B check and C check details

1 Answers  

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