Answer / ramachandran_pb

over current protection
earth fault protection

Answer / vipin joshi

1.. low lube oil pressure (2.5 to 7.5 kg/cm square)
2..high coolant water temperature (95 Celsius)
3.. low coolant level 80 %
4.. overspeed (1480 to 1580)

what is R Core Transformer. how it differs from normal transformers. dont search in net and post the answer.

0 Answers  

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how we can save electrical energy in industries,please give some inputs

3 Answers  

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how the transmission voltage ranges are decided like 11kV,33kV,66kV,132kV,220kV,400kV,725kV.... why not choose the transmission line voltage as 23kV,164kV,440kV?? what's the reason??

3 Answers  

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Fire pumps are not used with ELCB control, why ?

4 Answers  

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In 2500kva transformer how much is the withstand High voltage power frequency between primary to secondary and earth? And secondary to primary and earth?

1 Answers   Honeywell,

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why use delta star x-mer in distribution system.

3 Answers  

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what is the difference between upper impedance and lower impedance distance relay?

3 Answers   Havells, Power Grid,

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why frequency meter is connected in parallel in a circuit?

1 Answers   University of Engineering and Technology,

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Is a DC Transformer Possible? if Yes, Then Why, if not Then Why?

9 Answers  

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what are the oils used in transformers cooling? n which type transformer is used in power systems?

1 Answers  

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how harmonics are generated due to nonlinear load & how harmonic filters work?

1 Answers  

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High Voltage out door substation-annual maintenance, things to be considered

1 Answers  

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