what is the difference between OSR and BUCHHOLZ relay of transformer?

1 Answers   Bhushan Power Steel,

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why do we put a transformer on soak before loading it

0 Answers  

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Any one who apply for Ferro Scrap Nigam Limited cn join with me at rajuhalder@indiatimes.com or 09669717028

0 Answers   SSS,

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What is surger vector in 33Kv transmission feeder? We have AC power generator of 8MW which is paralleled with 33Kv EB grid. Some times our HT breaker gets trip off due to surge vector problem. How to over come it? Is there any device to observe the surge and avoid tripping?

3 Answers  

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difference between substation & grid substation?

2 Answers   GMR,

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what is the role of energy meter in distribution system ?

0 Answers  

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How one can check the faulty capacitor, diode when connected in the circuit ? and when you can not take them out ?

4 Answers  

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what is the difference b/w neutral and ground?

4 Answers  

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what happens in a genarator when rotor supplied with ac instead of dc

3 Answers  

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Power factor =1.000 at factory in supply. However, PF = 0.8 at motor end. Current = 100 Amp, Voltage = 400 V. What is the power distribution loss? Can I reduce it by adding capacitor at the load feeder?

0 Answers   Accenture,

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please explain me about traction application?

2 Answers  

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Why we use two wattmeter during block rotor test and no load test of 3phase induction motor? And how can we understand the neat power requirement of from this test?

2 Answers  

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