flush point of transformer?

2 Answers  

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what is the difference between arc and spark

2 Answers  

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Whar is the KvA rating of 33Kv substation & actual kv rating of power generaating station.

0 Answers  

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A 4-Pole D.C. Generator has a speed of 1500r.p.m. Then what will be the frequency of D.C. Generator ?

9 Answers   IBM,

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what is means of ALF,kPV(min),lexc(max)at Vk,Rct@75 degree centrigate ohm in current transformer name plate?

2 Answers  

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What is the difference between generator and turbo-generator

5 Answers   iGate,

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wath is skin effect?

9 Answers  

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In a Circuit how the MCB and Fuse ratings are calculated. And shall the fuse follws the MCB or it is otherwise?

16 Answers   Emerson, HCL, Thirumalai Chemicals,

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Sir we have 12.5 MVA(110/11KV) transformer (Y-Y) connected,which tripped showing earth fault,when we charged transformer it stood OK ,but on connecting 11 KV feeders it tripped showing earth fault.our service engineers found that the B phase and R phase phase connecting to neutral broken from HV OLTC(on load tap changer),and R phase and Neutral is ok.Dissolved gas analysis shows that accetline content is high,tan delta value is 12.My dout is it is an internal fault of transformer,why REF or diffrential relay is not acted?

1 Answers  

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which type of capacitor store high amount of energy for long time ? ( polarized or unpolarized )

1 Answers  

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what is difference between KW and KVA

1 Answers  

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Why sometime AVR and sometime Booster coil is used in Alternator? what is the diferance between AVR & Booster coil due to which they are selected

0 Answers   Bajaj,

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