they transformer oil leakeage to beather tank and top parts . they protection relayes was not operated.what is the oil leakeage problem.

1 Answers  

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why bulbs when connected in series glow dim

4 Answers  

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which technique servo motor tested o.k or faulty ?

1 Answers   ABB,

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current cyring capacity of .75sqmm copper cable

2 Answers  

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figure of phasor diagram of transformer when full load or no load ?

1 Answers   Swastik, TCS,

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To determine the Healthiness of Insulation we will be performing Dielectric tests i.e Insulation Resistance test, Partial Discharge test,Switching Impulse, Lightning impulse, Tan Delta test ...etc why we required to perform this many test, why cant we do only one test. for Transformer, CT's

1 Answers  

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WHY FLEXI LINKS ARE USED INBETWEEN GENERATOR TERMINAL OUTPUT & BUS DUCT CONDUCTOR.

3 Answers  

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in gen traf what is ONAN , ONAF , OFAF and DYN

3 Answers  

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what is the suitable voltage of transmission line to transmit 10000w power through 250 km. (a)11kv (b)33kv (c)66kv (d)132kv ]and please tell me whats the logic behind it

7 Answers   ONGC,

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What is the difference between Relay and Contactor

35 Answers   Siemens,

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I have 3 1000 kva single phase transformers and I wish to replace them with one three phase transformer. What is he kva rating of the new three phase, is it 1000 kva also or 3000 kva.

5 Answers   Central Moloney,

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how does a tube light choke working?

2 Answers  

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