what is the transformer turn ratio formula and give some examples?

0 Answers   UPPCL,

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whenever any squirrel or a crow falls on the transformer input line then there is a big explosion and 440 volts of power is being discharged through the neutral line due to which appliances in off mode are also burned.we have earthing for the transformer as well as the bus bar chamber.why is it happening?

1 Answers  

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What is OLTC in a transformer, specify its fuction.

35 Answers   Bhel, Isgec, L&T,

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cb used in railway applications is?

2 Answers   NTPC,

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can any one help me out by posting something related to rvnl interview for site engineer electrical.? what is the procedure? what kinda question they ask us? how long the interview goes? and any tips? and any thing you want to share?

1 Answers   RVNL,

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for a 500 KVA connected load, I calculated 30% of capactor for power correction. Even after using 225 KVR capactor PF is not improving. What could be reason for low Phase correction factor?

0 Answers   Power World,

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How REF protects transformer alone? explain with diagram.

0 Answers  

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what is appearent power?

3 Answers  

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What is the BS(British Standard)code for 11kv motor

1 Answers  

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gas turbine genrator reactances

0 Answers  

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when a cunductor is being disconnected from live cct, still it showing charged, if its checked by line tester?

8 Answers   GEB,

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define frequency ?

14 Answers   KPTCL,

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