What are the causes of electrical faults?

1 Answers  

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Is there possible to Test Transformer for Overfluxing Capability. Or is there any firm who does Overfluxing Test on Transformer?

0 Answers  

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How much current can 11KV line carry? What are the formulae used to calculate current across both side of transformer? Moreover I need to know can I connect 33KV line with transformer of 1600KVA? Details are: V=415, Pf= .9

3 Answers  

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If ct ratio is 250/1 and mtr is of 5 amp, what will be mf?

1 Answers  

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will a fluorescent bulb work when dc is passed through it?? if not why??

4 Answers   TCS,

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if we know Fault level say 25 KA , How to decide busbar size for Distribution network of 1000 Amp Breaker ? Sample Calculation or Farmula Available or not ?

4 Answers   TCS,

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What is SFU why it is used

1 Answers  

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Type of cable insulation?

3 Answers   Essar,

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why is neccessary Tap changing of power transformer with in a certain time

1 Answers  

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In power plant synchronizing time (synchroniging meter should be 12'o clock position only. why not 6'o clock position not possible.

1 Answers   ITC Infotech,

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In a 3 pin plug holder, what is the purpose of diameter of ground pin is larger than phase and nutral pin

9 Answers   Coal India, HCL,

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In DC current-excitation to transformer, why it sucks more current? Eventhough there is no power transfer between primary and secondary? R is very low so it should suck less current only na thn y its current increases?

2 Answers   Cairn,

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