how to determine motor size for a fan application?

0 Answers   EDC,

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Between AC generator(alternator) and DC generator which can be designed for high voltage and why?

1 Answers  

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What should be the value of earth resistance for an instrumentation/electronic circuit? As per which IS/IEC Code?

3 Answers   IOCL,

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-What is leakage current . how much leakage current is allowed.

3 Answers  

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why we use stones or rock pieces in transformer area?

10 Answers  

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When we change the tap position of 10MVA transformer it suddenly tripped with Out of step indication and also with Static differential relay indication, Transformer Bucholz relay indn and Low oil level indication. Before 1 week the same problem occured by changing the tap position. but at that time only oltc bucholz relay activated. After testing the TxR Relay team & PET team cant find any solid reason. The values are ok also. So plz answer wat's the reason for this incident? anybody plz help.

3 Answers  

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Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?

0 Answers  

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how to calculate the earth mat design in 132 kv substation yard ????

0 Answers   Divis Laboratories, KSEB, SWPL,

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how to combine two linear transformers...............

1 Answers  

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why so voltage is same in parallel circuits and current is same in series ckt?

3 Answers  

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why odd hormonics only will effect the power system.why not even hormonics

2 Answers  

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How can we save electrical cost i.e switchgear, wiring, conduiting etc in a room?

1 Answers  

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