Answer / kameshwar rao

The minimum IR vslue for different voltage system is , it
should be 2 mwegaohm per KV.

Answer / sumit patel

for motor and gen.
2(kv+1)

Answer / ekanadam naik

is depends on voltages 1kv=2megaohms

Answer / sam

depending on voltage level (2V+1)Mohm

Answer / karthik raman.b

for high voltage 1 mega ohm and for medium voltage 500 ohms

Answer / bharathi

for 415 voltage miniman 50 mega ohm dep upon tamprature

At no load the PF of an alternator -Zero -Zero Lagging -Zero leading -None of the above

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Assuming that a dedicated neutral earthing transformer is provided for each GT generator, when the two generators are running in parallel, has consideration been given that the earth fault current from one generator stator winding be split between the two neutral earthing transformers? If so, what adverse impact will this have on the operation of the 59N and 27TN devices?

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why we use taping of transformer on HT side?

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Why we use cosine angle for calculating power factor not in sine angle ?

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what is meant by VDC ?where its applicable ?

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what will happen ac motor give to dc supply

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why transformer are rated in KVA not in watt?

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Dear All, I am new in construction company , my boss ask a question at time of interview , If we have 60MW generation and Single Power Transformer step-up we have. if CMR 50/60MVA , ONAN, ONAF respectively , is it sufficient or not ? for that much power to transfer,

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what is the form factor of DC voltage

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What are the circuit models used for analysis of medium length transmission lines? Which one is superior? Support your answer.

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In Which vector group power transformers are mostly manufactured?

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Why celling fan rotates in anticlockwise direction and table fan in clockwise direction ? Give technical reason.

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