Answer / mrudang

in HV CT the secondary voltage should be around Vk>400v

because in differential protection , we have to maintain
relay input of 1 Amp or 5 Amp

Why does curving the pole faces in a dc machine contributes to a smoother dc output voltage from it?

0 Answers  

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we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain

0 Answers   TNEB Tamil Nadu Electricity Board,

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explain the transient reactance

1 Answers  

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what is the burden?accuracy?Knee point voltage? what is the Alternator of PGM?

0 Answers   L&T,

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Capacitors are used to ... -Reduce the bill of the farmer -Improve the PF

1 Answers  

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what is difference between isolation and ultra isolation transformer?, what is the method of testing ?

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In VVVF drive voltage is varying in accordance with frequency.My question here is How much will be the voltage in the inverter side if the frquency is set for 10Hz ?

1 Answers  

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Why we have use 3 & 1/2 core cable use for general electrical supply arrangement

1 Answers  

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Wat is power factor exact meaning in terms of technical terms plz explain ?

4 Answers  

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CPC cable .PVC \1C....I want to get sure that type is flexible indoor or to be install on trench. please advice .thanx :)

0 Answers  

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what is H.T?specify the range?

6 Answers  

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How to Decide(calculate) Bush bar size for copper and aluminiam ?

0 Answers   Essar,

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