why we use sinosidal voltage / current instead of others in system?

0 Answers  

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how step down and step up voltage is occured in transformer

3 Answers  

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what is the knee point voltage ? what is differtial rela? what is impedance and % of impedane? what is the postive phase sequance ? negative phase sequane ? and zero sequance impedance ? what is sortcircuit calculaion? why take calculation? define stabilty test ? why? what sentivity test? define merz protection ? what is the burden ? class 5p10, accracy, metering ct take knee point voltage test thet time what heppan why dont take knee point test to metering ct?

0 Answers  

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how regenerative breaking is done in electrical traction

1 Answers   TCS,

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what is the role of energy meter in distribution system ???? technical and non technical losses in distribution system????

1 Answers  

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What do you mean by passive circuit elements and why these are called passive?

0 Answers  

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when a primary current injection test is required, it is accomplished by what?

3 Answers  

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what is the difference between the HT Cable and LT Cable ?

28 Answers   Intergulf, Prabhat Cables,

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Why HT motor is connected in Star?

3 Answers   Equate,

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1.why should we connect the measuring instruments in l.v side in short circuit test of a transformer? 2.why the power factor is less in open circuit test of a transformer?

0 Answers  

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what are the reasons of CT circuit faulty in busbar protection scheme?

0 Answers   Getco,

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Could Please Explain briefly. Why used stabilizing resistance series with High impedance bus differential protection relay.

0 Answers   NCC,

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