Answer / k.prakashchandra

Measuring CT is of accuracy class 0.1 to 1.0. For protection
class PS.Not accurate but capable measuring currents 5 -20
times the rated, without getting saturated.

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what is the purpose of using battery in dg sets, please specify in details.

2 Answers   Balco,

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why we used dc supply for field in dg set

1 Answers   Hindusthan National Glass,

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1.where in India the maximum transmission voltage is operated? 2.what the methods are used to cool down the transformer?give the specific ratings of the transformer & specific cooling process. 3.how zero & negative sequence reactances are formed in a rotating machine when fault occur in the system?

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what is mathematical relation between ac to dc current how will convert Iac=50amp to Idc

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What happened If 3phase supply connected to slip ring side of slipring induction motor ?

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What is cathode ray oscilloscope (cro)?

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Why let through energy not considered for ACB breaker while cable sizing?

1 Answers  

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what is real time system type definition

1 Answers  

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Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.

1 Answers  

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How to calculate the Short Circuit Impedance in Transformer?

3 Answers  

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