What is the difference between PS & metering CT (5p20,0.5 etc.)? Why in PS class CT only Vk is given ? Is PS class CT is more accurate than metering CT?

0 Answers  

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what is difference between ac1 and ac3 contactor and why it is needed to be selected?

1 Answers  

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What is communication? What are the different stagesin the communication process?

1 Answers  

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What is the function of Antipumping Relay and Lockout Relay?

1 Answers  

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Is earthing done for AC or DC or both?

6 Answers  

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why we are giving D.C. supply to field of an alternator, why can't we give the a.C. supply

12 Answers   APTransco, Proman,

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How can we measure the residual voltage in dc machines?

0 Answers   GPREC,

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Could explain briefly of over excitation in transformer.

2 Answers   NCC,

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Whag is the PS class of accuracy of CT?

3 Answers  

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What is the PI test stand for transformer and what is the producer to do this test?

1 Answers  

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why the transformer neutral give to the earth ?

2 Answers   Jindal, JLL,

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If our power factor is lagging then who is in profit? I mean consumer or Supplier!

1 Answers   Sail,

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