Answer / kiran

3 types.

Answer / gunasekaran

2 method
1.current injection atprimary and measure at sec
2.voltage applied in sec and measured at primary

Answer / virendra

one -/5 ( - means the rating of CT )

how to calculate bus-bar sizes? (copper bus-bars)

2 Answers  

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Why is transformer connect parallel? why not series? ....plz...

3 Answers   wbsedcl,

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Dear sir, How to calculate 3.5 core pvc aluminium armoured cable meter wise carrying amps rating.Please give the solution with a good example.

0 Answers   Modi Builders,

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what is transformer

63 Answers   ABB, Advance Power Controls, CERC, Electrical, Electrical Supervisor Competency Certificate, ETA, IBM, Jindal,

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what you mean by frequency of an igbt& how to find it?

1 Answers  

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what bridge circuit is used in Tandelta circuit

1 Answers  

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Pl. share your experience about industrial-electronics repair of machine tool.

0 Answers  

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if current required for triggering thyristor at -30 degrees(temp) is 80 mA, what is the current required at 60 degrees

1 Answers  

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why voltage drop will occurs in 3 phase line?

12 Answers   ABB, Servo,

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what is the acceptable earth resistance value ?

4 Answers  

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We have 750KVA DG set, we want to introduce REF relay with 1250/1A,CL PS,Current transformers.The lead distance of 2.5mm copper flexible cable from CT to relay is around 5mtrs.We would like to know the knee point votage(VK) & IM calculion for CT's

0 Answers  

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How silicon gel sucks moisture in the transformer, its have any small exaust fan behind silicon gel.

4 Answers  

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