Answer / sachin k

Reverse power,E/F,over load,Over frequency,Under
Frequency,Over voltage,under voltage,loss of
excitation,short circuit etc.

Answer / ravi tandel

reverse power protection, merz price protection, etc.

what is the different beetween kva and kwh?

4 Answers  

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What is the diffrence 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?

1 Answers  

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WHY CFL can't made in shape of bulb.

5 Answers  

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How to conduct Magnetic Balance Test, Measurement of Excitation Current (both on HV- and LV-side) and vector group on a 1000 KVA distribution transformer. There is a neutral on HV side.

1 Answers  

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what is 33 /11kv transformer bdv

8 Answers   NMDC, TPPL,

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Explain what is CBCT.

1 Answers  

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What is method of calculating the fault current for a MDB, 50KW, 3PH, 415V, 50HZ?

0 Answers   L&T,

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HOW to speed control of induction mototr using scalar control

3 Answers  

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Why we oil in tranformer/

5 Answers  

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I want formula to calculate cable size as per load given in kw & amp.I searched many sites but didn't right answer.Plz reply me asap.

41 Answers   Armco, BEL, BGS, Biocon, BRB Cable, Crystalline Chemical Industries, DLF, Doshion, Electrical, Gold Roof, L&T, Lanco, MEIL, Oman Cables Industry SAOG, PK Services, Polycab, Sabic, SLV, System Electrical, Tata Motors, UEM, UMIC, Vega, Vertex, Voltas,

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how unidirectional torque is produced in DC motor?

0 Answers  

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what is 'A' Check & 'B' Check ?

2 Answers  

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