Answer / sudipt jena

In two wire method,we can measure the resistance of only one winding. Where as in 4 wire method we have the facility to measure both the LV and HV winding at once.

why ELCB's are not useful for operation theater equipments ?

4 Answers   Reliance,

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for 8 mva 33/11 kv transformer what will be the setting of differential relay on which it trip & what is the HF setting in this relay

2 Answers  

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IN PLATE EARTHING , PLATE LAID IN VERTICAL POSITION ,WHY HORIZONTAL WHY NOT

2 Answers   Airtel,

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what is zinc diffusion?

0 Answers  

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WHWT IS USE OF VACCUM CIRCUIT BREAKER

4 Answers  

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what will happen if the bus PT fuses are accidently removed from the circuit in 6.6kV feeder?

1 Answers  

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What is the formula for calculating the Instantaneous Short Circuit & overcurrent for any breaker

0 Answers  

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why the desirable efficiency for a motor is 60%, but in case of transformer, it is above 90%?

1 Answers  

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What happens if we give ac supply to dc shunt and series motors individually

4 Answers   Essar,

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What do you mean by ACB and VCB?

3 Answers   L&T,

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what is reactive power and active power

4 Answers  

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In step down transformer (415/200V),mistakenly secondary side is connected to 415V for some hours, what would be result of this condition?

19 Answers   Essar, GAIL, Vizag Steel,

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