Answer / sk reddy

Contactor used in 3 phase.Relay used in single phase.Contactor will be drivern by relay

What is the difference between Neutral and Eatrh?

8 Answers  

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can we use the step down transformer to step up transformer

6 Answers  

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what is mean by derating factor?

4 Answers   Essar,

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1.what is the difference between transformer differential and busbar differential.2)why we are using 2 slope for trafo diif and 1 slope for busbar diff.3)what is the purpose of metrosil and stabilizing resistor in high impedance relay circuit.4)how metrosil reduce the peak volage.5)what is the funtion of stabilizing resistor

0 Answers  

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howmany insolaters needed in 66kv line

9 Answers   Essar, L&T,

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how much GROUND & NEUTRAL VOLT maintain in data center.

0 Answers  

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What do you mean by eddy current loss?

1 Answers  

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what is the reason for using 110 volt and 60 hertz ac supply for using power distribution in America?

2 Answers   Electro Tech,

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One 200 V, 100 W bulb is connected in series with primary of a 200 V, 10 kVA transformer. If its secondary is kept open circuited, then the bulb would have (1) Full brightness (2) Poor brightness (3) A little less than full brightness (4) More than full brightness...explain

2 Answers  

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What will happen if the oil level in the buchholz realy of a transformer gets down?

3 Answers  

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plz tell me Motor IP formula

0 Answers  

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What is the use of mc( moving coil) in dc voltmeter and dc ammter and what is the use of ( moving iron)in ac voltmeter nd ac ammeter

0 Answers   HCL,

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