Answer / chandrahasan

For 3 phase, 4 pole ELCB is used

Answer / k.prakashchandra

If only you had used the word ELCB instead of ELCP,you would
have got the answer long back.

Answer / email

I NEED TO ANSWER TO ME

Answer / pratik patel

if ur submersible pump for 1 phase u have to use 3 phase
ELCB.( IN MY OPENION )

what is power factor?

8 Answers   Adani, Blue Star, Power Control,

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what is the diff. b/w restricted earth fault relay & standby earthfault relay and where they are used?

4 Answers   KSK Energy, Reliance,

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wat s the electronic device used in the fan regulators recently?

2 Answers  

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can anybody give me current carrying capacity of cables e.g size of cable in sq.mm & its current capacity both alluminum & for copper

4 Answers  

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what is meant by class 1 E in electrical power supply?

0 Answers  

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if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

0 Answers   BSNL,

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1. What kVA rating is required for a transformer that must handle a maximum load current of 8 A with a secondary voltage of 2 kV?

3 Answers   BCPL,

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How the starter control the starting current in three phase AC Motor?(In DC apply the reistance).

6 Answers  

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should dc supply will give the transformer to build up the voltage level

1 Answers  

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difference b/w eath and neutral

10 Answers   ABB,

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how to identify vector group of three phase transformer by voltage method?

0 Answers   AAU,

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is starting current of induction is high or stating current of ransformor is hign ,for the same rating

12 Answers   BARC,

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