how to find out basic difference between ELCB,MCB AND RCCB on seeing the materials?

1 Answers   L&T,

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if 300 hrs not comleted at wat interval b.c,d checks og take place

1 Answers  

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Difference between mcband isolator

1 Answers  

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What is maximum permissible length of cable from transformer (33kV/0.433kV) HT side to HT panel which contain VCB? In which standard i shall get this information.

6 Answers   MSEB,

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What is meant by bus bar protection?

0 Answers  

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Difference between earthing & grounding.?

3 Answers   ABB,

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1.what to do if ferquency of any power system continue to decrease ?

5 Answers   NTPC,

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What happens when the field of an alternator connected to infinite bus is suddenly removed?

3 Answers  

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what is megar testing

4 Answers   NASA,

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Where the excitation is given either stator or rotor in actually in power plants?

8 Answers  

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how to erect roof control panel?

0 Answers  

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how calculate cable size in squre mm, when the load is given by in kw? do u have current rating chart of elctrical cables?

4 Answers  

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