what is Insulation monitoring device. where it is used? (in switchgear room or control panel or in field equipment)

0 Answers  

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whenever a squirrel or a crow gets tangled near the out put of the feild transformer there is a discharge of 440 volts of current through the neutral due to which my appliances blow up causing a huge bang.will the RCCB help in these conditions

1 Answers  

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HOW DOES THE PERCENTAGE DIFFERENTIAL PROTECTION WORK IN POWER TRANSFORMER

1 Answers  

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why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?

0 Answers   Siemens,

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All tape of electrical questions Answers tape of motor transformer e.o.t crane

0 Answers   Afcons, Honeywell, Manlift, SIMS,

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why inuctive drop is not consider in DC MOTOR

2 Answers  

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What is Grounding? any difference b\w earthing? if yes plz explan??

3 Answers   ABB,

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why we are using the ac supply in domestic purpose why don't use dc supply

6 Answers   Airtel, SSIL,

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what is the differance between MC61C and MC61A relay of L &T make.

1 Answers   BARC,

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What the methode get earth resistance?

2 Answers  

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if u give d.c. supply to transformer primary then what happen.&why??????????????

4 Answers   DCS, DRDO, HCL,

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What is the Different between CT Class-0.2 & Class-0.2s ?

3 Answers  

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