line tester lamp working in which voltage?

3 Answers  

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why we are caling 440 volt 3 phase supply instead of 660 volt 3 phase supply? because each phase as a voltage of 220 volt. if anybody know the answer for my question please send it to my mail id. thank you.

3 Answers   College School Exams Tests, Jindal Steel and Power, JIOL, NEC,

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in 50 mw generator if field is open in full load running condition what happen and for protection which relay used?

5 Answers   century,

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what type of questions are asked and howmwny questions belong this catagory?

0 Answers   RRB,

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What are the section criteria for cables. Now everywhere XLPE power cable is used or PVC is also used?.

0 Answers   DAE,

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Pls mail me utility & Dg related question with answer

0 Answers  

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why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

7 Answers   HCIL, Jindal, Siemens,

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We are using 4 MVA transformer and we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral, can we connect separate body earthing pit to other earthing pit (Equipment earthing)?

1 Answers  

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what is working of Master trip relay ?

9 Answers  

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Tell me about ur past electrical maintanence job

0 Answers   Apollo Power, Solar,

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how will calculate the winding ohmic value in 3phase motors in h.p wise? ex.10 h.p motor winding value ph to ph ? 5 h.p motor any calculation please send me.

1 Answers   Hyundai,

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What is mean by sinewave.

0 Answers  

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