What is the use of insulation tester and how it is to be used.

2 Answers  

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can anibody tel me on what basis the transformer vector groups are determined????

1 Answers  

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WHY WE NEED NEUTRAL FOR 3PH 400 OR 415 VOLTS POWER SUPPLY (4 WIRE SOURCE).

5 Answers  

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We have two 1 phase heating coils having same resistance of 25ohm, but during operation one takes 3A and other 6A Is it posiible Pls. explain

5 Answers   Bhel,

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We have received supplies of the ordered material. payments against the supplies also released. Where ST paid 4% against form C. Meanwhile it has been observed that 25% of material supplied was defective. Please suggest whether the issuance of C form from our side would be stopped till settlement of liabilities.

0 Answers  

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is electrons really flow or they just vibrate at their position?

5 Answers   Bhel, HAL,

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where we use compound motors in real time and why?

2 Answers   TATA,

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HELLO SIR, IAM PREPARING HPCL EXAMS. SO PLS SEND MATERIAL OF HPCL ELECTRICAL ENG..TO VIJAY_8888@YMAIL.COM

0 Answers   HPCL,

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what is the role of impedance in transformer?based on secondary f.l.current(139 amps) and impedance(4.07) of 415/415v of 100 kva transformer. what is the primary current?

1 Answers  

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how generator load test is conducted?what are the steps?

0 Answers  

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when will cause the negative sequence falut in electrical system?

2 Answers   Schneider,

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Why transformer ratings in KVA not in KW?

6 Answers   ABB,

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