Answer / aeskumar

air circuit breaker
oil circuit breaker
vacuum circuit breaker
SF6 circuit breaker
miniature circuit breaker
molud case circuit breaker
earth leakage circuit breaker

Answer / ramesh

air circuit breaker
oil circuit breaker
vacuum circuit breaker
SF6 circuit breaker

Answer / sachin thakare

1.air c.b.
2.air blast c. b.
3.vaccume c.b.
4.sf6 c.b.
5.ELCB
6.RCD
7.OCB
8.MCCB
9.MCB
10.MOCB
11.RCCD

how many joints are allowed in underground HT cable of 1 KM

0 Answers  

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why ac supply neutral should earth not in dc (-)

2 Answers  

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what is the working principle of soft-starter & how it diff. from VFD ?????????

5 Answers   L&T,

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3 phase induction motor connection star or delta while using ac drive motor is .75 to 5.5 kw

0 Answers  

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What is shutdown of electrical sub station?

0 Answers   UCEP Bangladesh,

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how to enter inverter parameter? without manaual?

0 Answers   Essar,

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on what priciple transformer works on?

5 Answers  

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difference bewteen reverse current and alternating current

0 Answers   ABB,

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Why current shoots up in the secondary on the knee point voltage during saturation test of CT? How core saturation effects the secondary current (while the primary side is open)? What the logic behind this?

0 Answers  

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why a bulb glow when connected with two end phase and neutral respectively.

1 Answers   ACME,

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why the voltage is in digit of 11/33/132/220/440 please send me on shukrerabbi_abkhalil@rediffmail.com with thanks

3 Answers  

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Can anyone explain the power flow in flouresent lamps (tube lights) .What are the functions of Starter & choke used there?

1 Answers  

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