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

Can you explain the phase displacement between primary and secondary of power transformer of any vector group(for ex)?

1 Answers  

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how CBCT works?

1 Answers  

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how to calculate the size of cable for 100 kva load,?can somebody tell me with a formula

7 Answers   Havells,

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what is zero sequence curr ent ?

4 Answers  

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What is system earthing?what are the types?

1 Answers   ABB,

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specific difference of ICT&Auto Transformer

0 Answers   TNEB Tamil Nadu Electricity Board,

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Why the steam turbines are run at high speed where as the hydro turbines are run at low speed?

1 Answers  

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In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc

0 Answers  

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Frequency of rotor emf in induction motor is around A same as stator frequency B 50% C 5 % or below D 30%

1 Answers  

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What are the precautions to be taken before working on a cable?

1 Answers   Alfanar,

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what is d check in dg 1500kva

0 Answers  

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what s a servo motor? how to control the servo motor? and its application, purpose of using?

2 Answers   Arabian Pipes,

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