Answer / virendra

Air Ciruit breaker is the one in which the quenching is
happen in precense of air mean there is no other thing is
provided. In this breaker the opening in closing of contect
happen in natural autmospher & hence the are is produces ,
to quench this arc the arc chute is provided the same .

what is meant by vector group of a transformer? How can it be derived?

0 Answers  

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Greeting to all members, How to calculate spill current when we have different ratio CT and Class for REF(Low Imp) I have 500/1A 5P20 @line side n 400/1A CL.X @ Neutral.

0 Answers   DEWA,

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what do you understand by dressing a HT/LT pole

1 Answers   Federal Polytechnic Nekede,

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1 Ton is equal to how many watts?

0 Answers  

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State The Difference Between Generator And Alternator?

0 Answers   ABB,

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What are the voltage values for LT,HT,EHT and other voltages??

22 Answers   INEL, MNC,

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An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor frequency at maximum torque point is A 3.33% B 4.44% C 5.55% D 6.66%

1 Answers  

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What is transformer break down voltage.And what is flash oil flash point.

1 Answers   HP,

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how many kw = one ton air condition?

2 Answers  

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Please give me a solid reason there are 2 ELCB's If we take Phase from ELCB NO:1 an Netural from ELCB N:2 why ELCB is tripping when we connect the Load?please brief me with detail

3 Answers  

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how to calculate the megger values for motors and cables?

2 Answers   Adhunik,

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expansion of rccb

3 Answers  

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