What is Primary and Secondary Injection Test of CT and Relay.

2 Answers  

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Between Turbo alternator and Hydro alternator which one is more difficult to cool and why?

2 Answers  

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What will be done if we open the secondary of CT on load??

4 Answers   Engro,

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Why the efficiency of generator is more than motor in swinburne's test

0 Answers  

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What is the diffrence between an ELCB(earth leakage circuit breaker) and RCCB(residual current circuit breaker)?which has higher degree of safety and why?

2 Answers  

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if negative of DC supply used and positive is grounded through EGB, and if ELCB used in the system then is it sense the positive volatge and get tripped is it possible?

0 Answers   Delta,

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How do you reset circuit breaker?

1 Answers   Bhel, Kaveri Steels,

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What is effect of over voltage and under voltage on ACB

0 Answers   EFS,

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Can we convert off load tap changer transformer to on load tap changer transformer

2 Answers  

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why transformer is giving some humming noise .....?

11 Answers   Electrotherm, JSW,

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how to check avr of dg set of 125kva

0 Answers  

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how fan speed decrease or increase by using regulator? thank you

3 Answers  

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