Answer / m k

after commissioning breakdown voltage test of oil and dissolve gas analysis of oil should be performed periodically.

Answer / suresh

to check the oil temp indicator, winding temp indicator,
check the oil level in conservator

Answer / kashifhabib

I think all the test are performed before commissioning.

what is the difference between RCCB and ELCB?

3 Answers  

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Meggering minimum acceptable Ohms for insulation resistance.

1 Answers   TATA, Wood Group,

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I WANT BHEL PREVIOUS QUESTION

0 Answers   Bhel,

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What are capacitive,resistive,inductive surge absorbation? What is ferranti surge absorber? What is lagrangian cost? What is Px operator?

0 Answers  

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area control error

0 Answers  

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which is better ac or dc?

2 Answers  

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What is meant by SPS Aluminium pipe in substations? Anyone knows whats this?

1 Answers   Amec,

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Draw the equivalent circuit of crystal oscillator?

0 Answers  

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Which state of India had first started power reforms?

1 Answers  

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why restricted earth fault protection can not operate for phase faults??as there will be a current in secondary of ct,when a phase fault occurs!

1 Answers   GMR,

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What are the protective devices in a DC/AC motor starter?

1 Answers   CTS,

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What is the importance of creepage distance in disc insulator ?

1 Answers  

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