HOW WE KNOW IN PHYSICALLY THE CONTACT SURFACE OF A VACUUM INTERRUPTER IS GOOD OR

HOW WE KNOW IN PHYSICALLY THE CONTACT SURFACE OF A VACUUM INTERRUPTER IS GOOD OR GOING TO DAMAGE IN A VCB AFTER ABOVE
500 TIMES OPERATED.

Question Posted / mkbiswal82

No Answer is Posted For this Question
Be the First to Post Answer

More Electrical Engineering Interview Questions

What is ahu ? Working principal.

Can u tell me design of switch yard

how to calculate capacitor rating for an induction transformer ex.for 12 mva furnace calculate capacitor rating

what shall be no load voltage of 132/33 kV transformer ? is it 33 kv of 34.5 kV

what is full form of google

What is the slip speed?

WHAT HAPPENS IF STARTER OF A FLUROSCENT LAMP IS SHORT CIRCUITED AND WE PUT THE SUPPLY ON?

How to decide the size of the capacitor for a single phase induction motor say 2 HP ??

what is the principle of operation of tungstun bulb ??

what is cathodic protection in Tank,and product pipelines?

Why transformer neutral earthing? What is advantages?

What is a soft start?

For more Electrical Engineering Interview Questions Click Here