Answer / pk.shivakumar

@ 2.5 mm gap 6 six readings average should be min. of

30kV for 11kV to 66 kV
40kV for up to 110 kv
50kV for above 230 kV

Answer / k.prakashchandra

Minimum bdv in kv - 60 for 170kv and above class , 50 for
for 72.5 to 170 kv , 40 for below 72.5 kv

Answer / nagarjun

The break down voltage of a transformer is should greater than or raising to 75kv.

Answer / dattatray

breakdown voltage of the transformer oil will be 3 times of applied voltage.

Answer / priyanka r

According to standards it id 12kV/mm

what is the difference between contactors & relay.

2 Answers  

In a ordinary plug can we hold the earth in hane and connect the circuit to supply?will we get a shock?

5 Answers  

Welding machine

1 Answers   CEL,

our industries ht line so power fluctation(once drop of power please rectify causes

0 Answers  

why pure sine wave inverter used for desktop ?

1 Answers  

what is the importance of Partial Dischage test for Electrical Equipments

0 Answers  

I have a reading off 1.5ohms at my mem my main c/b is rated at 40/6 amps in a domestic house and i was told to change it to a b curve c/b is this ok

0 Answers  

i have a roll dia aprox.43 inches and gear box ratio is 14.3.so my question is how was decide the kw rating of motor.

1 Answers  

what is power factor

3 Answers  

What is the transfer function?

0 Answers  

How many points does a Circuit can have?

0 Answers  

what is the formula of knowing the clabe size on any load?

1 Answers   JSW, Scan Steel,