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's mean HVF & HAF in Vacuum Circuit Breaker?

0 Answers   Gandhi Institute of Technology and Management (GITAM), Hyundai, Jayam Engineering Works,

why names such like dog ,rabbit, osprey,ant are used for conductors.

1 Answers  

why we are using DC supply in megger?

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What is sequence network? Discuss all three types of sequence network.

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technically, what is the reason behind starting the motor star the delta connection .. and what other ways to do this rather than using " star-delta transformer"

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we are small scale industry in production of rice & rice bran. Pls let me know how to take contract demand for our industry.. (for information we have total 600.hp)

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what is meant by LT & HT?

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why we take movement of rotor always in counter-clockwise direction in 3-phase induction motors?

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testing ZNYn11(d) vector group transformer

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can we use ps class in combination with protection class in differential protection and over current protection.

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Why the colour of insulator is always is chocolate in colour?

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why induction motor always operate at lagging p.f.?

4 Answers