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 happens when we give supply to the secondary of a transformer ?? for example 415v(pri)/110v(sec)

2 Answers  

how can we connect the capacitor bank to improve the power factor?

5 Answers  

what is relay

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Is there any guideline say about display of earthing value near to earth pit

0 Answers  

Explain the working of any one cutting machine

0 Answers   Mahatma Gandhi University,

How to take vector group test for Ynd11 transformer.

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what is the purpose of shading ring or shading coil in electrical equipments.

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why impudance relay used for medium transmission power system? why not others?

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Ehat is shunt motor?

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How to run 1ph motor(230 VOLTS its full load amps is 4.5 ampa))with 480 volts main(we didn hav neutral)Thn we go for step down transformer.Our load 10 amps,so we conisder this amps in primary are secondary side

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what is the purpose of bypass mode in energy lighting transformer?

0 Answers