Answer / chirag desai

buccholz relay is kept inclined to trap the gas,bcz gas has
tendency to go upward and same amount of oil push to
conservator tank so, buccholz float comes downward and
gives an alarm.

I want to know all basics of electrical engineering

0 Answers   RRB,

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what is impedence voltage

1 Answers   Thermax,

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what can be the causes of capacitor start motor having a higher current that its actual

0 Answers  

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The capacity of the transformer is 20/25 MVA, Ratio is 132/11 KV, Vactor group YNyno. and impedance is 10.07%. As per the calculation the secondary current is 1312.2Amps. The maximum fault current the transformer should sustain is 13.030KA. How many times the transformer should sustain the maximum short circuit current of 13.030KA over a period up 1 Year. The transformer is repaired one & 10 Years old.

1 Answers  

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What happen when ct secondary are open circuited? why same thing is not happen in ordinary transformer?

3 Answers   BARC,

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1. what is difference between VCB and ACB.how its works please explian.

6 Answers   ABB, Accenture, HP, Minda, Mother Dairy, Satyam Pharma,

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what is the advantage and disadvantage of billing in kwh and kvah by electricity board .

6 Answers   Nespak, NTPC,

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How can we explain that what is the power factor?

5 Answers  

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why measure the gravity in battery?

2 Answers  

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What is the effect of positive feedback on stability of the system?

0 Answers  

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WHat is the general checks required for Dry type transformers

0 Answers  

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i have one ground earth for my shop but now he showing 11v how ever my machine engineer said that he require less than 3v how can we reduce it, i have put 8 bucket salty water in it

1 Answers  

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