When oil level in the oltc of power transformer reduces , oil surge relay will act or not

4 Answers  

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there are 3 transformers each of 1500 kva and one transformer of 1000kva for a 11 floor building . total otgoing kw is 4066 kw. i need an extra 260 kw .is there any provision for that? what is the max kw that can be connected with these transformers?

2 Answers  

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Which oil can be used in transformer?

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what is reason in mv breaker the control supply voltage is dc not ac?

1 Answers  

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how u change the vector group of a transformer like DYN1 to ynd11

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What is the unit of inertia constant of rotating machines? Which has more inertia constant between turboalternator and hydroaltermanor and why?

2 Answers  

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In case of HV test on medium voltage cables, BS is asking for 4 U0 where as IEC is asking for 3.5 U0. Can any one advise me how this 3.5 times or 4 times U0 is derived?

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What is the difference between 2 wires RTD's and 3 wires RTD's.Kindly explain the wiring diagram.

1 Answers   QAFCO,

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1)how many types of earth? 2)how many types of megger and how to select that range? how much time taken for megger calibration( we r using megger)

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what is the difference between isolator and circuit breaker

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What are the difference between CT/PT operated Meter and RRAMR Meter for HT/LT application?

1 Answers  

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hi frnds.....anyone get any reply from HPCL. I HAVN'T.....B,COS written will b on FEB 17 th.

1 Answers   HPCL,

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