Answer Posted / zahid noor

The name of Transformer Oil is Insulating mineral Oil,
brands available in market are by the name of POWER OIL,
TRANSOL, SAVITHA,APAR,GHANDHAR eTC. It is available in
different Grades like EHV GR-1, EHV-GR2,depending upon the
compositions & values of dielectric strength, flash point,
neutrilization values as per IS: 335

Whar is the KvA rating of 33Kv substation & actual kv rating of power generaating station.

2440

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what is residuel magnetism. and how order lead acid batteries for 24 volt. emergency lighting system.

2058

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why do we carry out winding resistance test?

2342

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i have 500 amp inductive load of motors ,,,pleas tell me how can i calculate for capacitor bank for improving my power factor to 99 .....calcullations for capacitor bank,,,,

1668

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Why current shoots up in the secondary on the knee point voltage during saturation test of CT? How core saturation effects the secondary current (while the primary side is open)? What the logic behind this?

2085

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1sq mm dc powr cable can carry how much dc currnt

2148

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What are the disadvantages of autotransformer?

1164

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how oltc works in rectiformers of higher rating (27 mva,200v dc,120kamps) please provide me full information with diaggram.

2184

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What is A check, B check, C Check & D check for a diesel Generat

2165

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why constant voltage transformer should be start without load? and if started then what will happen?

2088

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PLZ EXPLAIN THE INTERLOCKING AND CONTROLLING OF CONTACTORS????HOW CAN I DO THAT?

6938

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State the other types of Air Conditioners?

2127

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can you plz send l&t aptitude questions if available its urgent plz plz plz

2170

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what curve and rateing would you use for a three phase 0.75kw motor?

2046

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How to calculate the current of Highpressure Mercury Vapour Lamp?what is the basis?whether we have to consider power factor or not?

2224

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