Answer / m k

after commissioning breakdown voltage test of oil and dissolve gas analysis of oil should be performed periodically.

Answer / suresh

to check the oil temp indicator, winding temp indicator,
check the oil level in conservator

Answer / kashifhabib

I think all the test are performed before commissioning.

Why synchronous motor runs at a fixed speed? what is the name of that fixed speed?

4 Answers  

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How dc generators direction can be reversed ??

2 Answers   GPSC Gujarat Public Service Commission,

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oltc of a transformer, how it works? and what are the equipment consist of describe briefly?

0 Answers  

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How to find knee point voltage in current transformer?

2 Answers   TCS,

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When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?

0 Answers  

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why u want to work in sail/ntpc as u r already in an it company where life is good, good environment no much tensions etc?

6 Answers   Sail,

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how capacitance is neglected in short transmission lines ?

1 Answers   BMC, Qucab,

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why we not connect the 12 V batteries in parallel to get the more backup supply for an UPS ? wheter off line or on line UPS ?

2 Answers  

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Explain why the Voltage drop will happen in 3 Phase line?

2 Answers  

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what is meant by re-rolling motor? how it differs from standard motor?

0 Answers  

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if we are using ACB in a panel the how much clearance do we need in panel room.

2 Answers  

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why we choose 50 or 60 hertz not other value for the power system?

4 Answers  

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