Answer / p.r.gowri sankar

The "Safety protections of the Transformers" are fallows
1.Neutral Earthing
2.Bucholtz Relay
3.over Current Earth fault Relay
4.Differential Voltage Relay
5.Instantaneous Voltage Relay
6.Earth Leakage Relay

why zero sequence impedance measurement is not applicable for single phase GT

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WHY WE CAN GENERATE POWER IN 3PHASE MODE ONLY NOT IN 4 OR 5 PHASE?

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how the percentage impedance affect the transformer loading when connected in parallel.?

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i want to do a project on PLC.... please give me an idea.....

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Why the transformer rating is denoted in VA rating why not in KW

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what you mean ct ratio? why use 400/5a,200/5a,150/5a ?

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1- What is the Polarization Index number be good for 15KV 3c#500MCM electrical cable? 2- Can I use the IEEE Std 43-2000 to perfom the PI test? Thanks

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why battery set is required for D.G.set?

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How to connect the chemical earthing and complete process tell me plz

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condition Autotrip facia come on control panel of electrical transmission line?

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What will be the current drawn by HT motor, if low voltage is applied.. any formula to calculate the LT amps of HT motor.?

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how can we test the vector group of transformer

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