Answer / amolkarne

class of accurecy means the percentage of error while
measuring.
Diff. Accurecy classes are
0.5
1
5
10 etc

Answer / bhupendra bolya

metering CT
0.1, 0.2s, 0.2,0.5s, 0.5,1,3,5
Protection class CT :
5P10,5P15,10P15 etc.

in alternator permanent magnet generator is also connected on the alternator shaft,then y that PMG voltage is very low as compared to alternator?

1 Answers  

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why abcd parameters are called as transmission parameter?

1 Answers   Accenture,

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explain in detail HV & LV bushing connection in power transformer (110 / 11 kv 16 MVA)

6 Answers   TNEB Tamil Nadu Electricity Board, wbsedcl,

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ple send to the how to improve the efficiency & economical to the thermal power plant

1 Answers  

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WHAT IS METHOD TO DESIGN SIZE OF A 11KV UNDER GROUND CABLE FOR A OUTGOING FEEDER FEEDING 6NOS 250KVA TRANSFORMERS WITH 5KM LENGTH OF FEEDER?

1 Answers  

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1.dg on load alarm/stop alarm... 2.dg on load. piu alarm alarm kaise chek krte hai

0 Answers   GTL,

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Why Diffrential and Ref relays are used together although Diffrential relay can protect Pri and Sec of Transformer

1 Answers   Qatar Gas,

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what is the function of breather in a transformer

29 Answers   Areva, Bhel, RKM Powergen, Vijai Electricals,

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what is slip resistance? how much its value in 110 kw motor? why voltage is varied in vvvf drive ?

1 Answers   Reliance,

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what is the problem with single phase AC motors and how is it overcome?

2 Answers  

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What are the effects of armature reaction on a DC machine and discuss the various methods to reduce the effect.

1 Answers  

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power is the product of voltage and current.so we can measure the value of power just by using ammeter and voltmeter.......then why do we use a wattmeter?

5 Answers  

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