Answer Posted / brijesh

1-Ph 22Kv AC 50 HZ.

What are the basic elements used for modeling mechanical rotational system?

1115

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control & auxilary circuits used for circuir breakers

1889

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What are the major reasons for balancing hydro-thermal mix?

1137

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how to check ac servo motor

2275

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Sir,In our company there are 3 caterpillar make(capacity:(1) 3.3KV,2.5MW(2)3.3KV,2.5MW & (3)3.3KV,1.9MW) & 1 deutz make (capacity:11KV,3.8MW)gas engines utilised,all are running in paralell. There are three transformer utilised,(1) 6.25MVA,3.3KV/22KV,Impedence voltage:6.7% used for two generator,both are 2.5MW(2)5.5MVA,3.3KV/22KV,Impedence voltage:7.2% used for one generator of 2.5MW & (3) 5.5MVA,11KV/22KV,Impedence voltage:7.8% used for one generator of 2.5MW.all generator breakers capacity of 1250Amps. Sir,I want the details of fault level calculation of generator,transformer individually & for whole system. If you require any information from me.feel free for contact me sir.pl.send the answer of my question as the earliest as possible.

2130

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What is true sine wave or pure sine wave inverter?? Is it sine wave or step wave?? If it is step wave, waves with how much step is considered as pure sine wave? Is it possible to produce pure sinewave using power electronics?

1873

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mention hazard experienced during installation

1979

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What is transformation ratio what it describes?

1707

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What is the earth treantment procedure?

2078

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What are the advantages and disadvantages of closed-loop control system?

1192

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The windings of a transformer are divided into several coils, because?

1287

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when the time of backcharging the transformer three phases only enough or three phase with neutral is must.from these which one is the best one.

2045

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what is the minimum voltage require to injure our body?

6954

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whati s the sludge current in ups

2247

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What is the difference between AC and DC injection methods for rotor earth fault protection

2232

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