Answer / dinesh

% impedance indicate the potential to decrease the fault
level in system by that eqipment. % impedance values msotly
occur in between 2 to 20 %

what is metering cum synchronizing panel and how it is used?

0 Answers   Wipro,

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what is the deference between watt and KVA

3 Answers   IAF,

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what is the difference between isolation and insolation ? please explain in detail with example.

5 Answers   ABB,

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sometimes, eventhough the HV side of the transformer is opened there is a voltage in LV side .How is it possible?

4 Answers  

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Supose we have one 220v A.C fan.if we provide 220v D.C what will be happen?

13 Answers  

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Why Current Transformers cannot be connected in parallel

10 Answers  

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How is the speed of a DC shunt motor related to the armature current?

0 Answers   GE,

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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.

0 Answers   Piramal Healthcare,

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Whot is the difference between MCB and MCCB.Whot is the selection critearea for MCCB and MCB for 63 Amp.

5 Answers  

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What are the conditions for sustained oscillator or what is backhouse criterion?

0 Answers  

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1000 W bulb takes 4.16 Amps at 240 volt then what will be the KWH & if i am using 1000 W bulb at 180 Volt the amps will be 5.55 then what will be KWH????????????????

2 Answers  

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What is the current carrying capacity of 35sq.mm flexible cable?

0 Answers  

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