Answer / rajesh

Air circuit breakers can be used for LT (415V). For higher
voltages (27.5KV etc. encountered in the railway
use),Vacuum circuit breaker is needed.

Answer / aditya dash

air circuitbreaker

When should I use earth leakage circuit breaker for incomer and when should I use it for each feeder seperately?

1 Answers  

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what is the necessity of under ground cables ??

0 Answers  

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why are we using multiples of 11 in substation.

2 Answers  

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Rotor resistance starter is used to obtain= A increased starting torque B decrease starting current C decrease starting loss D increase efficiency

1 Answers  

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what is surge arresters ?........

7 Answers  

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What is technical difference between ELCB & ELMCB?

3 Answers  

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How can i calculate heat load ?

3 Answers   DSSR, NSN,

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how to decide cable rating? send me cable size,ampere rating data

2 Answers   Bhel,

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What is the difference between Welding Transformer and Normal Transformer?.

2 Answers   DAE,

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difference btw neutral and ground?

2 Answers   ERG,

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What is the difference between grid and off- grid system??

0 Answers   GVK,

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does the Trivector Meter of three phase automatically takes care of the low power factor and gives the reading accordigly or it does not take care of the Power factor while giving the readings please explain

0 Answers  

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