Answer / snowwhite10

numerical relay is a microprocessor based relay ...it works
according to the program written using microprocessor.

Answer / naresh nari

numerical relay is a relay which is operated on the bases of numbers.that numbers are coded in the program for the relay operation.hence it is operated depending on the time delay i.e number of cycles per second

state the functions of different parts of star delta starter.

1 Answers  

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how to calculate efficiency of voltage and current controlled welding transformer?

1 Answers  

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what type of relays used in transformers?

24 Answers   APTransco, BSNL,

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Differentiate between low pass, high pass and band pass filter?

0 Answers  

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how to identify the cable quality and what is flame proof cable

0 Answers  

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HOW TO CHECK THE VECTOR GROUP OF A TRANSFORMER YD11?

0 Answers   Siemens,

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what is the iron loss in a 11KV/440V transformer?

2 Answers   Bhel, TVS,

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What are various modes for Mechanical interlocking of breakers (for both MCCBs & ACBs)

1 Answers  

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Why do we mostly prefer to generate and distribute electricity in 3 phase and not in 4 phase or 5 phase?

0 Answers   IOCL,

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What is the functaion of IGBT in UPS system?

1 Answers  

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what is the difference b/w absolute encoder and incremental encoder?

0 Answers  

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why 3 phase is converted into 2 phase using electronics circuit why not 2 phases are diresctly putted from the 3 phase transformer??

0 Answers   Descon,

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