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

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why we test the core balance of the transformer?

1 Answers   Siemens,

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difference between crane drive and line drive.

0 Answers  

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What is the maximum operating temperature for a thermoplastic insulated cable?

0 Answers  

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What the difference between ac and dc inductor an capacitor

0 Answers  

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What happen if an alternator rotates in reverse direction?

3 Answers  

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Differentiate between real and apparent power?

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What is basic fundamental for choosing NGR or NGT for any generator neutral grounding

5 Answers   EDF,

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what is the synchronous timer ? and it applications.

0 Answers   CPCL,

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Differentiate between voltage and current feedback in amplifiers?

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How do we calculate the resistance per metre of single core aluminium stranded cable 19*3.25mm sheathed in pvc,at 15 deg C temperature?

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What is the purpose of lighting Transformer used in Industries for Lighting illumination? Its necessary or not?

2 Answers  

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