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

why extension in transmission tower is made?

1 Answers  

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how an electron flow in a wire. can it flow like a car running on the road?

2 Answers  

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we change the speed of the synchronous motor by incresing or decreasing a rotor resistance

1 Answers  

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Is it possible to make 0.75KW motor earthing from MCC panel by using the 1.5 SQMM, 4 core cable, means 3 core for 3 Phases & 1 core for Earth terminal?

4 Answers  

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1 Amp = kva ? 1 Amp =KW ?

3 Answers   Marriott,

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How delta connection in the primary of distribution transformer reduces harmonics?how delta connections reduces harmonics?Please answer me...Hope that question is correct.

0 Answers  

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how much earth resistance consider to commissioning the transformer?

3 Answers   Deccan Cements,

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What is Generator Protection & Transformer Protection?

3 Answers   Areva,

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what is a diffrence between MCCB, RCCB, MCB, & ELCB ? what is rated current e.g. on motor name plate indicated that is rated curent? what is full load current? If we run D.C. motor with mechanical coupling and we measure voltage on terminal it shows voltage or not ? same in AC also possible ?

5 Answers   Reliance,

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Where there is voltage,there must be current.Is this right or wrong??

10 Answers  

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what is the relationship between induction motor and transformers?

11 Answers   College School Exams Tests, Engineering, Reliance,

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If carbon brushes spring tension either loose or tight, what happen on Motor performance During Full load Operation?

5 Answers   Electrex, HP, TATA,

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