Answer / gopal manda

low impedance protection low protection at over voltage,and high impedance protection provide more protection at over voltage.it offer the impedance against over voltage.

How do we check transformer losses and what are the ways to minimise it.

5 Answers  

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Transfer of electric power from primary to secondary in a transformer takes place A electrically B magnetically C electro-magnetically D conductively

2 Answers  

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1) name the communication cable and how it is communicate in between plc to modbus , plc with hmi? 2)name of the communication cables?

1 Answers  

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sir,i am swati. i am goin to gv jspl exam on 21st nov'10. iwant previous year question paper. plz help me out. my emailid is swatisinha.dav@gmail.com

1 Answers  

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What is protection for single phasing ?

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name 3 measuring instrument used in transformers

4 Answers  

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What is diffrence bitween electrical and electronics ?

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What are the functions of different probes used in cro?

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why the supply power frequency is 50hz in india? where as it is 60hz in US?

4 Answers  

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We have two 1 phase heating coils having same resistance of 25ohm, but during operation one takes 3A and other 6A Is it posiible Pls. explain

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What is RTCC in a transfomer and specify its function.

11 Answers   MCB, Vodafone,

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explain working principle of earth leakage relay

0 Answers   Divis Laboratories, SMIORE,

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