what is restircted earth fault relay,how it works? what is diffrance btwn normal earth falut relay & restricted earth fault relay?

1 Answers  

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What is the difference between surge arrestor and surge capacitor?

2 Answers   Shreem Electric Ltd,

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which motor gives constant speed?

7 Answers  

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what's the meaning of the negative going half cycle in the circuit containing a bulb and a switch in series with a input ac source. i mean what happens in the -ve cycle. the dir. of current changes or any other thing. if dir. changes then why we use fuse in only phase wire.

2 Answers  

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what is main purpose of ignator in halogen lamps.how to identify the failer of ignator in circuit

0 Answers  

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What is mean by powerfactor. What is the difference between leading and lagging power factor?

2 Answers   HCL,

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What is transmittance?

0 Answers  

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what is the diffrence between R Y B phase and why it is called RYB

5 Answers  

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why scott connection is done why not two phases are directly picked at the output of 3 phase transformer??

1 Answers  

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what is the difference between neutral

10 Answers  

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How much duration I can keep open the CT if it is under loading condition(100 Amp load)?

3 Answers   Infosys, NTPC, Suzlon,

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what is the difference between Current transformer & Capacitive voltage transformer

2 Answers   ABB,

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