Is there a chance for a motor speed to become negative..?? What is the reason for such a phenomenon.? In that case does the motor works as a generator..???

1 Answers  

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which meter used to measure a flus

2 Answers   RRB,

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is it ok to switch lights from a mcb instead of switches

5 Answers  

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what is a bus post insulator? explain its application in a substation.

2 Answers   Enercon, HAL,

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what is the difference between high impedance REF & REF, same high impedance differential protection & differential protection for Power transformer?

1 Answers  

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Why the core of a underground cable is spiral in shape instead of straight??

3 Answers   Mecon,

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What is EHT(Abrebiation,Function,Voltage Regulation & how it works?

2 Answers   Adhunik,

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What are the different modes of plc processor?

1 Answers  

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What is trip and closing coil in cb? Why need of them

1 Answers  

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Explain The Application Of Storage Batteries?

1 Answers   ABB,

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what is the senstivity and stablity? what is different?

1 Answers  

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Why NGR is provided in sub station?

4 Answers   MMS,

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