What is the differentional relay...what is the work of this in power Tx. how it is works..

0 Answers   ABB,

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How to take Vector group test of Transformer?

16 Answers   Sunflag Steel, Zuari Cements,

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how can i determine the gear ratio for a rack and pinion system if an electronic gate operated by an electric motor is to travel a distance of 5meters in 15 seconds.

0 Answers  

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in battery charging room we find two fuses (one in positive other in negative cables ).why it is so?one fuse is ore than sufficient?

0 Answers  

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what will be happened when a single phase motor is supplied by the dc supply

3 Answers  

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If load current is 70amps or 50amps what range of CT to install for ampere metering

3 Answers  

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what is looping circuit in electrical lighting circuits?

5 Answers   L&T,

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if name plate detals of a motor or any other is missing then how to find it

1 Answers  

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Explain the method to keep noises low in a control system?

0 Answers   HPCL,

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What is the formula to calculate the KVAR value of a capacitor, while value of capcitor in farads is known.

1 Answers  

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What is the role of Dedicated earthing in UPS System?

0 Answers   HCL, MSPL,

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How can we define 'Phase'

4 Answers  

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