which motor is used in electric train...???????

27 Answers   ESPL, IOCL,

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seromechanism

4 Answers   Bhel,

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how can we connect a distance relay to CT core that is for backup protection or metering?

1 Answers  

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How to decide whether A / B / C / D curve type MCB should be used?

0 Answers  

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What is ZCT? it operating principle and how is work with RCCB (residual current circuit breaker)?

4 Answers  

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What are the basic & Majour problems in UPS ?

0 Answers   Roto Power, RotoPower,

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If an electrical component has a positive temperature coefficient, how come such components have high power losses due to heat if current decreases when resistance increases? assuming power given by I^2*R whereby the Resistance is infinite.

0 Answers  

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WHY WE NEED AUTO TRANSFORMER,WHERE WE CAN USE?

5 Answers   L&T,

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when we r using single phase load and we have power cable of 3.5core with .5 of neutral and neutral is suppose to the returen path of the phase how much current will flow in the neutral.reply.

2 Answers  

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what is slip what is the use of slip?

1 Answers  

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what is the work of trip circuit supervision relay?

2 Answers   Volkswagen,

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WHAT IS VCB SAFETY

0 Answers  

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