How to know motor winding is star or delta connected without see the information table and winding connection ?

5 Answers   NTPC,

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RATING OF LIGHTENING ARRESTER FOR 11 KV LINE IS 9 KV BUT WE KNOW THAT LIGHTENING ARRESTER IS USED FOR OVER VOLTAGE PROTECTION SO WHY NOT THE RATING OF LIGHTENING ARRESTER BE MORE THAN 11KV ???????????????//

5 Answers   Hakel,

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what would the resistance of a 110v 150w submersiblepump motor windings be

1 Answers  

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How electrical power is generated by an A.C Generator ?

1 Answers   Hindalco,

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What is trickle charging system?

2 Answers   Absotherm,

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wath is this mining of bts

2 Answers   Nokia,

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Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?

2 Answers  

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How will A Medium voltage circuit breaker(11 kV voltage level) operate under short circuit fault condition whether It is having short circuit release like Low voltage circuit breaker or relay should be given?

0 Answers  

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What do you mean by S.F.U. unit? application of it.

16 Answers   Indo Asian,

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how can we represne the analog signal and digital signal if want to measure the speed and we have to use PLC

2 Answers  

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What is Phase margin?

0 Answers  

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Why dc supply is used for closing and tripping coil of ht breakers. What happen if we use only ups ac supply only.

12 Answers   ACC, JLL, ZETDC,

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