How much CTs are required to measure th curent in DOL starting of motor?PLs explain.

1 Answers  

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what factor is necessary during design of HT & LT MOTORS.

2 Answers   ABB, L&T,

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If single phase voltage level is 230V than why three phase voltage level is not 660V ?, but it is only 440V.

16 Answers   BSNL, DOS, EFS, HMT, L&T, TCS, ThyssenKrupp,

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What do you meant by soft start?

1 Answers  

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why phase always came one direction in 5pin socket(right hand or left hand) which direction and why..........?

4 Answers   Alstom, L&T,

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why we use the 100% and 95% stator earth fault protection for the synchronus generator ?

0 Answers   Operational Energy Group,

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How does "OUT OF STEP" relay ,for Synchronous motor protection, work?

0 Answers  

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WHY IN THREE PHASE CABLE 440V CURRENT FLOWS IF IN ONE PHASE 230V CURRENT FLOWS ???

3 Answers  

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what is Touch and Step voltages

1 Answers   Pinnacle,

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What is the difference between ohmic resistance and effective resistance?

2 Answers  

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what is 6 pulse and 12 pulse inverter? Explain brifly

2 Answers  

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What is the full form of CNC in electrical mechines.......?

1 Answers   Alstom,

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