what collector is used for 100kmph-120kmph tracion application?

3 Answers   APTransco,

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What current flows in the transformer primary when its secondary is open?

0 Answers  

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For DG set,if the loading is increased,does flue gas temperature increases or not?

2 Answers   NTPC,

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A 10 MVA, 66KV, 50Hz, Y-connected 3-phase alternator has synchronous reactance of 0.635 Ù. It is working at full load at 0.8 lagging p.f. condition. Find torque angle, neglect armature resistance.

0 Answers   VECL,

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what diff. between earth nd neutral?

3 Answers   NTPC,

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What is the effect on Power factor and capacitor when your company load is more than 70 % of welding transformer

0 Answers  

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domine+aptitude test means?

2 Answers  

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Am using an electronic digital display to see the RPM of ABB ACS 550 drive, which is showing negative value when the motor & drive in stop mode but it is showing correct value during the run mode. can anyone help me out??

2 Answers   Bala Power Solutions,

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how we protect the motor & what are the components required for that ?

2 Answers  

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Can anybody tell me why inductors draw lagging current and capacitors draw leading current from supply?

4 Answers  

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how ELCB drip when earth and phase touch together?

2 Answers  

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what is the function of switch gear ?

10 Answers   Exxaro,

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