why phase to phase voltage are 290 rather then 440?

1 Answers   Bosch,

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1 hp single phase motor is more likely to get hot thsn inone hp 3 phase motor its true or false? If true why?

3 Answers   Focus, Focus Energy,

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what role neutral plays in electrical circuit? If neutral is not there what will be the effect

1 Answers  

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WHAT IS MEAN BY MAGNETIC LOCKING

3 Answers   Bhel,

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In any plant or substation main incommer voltage RY - 415 V,YB - 400 V, BR - 387 V(in commer feed from transformer 11 Kv /0.415 KV) why found voltage differance in each phase? plant have not self power plant it is depend on outsource grid

2 Answers  

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if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)

1 Answers  

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1.Can we use 6.6/11KV 300sq mm xlpe 3core cable for LT use (415 Volt). 2. If we use it for LT then what is the current rating

0 Answers  

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My question is abt backlog.I had dropped one subject in my second year, and completed this subject in the 3rd attempt, so how many backlogs i have got?1 or 3?plz sujjest the answer as soon as possible

0 Answers  

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What is the full form of SON-T lamp?

1 Answers   HAL,

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how is the testing of an REF relay? what are the test REF circuit having?

0 Answers   Siemens,

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why any inductive load need free wheeling diode?

4 Answers   Essar,

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For load of 1 nos 3 TR Air Conditioners,6nos of 60 Watt Tibe Lights, 2 nos 200 W Outdoor Lights,1 no Coffee maker.All may work at the same timehow do I select DG Set Rating ,pLease advise the calculations

1 Answers  

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