Answer / jesudosannaporani

voltage present between to phases in a three phase motor is
440v

what is the difference between a feeder and a cable?

3 Answers  

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what are the breakdown voltage rating of mini- curcuit'transfarmer!

0 Answers  

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How relay works, reverse relay, master relay, os relay, earth fault relay and what is its setting point

0 Answers   cpgn,

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what is RTD? what is THERMOCOUPLE? What is difference between it?

2 Answers   Bhel,

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i want to ask that as everybody knows that in star connection on star point is called neutral. my question is that why on that poin called neutral. what is the reason behind it. what is the logic behind it. i heared somewhere that on this point all phases current become zero thats why. if this answer is right then prove why on that point is current become zero. if this answer is not right then tell me the right answer. post ur answer here or on my mail address. m.ikram786@yahoo.com m.ikram555@gmail.com. thanks.

1 Answers  

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what do you mean by PF correction. A motor is rated at 15 kw,415 volts, 0.7 pf and eff of 0.92. The powerfactor is improved to 0.98 by adding capacitors at the bus. calculate the current drawn by motor under full load condition before and after pf correction

5 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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What is the meaning of STAR POINT? Why this important in CT and VT?

2 Answers   L&T,

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why is the earthing pin on 3 pin top are big and thick

3 Answers   Marriott,

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When Neutral exceeds or equals the phase current in both single phase * three phase system?

1 Answers  

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Dear Respected sir how to test ABB REX521 protection relay by relay tester.

0 Answers  

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Why red,yellow,green colours lamps are used in the traffic control?

2 Answers   Samtel,

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