vipin shishodia


{ City } dadri/noida
< Country > india
* Profession * asst. facility manager
User No # 36852
Total Questions Posted # 0
Total Answers Posted # 5

Total Answers Posted for My Questions # 0
Total Views for My Questions # 0

Users Marked my Answers as Correct # 11
Users Marked my Answers as Wrong # 16
Questions / { vipin shishodia }
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Answers / { vipin shishodia }

Question { ABB, 9396 }

if we convert kva into Ampers,which one formula use by
us,pls tell me?


Answer

If, we convirt KVA INTO AMP, following formula wil be
appliesd.

I= P/V*Cos(PI) ...........for single phase

OR I = KVA*800/[V*Cos(PI)]

I= P/1.732*V*Cos(PI) ...........for three phase

OR = KVA*800/[1.732*V*Cos(PI)]

Is This Answer Correct ?    1 Yes 0 No

Question { HCL, 10216 }

how many earthing should need for UPS, where its connected


Answer

Duel Earthling for body & one earthling dedicated for
neutral.

Is This Answer Correct ?    0 Yes 2 No


Question { Field Gun Factory, 23917 }

how to reduce earth to neutral voltage?


Answer

# 4 is the best & right answer by Shahed as I faced &
resolved this problem with this method only.

Is This Answer Correct ?    4 Yes 1 No

Question { 3899 }

what ever the ups kva it may 500 kva or 500 va always out
put is AC 240 volts its right?


Answer

Yes,

Is This Answer Correct ?    4 Yes 6 No

Question { TCS, 15992 }

why transformer are rated in KVA not in watt?


Answer

As we know the load power factor is unknown for the every
transformer, we take its rating in KVA = V.I.Cos.ф. so that
whatever would be the power factor, can be taken to
calculate the load.

Is This Answer Correct ?    2 Yes 7 No