ganeshkumar


{ City } hyderabad
< Country > india
* Profession * incharge
User No # 102546
Total Questions Posted # 1
Total Answers Posted # 8

Total Answers Posted for My Questions # 2
Total Views for My Questions # 3143

Users Marked my Answers as Correct # 22
Users Marked my Answers as Wrong # 16
Questions / { ganeshkumar }
Questions Answers Category Views Company eMail

in catridge heeter  watts =110, 260 v ,  i checked in multimeeter meeter shows 50 ohms but oms law r=v square /w  260*260=67600, and 67600/110=614.5 ohms  how to caluclate exact ohms in heetre s 

 2 Electrical Engineering 3143



Answers / { ganeshkumar }

Question { 28664 }

how to amps calculate from 1KVA?


Answer

In industrial 3 phase system 1 kva =1.39a
in transfomer give 1 kva =1.33a

Is This Answer Correct ?    0 Yes 2 No

Question { MRF, 8563 }

What is the basic principal of Diesel genarator?


Answer

mechanikal poer into electrical power , faradays law of electromagnetic induction

Is This Answer Correct ?    0 Yes 0 No


Question { ABB, 49390 }

what is the maximum load on for 10 kva & 25 kva transformer


Answer

hi all please remember in india 1 kva =1.33a then
10 kva = 13 ams use it only 80%load =13*.80=10.4 amp load
25kva*1.33=25 ams ams aprox we use 80% load 33.25*.80=26.6 a maximum load it is safty of trnsfomer

Is This Answer Correct ?    1 Yes 2 No

Question { TATA, 9317 }

How to calculate & connection of 900KVA generator
2 sets & load(1500A)?
How to choose cable size and ACB size for this load &
generator?
please explain me detail.

Regards,
Mr.Han


Answer

All dg 9oo*1.39a =1251a (415v , pf .8,)
1251*1.5 time full load current 1876 A
you choose 2000A breaker
300*6 sq mm2
or 225*7 SQMM2

Is This Answer Correct ?    1 Yes 0 No

Question { TPPL, 27669 }

what is 33 /11kv transformer bdv


Answer

bdv break down voltage in transformers should be minimum 40 kv

Is This Answer Correct ?    7 Yes 2 No

Question { 6066 }

How to calculate the voltage drop of 4 Core 50 Sqmm SWA
cable for a distance of 350 mtrs and what can be the
maximum load connected to it?


Answer

hi all my name is ganeshkumar from Hyderabad dee According to Poly cab standard the current carrying for 4C 50Sqmm STEEL WIRE ARMORED cable is 133A(ground) and 142A(air) ok use diversity factor demand foctor, all of i know use 80% load use in ex: 142*0.80=113 amps maximum load in air in ground 133*.80=106.4 amps maximum load

Is This Answer Correct ?    0 Yes 0 No

Question { 4670 }

How to generate neutral in DG set?


Answer

hi all we know all zebraic sum of the current meeting of the junction point is zero star point is 0 it is connected to earth( we are called neutral) for balancing per phases

Is This Answer Correct ?    0 Yes 0 No

Question { RFL, 6224 }

What is the current carrying capacity of 1.5 rm and 2.5 rm cable


Answer

pleese kindly write 1.5mm or rm
1.5 mm =15 a
2.5mm= 22a

Is This Answer Correct ?    13 Yes 10 No