Can a 150 kva 3 phase,440v/230v delta-wye connection stepdown transformer can be used in reverse as a step up tranformer ?
Answer Posted / e.subhash
yes we can use
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What are the parts in a inverter?
why dc is used in control circuits for MV & LV switchgeras instead of ac
what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero
what is cogging and crawling
If I want to lift the water at a height 50m from ground level through two inch(diameter) metal pipe then what is the capacity of motor pump is required? is it possible in single phase supply or not?
how slip power recovery system work
what is the use of Auto re-closer?
when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com
why wire sizes are 3/29 or 7/29 and why not wire sizes are 2/29 or 6/29?
if the motor rated speed is 950rpm. how to change the above rated speed? is it possible?
Is there any Institution for giving M-tech in Electrical engineering for those who r in service? Give the details please.
If 22 KV HT line, Current transformer is 25/5 then how to calculate multiplying factor.
please send me last 5 year interview questions
why motor range is available 22kv,30kv,37kv,45kv and so on? why motor range is not available 21kv,24,25,26,27kv and so on?
What is the difference between PS & metering CT (5p20,0.5 etc.)? Why in PS class CT only Vk is given ? Is PS class CT is more accurate than metering CT?