We have ONLINE UPS 15KvA (3PHASE 440V I/P,3PHASE O/P,440V)
I want to step down from 440 to 220 V What to do. Pl.
suggest with specification.
Answer Posted / arvind limited
UPS 15 KVA 3 PHASE 440V AC- battary capacity: 12vx25ah-30nos
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
Pls Breifly explain about UPS (Inverter,Reserve,Rectifier,Float voltage,Boost voltage).
in basic 2 phase will short means tripping the power but spot welding 2 phase shorting but not tripping it will welded why.....(Q)
what is stper motor
What is block diagram?
how load of a turbo generator can be increased
WHY BREAKER ARE USED IN SUBSTATIONS?
what is subtransient , transient and steady stateac components
please send me previous year questions of jspl through which i could prepare myself for the test.
why sometime we get electrical shock while touching the ballon of dish tv connection ? which we should not get.
Can anybody please refer the best and simple book for about Protection relays and in detail of all its protection ?
exolain the star delta connection
Define phase cross over?
How to configure the drives in PLC, through Profibus commnication. And to how to address it?
v/f drive basic princeple
how line turns ratio changes in 3 phase with change in connection