Answer Posted / muchha mondal
in online ups system has two bypass one is static bypass which is work automatically when inverter off or any fault in inverter ckt the load is transfer to static bypass without interrupted, and anather is manual or maintanance bypass.the maintanance bypass use only for maintanance purpase it should be always off when ups working normal condition.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
how to changeover ups in this power failur time?
What are root loci?
model question paper for supervisor trainee
Why derivative controller is not used in control systems?
how we can find of current direction(supply comming/out going direction) when a transmission line passing through sides.
what is capacitor voltage transformer?? how it is different from potential transformer?
HOW WE KNOW IN PHYSICALLY THE CONTACT SURFACE OF A VACUUM INTERRUPTER IS GOOD OR GOING TO DAMAGE IN A VCB AFTER ABOVE 500 TIMES OPERATED.
63MVA,220KV/6.9KV Transformer LV side neutral is connected to Earth pit through NGR. Whether this earth pit required to connect with near by below grouding earth mat or it is to be kept separate?
on a three-winding transformer relationship delta-delta-star, on third winding why the relationship is a star? what are the advantages and disadvantages? Thank you and please help
how many electricity poles are there and what are the names and their sizes.
distribution is maximum done by a)radial b)network c) parallel d)b & c
what is differnce btwen lll and lllg faults
how to protect motor in dol starter having capacity of 30 hp.40 hp?
How two nos. 130 kw D.C motor get synchronise using D.C drive.
defination of lines
