what is the similarity and difference between ups and
inverter?
Answer Posted / mohit.k.k
what ever above said is right but technically inverter is
that which convert d.c to a.c and its is a part of ups
(uninterupted power supply)
| Is This Answer Correct ? | 8 Yes | 8 No |
Post New Answer View All Answers
what are the principles of a booster converter?
I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?
Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault
why occ characteristics curve in not tracing back when we are bringing back the rhoestat?
What do you mean by screen of power cables?
Can anybody please refer the best and simple book for about Protection relays and in detail of all its protection ?
How many Zones can be in Conventional type fire alarm system & how can we detect the fire in Conv. type FAS?
draw the block diagram of fire alarm?
what is the diff. between x'mer , isolation x'mer & ultra-isolation x'mer ?????????????
What are the relays in ACB and VCB
what are carbondioxide and dcp used in fire extinguishers
how braking & making capacity of circuit breaker is calculated?
I have an existing old MCCB. ABB Model SACE, the rating are: Ue = 660 volts, Iu =1250 Amps, 3 poles, Ith (max) =800 amps at 45 deg C. I need a circuit breaker for my 3 phase motors, 380 volts 60 hz. the supplier required the minimum ampacity of the breaker to be 911 amps. can i use this breaker with rating of Iu =1250 amps but Ith = 800amps maximum?
What will be the size of copper cable (each for 3 phase and 1 neutral) from Service connection Kit-Kat to Panel Board (i.e. to main switch) for a 6 pole 3-phase AC induction motor of 200 H.P. capacity? Amp-255 A, Frequency:- 1450 rpm.
i have a 1500kVA transformer what is the kWH meter i need to use?