What type of isolation transformer used in UPS's??
It's Star-Delata Or Delata-Star????Why it is used????
Answer Posted / ravi
IT IS DELTA-STAR ONLY.
TO PROVIDE SINGLE PHASE POWER SUPPLY i.e PHASE TO NETURAL
CONNECTION IT IS USED AS A DELTA-STAR TRANSFORMER.
| Is This Answer Correct ? | 11 Yes | 9 No |
Post New Answer View All Answers
how we can find of current direction(supply comming/out going direction) when a transmission line passing through sides.
Two bulbs of 100w and 40w respectively connected in series across a 230v supply which bulb will glow bright and why?
why we have and use 3 phase not 2 or 4 or other in power system?
how do i work out the Amps of a incommer if i am running 1 37 KW motor and a 0,75 KW motor and some solinoids
What is difference is of VSD,VFD,VSDS, are they the same as the direct current to control dc using above mention
Is it true online ups having bypass mode if it is true then why we called ups because it is interrupting power when goes in bypass mode
why the starting voltage drop in a cable needs to be limited?what is percentage of the voltage drop allowed during starting?
A 10 MVA, 66KV, 50Hz, Y-connected 3-phase alternator has synchronous reactance of 0.635 Ù. It is working at full load at 0.8 lagging p.f. condition. Find torque angle, neglect armature resistance.
i have flexible wire. size of conductors is 0.190 mm & no.of conductors are 48. then size of wire comes 1.37 sqmm instead of 1.5 sqmm . the what is tolerance for this size.
Is neutral transformer can be called as control transformer?
How grounding is different than earthings?
What does the kvar means?
What is Surge Capacitor? Why it is use in Generator Circuit Breaker?
What is step signal?
size of condotory fron voltage level