parallel operation for tansformer which condition fill fil
for that
Answer Posted / surendar
1)same polarity
2)must be same impedance voltage
3)transform ratio must be same
i.e V1/V2=I2/I1=N1/N2=1/K
4)same vector group & phase squence must be same
5)same make
| Is This Answer Correct ? | 1 Yes | 5 No |
Post New Answer View All Answers
What are the advantages of using distance protection schemes as opposed to normal overcurrent/ earth fault protection on high voltage feeders.
An ISP is granted a block of addresses starting with 150.80.0.0/16. The ISP wants to distribute these blocks to 2600 customers as follows. a) 200 medium size businesses; each needs 16 addresses b) 400 small businesses; each needs 8 addresses c) 2000 households; each needs 4 addresses Design the subblocks and give the slash notation for each subblock. Find out how many addresses are still available after these allocations.
How to synchronization will be done between two DGs ?
what sort of general awareness questions are asked in o.n.g.c entrance exam?????????????????
What is transmittance?
what is the criteria for selecting fuse rating in 1phase, 2phase & 3phase welding sets?
explain safety measures in alternator?
what rectifiers is and what are the types of rectifiers?
what is the ms flat constant for calculating earth mat design calculation?
How Calculet The UPS AH In Load
Single line diagrams for star to delta and DOL starters.
What are the special cables required for explosion proof wiring?
How to derive detailed design of Suitable bus Bar for 100A for 6.6KV?
1sq mm dc powr cable can carry how much dc currnt
Why do not we prefer non conventional sources of energy to conventional sources?