Transformer Specification say 66/11KV, 23/27/35MVA
OFDAN,what is OFDAN? we know ONAN,ONAF or OFAF
- 2 Answers
- 6130 Views
- Siemens, I also Faced
- E-Mail Answers
Answer Posted / mihir
ONAN-OIL NATURAL AIR NATURAL
ONAF- oil natural air forced
ofaf-oil forced air forced
| Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current
HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS
Which standard we are following earthing resistance test
how maney type tempereture measurement ?
how is positive, negative, zero sequence is happen.. how is effect on 3 phase system
What are marginally stable systems?
Draw a block diagramof Three UPS systems connected in Parallel mode?
Electrical 'C' license full abbreviation , and full form
xfhnchncv?
sail kaott diploma ece ke interviw me qus.kis parkar ke aate hai aur G.S me kya puchate hai kya sameedyaan me kis parkar ke qu.puchate hai
what mean by analog ,digital,numerical meters and relays? say the example?
in Contactor opearation Why there is a difference in the values of the operate and release voltage in case AC supply
how to select diiferent power transformers of same capacity on no load loss and full load loss by economical point of view.?
Why should be the frequency 50 hz 60hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50 hz 60hz?
What is meant by time harmonics and space harmonics?
