suppose if oil in transformer is not used than what
constructional change you will do,for insulation and cooling?
- 2 Answers
- 5284 Views
- ABB, I also Faced
- E-Mail Answers
Answer Posted / dharmarajsinh
cooling of transformers are based on rating of
transformer.however if oil is not to be used for same
rating than insulation lavel will be increes and than for
cooling force cooling to be provided and altimatly size of
transformer will increases.
| Is This Answer Correct ? | 4 Yes | 4 No |
Post New Answer View All Answers
please send the last 5 years {{{JUNIOR ENGINEER - ELECTICAL, ELECTRONICS RRB CHENNAI and secundrabad}}} TECHNICAL question papers TO MY EMAIL ID dinesh100701@gmail.com
how to calculate the earth fault current
Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.
wow to calculate the transformer rating(KVA)
Differenciate between circuit wiring and sub main wiring with illustrations
list the type of vfd? wich is sutable for heating kiln?
State how to produce a constant rotating field by application of alternating currents to stator armature of a three-phase squirrel-cage induction motor
State thevenin’s theorem?
WE ARE PLACE A NEW 75 KW MOTOR FOR JPF.IT IS CONNECTED IN M.C.C. WHEN WE ARE STARTING M.C.C.INCOMER IS TRIPPED.THEN WE ARE CONNECTED IN P.C.C WITH A MM30 RELAY PROTECTION THEN WE ARE STARTED MOTOR WILL RUN SMOOTHLY.
can we conduct the swineburne's test on a dc series motor? why?
why different series of vfds (like allenbradley)are used in industry ?
A 500 V shunt motor runs at its normal speed of 250rpm when the armature current is 200A. The resistance of the armature is 0.12 Ω. Calculate the speed when a resistance is inserted in the field reducing the shunt field to 80% of normal value and the armature current is 100A.
why can we use cosine wave instead of sine in ac supply as both have same rms vale and ripple factor
HOW TO CALCULATE CAPACITOR BANK OR HARMONIC FILTER CALCULATION
Pleae send me last 5 years of Question book about RRB chennai.
