Interested to Buy Any Domain ? << Click Here >> for more details...
how many types of ratings are there of transformer
- 5 Answers
- 9945 Views
- Met Trade, I also Faced
- E-Mail Answers
Answer Posted / fernandez
Ratings are provided for normal cooling and forced cooling.
Usually for the same transformer, you will get a higher
rating with forced cooling than with the normal cooling.
| Is This Answer Correct ? | 6 Yes | 3 No |
Post New Answer View All Answers
How to calculate that clean water supply in one Day from 150 KLD STP?
what is the safety of voltage power transformer(2250KVA0
When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?
What shall be the secondary output voltage if the primary winding of a 220/6V, 50 Hz transformer is energized by an 110V, 60 Hz supply?
Why does curving the pole faces in a dc machine contributes to a smoother dc output voltage from it?
How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.
WHY DO VOLTAGE TRANSFORMERS FAIL DURING EARTH FAULT IN THE DELTA CONNECTED 6.6KV ELECTRICAL SYSTEM
why it is not advisable to run low rating (19KVA) DG sets in parallel for long durations even though they are provided with droop ckts (QDC)
What is meant by celling voltage & current in excitor ?
sir please send me iocl written test paper in my e-mail account. i'll be obliged to you........ thank u roshan
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
What is the difference between isolators and electrical circuit breakers?
How many points does a Circuit can have?
How to calculate the copper in HT motors if KW, RPM & Voltage is given
How to do maintenance of transformer feeder.
