Answer Posted / pari
LSIG = Long-time + Short-time + Instantaneous + Equipment Ground-fault Protection
| Is This Answer Correct ? | 51 Yes | 6 No |
Post New Answer View All Answers
why generator efficiency is more in swinburnes test?
how to determine Sq.mm size of finolex power cables.
What is grid collapse? what is the reason for it?
how to Select Lighting arrester? What r the parameters to be considered for the selection of Lighting arrester ?
The synchronous machine excitation system explain
why high speed tripping relay is used in protection circuit why not normal relay
I want formula to calculate current loss with distance in km.I searched many sites but didn't right answer.Plz reply me
What are the insulation standerds for eg H clase and how many insulation standerds are there and its standerds??????
we use 400/5A ct and 35/roor3KV,/0.1/root3KV,0.1/root3KV pt ratio. What is the multiple factor of this meter.
A 15 kw squirrel cage motor having a maximum efficiency of 90% on a continuous full load has temperature rise of 42 degrees celcius after 30 min and 52 degrees celcius after 1 hr under the above operation conditions. a) calculate its final steady state temperature rise on continuous load and the heating time constatnt. b) if the motor is operated on a short load for 9 min estimate its temperature rise. c) calculate the maximum overload that can be applied on a short, 9 min rating so that the temperature rise is the same as the final steady state temperature rise on continuous load.
wow to calculate the transformer rating(KVA)
Difference of induction motor & servo motor ??
For high frequency application we use which transformer?
How can we calculate the efficiency of a Running (On-Load) Motor ? What parameters are required and what is the method ?
Define liftable weight of a transformer? Does the total weight of transformer include oil weight?