Why the transformers are rated in KVA. ? in new view.
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Is it required to lay 2 runs of GI wires along with armoured cables from one power DB Machines of higher rating?
can anybody sent me power grid questions. what subject should i prefer for preparation?
Whata are the types of Cables?
what is mean by parallel operation of permanent magnet generators
How to test the vector group of a Yd11 transformer? what are the relations to be checked between various vectors to confirm this vector group?
why swityard is necessrry requirement in any bis power distributin systems?
surge tank, hrc fuse, earthing transformer, firm power objective type
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.
how to calculate voltage drop and followed by cable calculation?is there avail in formula?
What is maximum power transfer theorem?
what is the IS foe lightning arrester?
What is step signal?
can anyone explain 11kV 3core cable megger,hi pot test procedure with connection details?
Why power genaration in India is at 50HZ while America its 60HZ
What is the technical difference between On delay timer and a Star delta timer?