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HOW TO SIZE THE TRANSFORMER OR WHAT ARE THE STEPS INVOLVED IN FINDING THE SIZE OF THE TRANSFORMER FOR GIVEN LOAD SAY 2000KW ?
1 3698how to calculate short ckt current of trafo. ex.3-ph 3MVA trfo. 11/440, impdence voltage=7.25%
1 3964If two transformers same rating(11KV / 440V)connected in the same primary line(11KV), can we connect(bus coupler) secondary side directly or need a synchronization????
3 12050what is the maximum rating(KVA) of transformer can be used in distribution side..(11KV/440v) and why??
1 4626In a running D.G set engine and Alternator is revolving at 1500RPM but no output in the terminal>>>>what to do?? someone told excitation problem ....please advice
3 5964If the Power Factor of generator is 0.85...What does this mean and Can the motors connected to this generator operate at PF more than 0.85 ?
1 4382How can we calculate the efficiency of a Running (On-Load) Motor ? What parameters are required and what is the method ?
2039Post New Electrical Engineering Questions
What is the function of electron gun assembly used in crt?
What is the difference between earthing,ground&nutral?
What do you mean by reach and reach the point of the relay?
what reactive how to maintain
What is ideal IR values for ground and neutral.
1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?
Is it possible to protect 3phase overload and earth fault of the 3phase system using two CT's.
234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,
What is the difference between in Fourier series and Fourier Transform. and please tell me the difference between both of them and the why we use them in communication system?
Why is the starting current high in dc motor?
WHY IS THE EARTH FAULT CURRENT ALWAYS LESS THAN THE NORMAL CURRENT??
How does the phase sequence controller works, how it identifies the phases? confirm working principle
in a silicon diode we can measure .7v in a voltmeter.but why we can't use this voltage for using?
is it possible to turn on the single phase star delta on delay timer using 24 v dc ?
We are planning to synchronized DG's with our captive plant in the event of black start of plant, but before sync we checked voltage of DG with our plant voltage and it varies from 5 V to 450 V. So in this condition how we can sync DG with plant ?
