what is the criterion for selecting vector group of Transformers ? i mean how to decide vector group of Generator transformer, substation trasformer and transformer at consumer end

2287

Is the installation of the filter cloths necessary before spreading the gravels at the transformer yards?

1904

What size cable (based on voltage drop) is required to supply a 40 A three phase boiler if the wiring system is 75V single insulated cables installed in non-metallic rigid conduit 56m from the main switchboard? Voltage drop in the consumer's mains is 8V.

1927

How To increase Knowledge Of boliler regarding To Only Electrical Field..

1575

I NEED RRB APTITUDE QUESTIONS AND MODEL PAPER,PLEASE SEND MY E-MAIL joo28_eee@yahoo.co.in

1873

how is the connection of a 3 phase ct trivector meter done on a pole mounted transformer

1321

how will we calculate the copper wire load..

1896

What is difference between YNyn0 and YNyn ??

2473

What happens if the series current double?

1434

How we calculate the Multiplying Factor of Kwh meter for 3 phase alternator.

1847

clarify types of motor operated valves and advantages

1861

what are the standard IR values should be of R-E, Y-E, B-E, R-Y, Y-B, B-R of VCB in closed condition and in open condition for 500KVA & 1000KVA transformers. and what is the acceptable range when tested by 5000V megger.

2288

HOW WE CALCULATE CURRENT IF THERE ARE NOT PRESENT ANY AMMETER OR MULTIMMETER??????

1812

In a synchronous motor. if start is running at high speed.  What will be the starting torque : Higher Lower Zero

1668

what is control supply rating of a machine

1934