Why use the vcb at high transmission system ? Why can’t use acb?

1326

How many double suspension hardware fittings are required on a double circuit transmission tower?

1929

Why insulation level follows this order? transformer < bus bar < circuit breaker & Isolator < transmission line.

2145

what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

2275

how to maintain frenquncy with syncronising sub-station for distribution

2134

wat is d diffr btw shunt coil and trip coil in VCB?

2833

what is the safety points of vaccum circuit breaker.

2089

An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor reactance at stand still is A 2 ohm B 1.25 ohm C 3.15 ohm D 2.25 ohm

2285

what causes contact chatter when there is no demand on the air conditioning unit?

2045

trasnfarmaer core make

1968

i want to model paper for section engg.

2009

What is the ideal position cooling fan inside the dc motor?

2091

Define stepper motor. What is the use of stepper motor?

1228

how can we say that stator magnetic field rotates with synchronous speed?can we derive?

1776

Whether it is possible to measure energy at the input of rectifier transformer (12 pulse with very high odd harmonics)

1904