What is the formula for calculating transformer Efficiency?2 3634
What difference between MCB,MCCB,RCCB,ELCB please explain briefly with its rating.3 7549
what kind of motors are used in the winders of coal field?and what are the various methods of it's speed control?1 2264
what is ratio test?1 2332
why capacitors cant used in genset to maintain power factor..??2 3487
why we are using DC supply for all protection relays, why cant we use AC supply..???1 3867
Please brief me about number of pole in alternator.In single phase alternator coils are connected in star or series. How to calculate frequency for the same.960
MCB MCCB ACB VCB1 2977
what will happened if generator runs with slow speed?3 3730
my UPS suddenly goes off and all panel light also blow off.This happens even main electric supply is not interrupted.After some time it automatically starts functioning normally.Batteries are new.1124
What are the two major types of control system?
I am an American living in Vietnam and I have recently gotten a refrigerator from Japan and it is rated for 100 vac, but the power here is 220 so I bought a voltage stabilizer it has a 1 kva output rating. Can you please tell me what the amperage is? I'm confused and without a working fridge.
hi , i have 150 kw loud and we need 50 m cabil,i want to know wich size cabil we use. thanks
Can any body tell gulf interview question for experienced electrical engineer ?
how to select automotive wire by mathematical equation with given current, vlotage and resistance
what is the cause of voltage dipp or swell in the transmission lines?
State the formula for overall efficiency of thermal power station
How many devices can be connected in one zone of FACP
what is the formula for computing cable tray size & capacity
when it is possible kvrah lead & fundamental kwh be equal in electonic trivector meters (3 ph)
What are the different losses In a de mac1une'! t.xplam
What is power factor why we should maintain the power factor unless what will happen
What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?
how flow current in 220 kv line to line
A d.c. Shunt motor is found suitable to drive fans because they require?