If we have a 2000kva load,How much kvar capacitors we go to add to improve the power factor at 0.9?pls give the calculation and fully theory?
2 6478How many types of Differential protection are there? and what the special arrangement are made at the time of charging of a transformer on the Differential protection?
1 2119How to select the different contactors ( starter combination) for different AC motors? what about fuse cappacity 4 different motors too?
2 5442Post New Electrical Engineering Questions
describe the constructional features of an auto transformer and its principle operation
Can we use Ccapacitive voltage transformer directly for metering purpose?
Explain the laying procedure and laying depth of submarine/subsea power cable for 220/400KV system? Also available cable diameter?
How servo stabilizer works.
what is the calculation method to design core and winding of a 200kva 3phase distribution transformer?
Which are resistive loads & which one are inductive loads : Refrigerator, Split air conditioner, ceiling fans, well pump, fluoresecent bulbs, T.V, CRT Monitors, Adsl Routers, C.P.U, Printers, Deep Freezers, Speakers, DVD Players, Microwave oven etc. ? Output Power for these Appliances Would be same like this : P = V * A * P.F Or would be changed ? thanks
How does a digital electronic meter work??????
List out the the types of Mounting Light fixture?
What is Tachometer used to measure?
what is the circutor?why we use it ?
Where I can get the sample question for post of Junior engineer electrical-II For RRB Bhubaneswar.
how to get electrical supervisor competency certificate in gujarat. i did 3 year diploma in electrical
State the other types of Air Conditioners?
draw the full wave and half wave circuit of 3 phase system and inverter circuit used in ups
for 100 HP Induction motor service factor is 1.2(SF) we placed a VFD at the motor side load is balance with 0.3 Amp's Phase to Phase but at incoming of VFD load is un-balance with 10 to 20 Amp's what will be cause of load un balance
