can anyone show me how the 3 phase power is supplied to socket outlets?

1305

which are the criterias needed to select the kind of neutral earthing(solid earthing,resistance earthing,etc.) at various voltage levels in electrical distribution?

1336

what happens to the water pump if ground water level is slowly decreasing?our water pump is varying from no-load full-load due to this problem

1022

Does the motor power displayed on the Motor name plate is the mechnical power motor delivers or it is consumed power from the system?

2933

How to know Resistance and Reactance value of main and aux winding of single phase capacitor start capacitor run induction motor to find capacitor value?

1335

I have an existing old MCCB. ABB Model SACE, the rating are: Ue = 660 volts, Iu =1250 Amps, 3 poles, Ith (max) =800 amps at 45 deg C. I need a circuit breaker for my 3 phase motors, 380 volts 60 hz. the supplier required the minimum ampacity of the breaker to be 911 amps. can i use this breaker with rating of Iu =1250 amps but Ith = 800amps maximum?

1557

How many kw will suply from one db

921

i have some screw comprressor with 630kw power,i have established them with simple star to delta circuit,by the way there is so much inertia when the screw comprressors start, can you offer me contactors power with 400vac or any cataluge to choose the contactors

1192

what is the Pickup/drop off ratio in BCPU relays

3789

Define phase cross over?

485

Where can I get CPWD electrical specifications & Shedule of rates? Please help me

1626

how to changeover ups in this power failur time?

1312

Main advantage of auto transformer over two windings transformer is that A it needs no cooling B it uses only one winding C core losses are reduced D it has simple construction

2292

How to calculate wire length,size & current? ( related to control panel)

1498

how to decide choke rating for drive?

1672