redundant connection in contactor?

2501

i want to know d working mechanism of tafe tractors next i like to know d engine type of apache bighs can anyone help me

2240

What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.

1345

What is the formula to calculate the no load current of a single & three phase induction motor

2276

How the setting of the vector surge relay shall be calculated when the relay is to be used for Grid islanding application?

2259

what happend to DC shunt motor if its field winding insulation becomes slightly weak? will that motor can run on full load or not explain in detail. thanks

1643

What is the effect of solar radiation on the design of an Isolated Phase Busduct?

2361

sir, iam a electrical engg graduate and i want to go in automation sector and for this i have decided to do industrial training for this,plz suggest me some good institute for the same in delhi,ncr. my degree percentage is 58%, can i get job after doing training, plz help....

2034

IN dc capacitive reactance is??

1391

HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT SWITCH BOARD,MLDB,ACB,BUSBAR,ETC...?

3945

Why is the starting current high in dc motor?

1125

HOW CAN WE DECIDE THE SUPPLY VOLTAGE FOR MOTOR ACCORDING TO ITS RATING(IF ANYONE KNOWS GIVE IT WITH EXAMPLE AND ITS CALCULATIONS)

1948

how to interlock 3 nos MCCBs using under voltage coil. please provide me circuit diagram?

2605

Please tell me the formulaes while designing a substation for power Calculations in designing a 33 KV Substation?????

1816

can i connect wavetrap in 2 different phase in EHV line?

1834