What is the vector group of a transformer,how can it be found out?

2052

difference between servo motor and synchronous motor

2330

I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF

4035

15hp motor wound by 0.9mm & 0.95mm magnet wire. at no load test it draw 4.2A current. Another motor with same condition draw 9.2A current. How can that occur? pls help

1580

two way ckt diagram can be drawn by how many ways? give diagram

1773

what percent do you derate your copper wire when you change from copper buss to copper wire

1991

what is the use of static frequency converter and static excitation equipment? and where it is employed? for what?

3482

Why field rheostat is kept in minimum position while armature rheostat at maximum position?

1106

what is mean by dry frequency

2460

diff. between tension mode & speed mode

2336

why we testing the core balance of the transformer before comissioning?

2167

DESCRIBE THE CONSTRUCTION ANDOPERATION OF BELT CONVEYORS AND SCR CONVEYORS , DRAW NEAT SKETCHES

2074

What are diffrent type of road taxes?

2028

Define corner frequency?

1203

what is the function of bearing in dc mchine" and where it is placed

2582