hi i am aziz electrical associate engineer. i am faceing
problem in acs800 vvvf drive.it is tripping wothout any
alarm/fault.i cheaked all parameters and fault function of
drive, all are correct as well as communication
parameters.but still it is tripping (drive is tripping in
running position not in starting)
why Current is lead 90 degree and voltage is lag 90 degree
in a capacitor.?
why Current is lag 90 degree and voltage is lead 90 degree
in an inductor.?
I have applied for the of Jr.engineer(Electrical &
Electronics) & ASST. LOCO PILOT at ALL RRB BOARDS. please
send me all RRB Boards solved papers
in the year of 2001 tO till date.
i requested send me the papers to my id as soon as
(This is very urgent)
how balanced in star delta connection ?
why solinoid coil used in tripping rely?and why not other
If I want to lift the water at a height 50m from ground
level through two inch(diameter) metal pipe then what is
the capacity of motor pump is required? is it possible in
single phase supply or not?