ELECTRICAL DRIVES: can a motor load system with passive load torque can have equilibrium speed in second quadrant

6317

what will happens if one phase is missing for 33/11kv power transfomer and why?

2645

What is the power factor of a transformer at no load?

1106

new 90kw motor installed so how I purchased cable ,fuse,etc please give me technic for cable selected why always capacitor delta connection

1811

what is the total power generation in india?

2324

What is the difference between acs 550 & acs 850

5804

Why DG set is not installed in Terrace ??

1114

during installation time of transformer and alternator which points we have to observed?

1942

HELLO EVERYONE, I RECENTLY HAVE FOUND ONE PROBLEM, I WAS TAKING NO LOAD TRIAL OF AN HT MOTOR 920 MOTOR , 1440 RPM , 6.6 KV, WITH AUTO TRANSFORMER. AT 450 V, LOAD WAS 40 AMP AND SPEED WAS 250 RPM. BUT AS WE INCREASE VOLTAGE FROM 450 TO 480V, LOAD BECOME 41 AND SPEED REDUCED TO SOME RPM . SO WHICH PHENOMENON ACTED HERE FOR REDUCING SPEED.?? AND IS IT HAPPENING ALWAYS OR IT IS RARE? I ALSO HAVE FACED SUCH PROBLEM WITH FEW LT MOTOR ALSO.

1959

What is vacuum circuit breaker.define with cause and where be use it device?

1303

how to find motors H.P. whout any rating? (only give you a motor and multimeter)

6083

Earth has zero potential then what would be the neutral potential ?

1429

if the motor rated speed is 950rpm. how to change the above rated speed? is it possible?

1408

hello!my name is sheikh iam preparing for indian engineering servieces,please send me the old question papers..to sheikhshaazforjobs@gmail.com

2084

draw the block diagram of fire alarm?

5422