can i have the methods of speed controls for 3 phase AC
MOTORS.

Answer Posted / srikanth

Speed of the 3 phase motor can be controlled by Variable
frequency drive. Speed should not be exceeding the rated
RPM of the motor.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is current divider rule (cdr)?

827


Why line VTG = √3 phase VTG in star? How?

1174


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

2473


What is bode plot?

811


can a 150 kva 3 phase 440v/230V delta-wye step down transformer can be use as step up transfoermer with connected loads at 440v side?

1259






what are all types of cross section in AC cables?

1836


how to discharge 3 phase power factor correction capacitors

1965


i want to run 11kv star connected motor in 6.6kv with delta connected throught inverter, is it possible?

1613


Iwould like to know barc interview questions

2652


What are the basic properties of signal flow graph?

683


why transformer tank is in rectangular shape what happen when it is in step shape

948


FOR 16/20 MVA 132/33 KV ONAN/ONAF TYPE TRANSFORMER IT IS DESIGNED FOR 16 MVA WITH ONAN CONDITION.IT BECOMES 20 MVA UNDER ONAF CONDITION.LOAD LOSS IS GUARANTEED FOR 65KW AT 20 MVA AND % IMPEDANCE 13.75. PLEASE TELL US AT WHAT LOAD LOSS AND % IMPEDANCE IT SHOULD BE DESIGNED FOR 16 MVA AND WHAT WILL BE ITS EFFICIENCY AT 20 MVA?

2945


difference between crane drive and line drive.

1400


Write down the name of 2 lady Bir Pratin of Bangladesh

1561


sir i want previous entrance exam papers for written test

1694