Answer Posted / amit saha
VFD MINING VARIABLE FREQUENCY DRIVE. VFD IS TO
CONTROL THE SPEED OF THE MOTOR, TORQUE, CURRENT BY
CONTROLLING THE FREQUENCY .
BY AMIT SAHA
| Is This Answer Correct ? | 3 Yes | 1 No |
Post New Answer View All Answers
How energy is generated in hydroelectric power plant?
The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?
how the phase convertor changes the no. of phases
how to determine motor size for a fan application?
sir, i'm preparing for hpcl exam officer trainee pls tell me how the exam ques paper pls pls
Why we use duplex coil and hook switch in telephone system?
could an induction motor be used for regenerative braking in electric-train control? in this type of application would some scheme have to be devised to obtain low synchronous speeds while braking? would induction-motor drive, therefore, be suitable for passenger service?
what is differant beetween overload current and phase current?
How the frame size of a flange mounted AC induction motor is calculated?
why the rotor current becomes in steady state during high slip region? please verify with equations.
sir pls send the je exam - 2008 and other model question papers..
What is systematic error?
describe the fully control circuit diagram of ac drives
Power Factor Correction Panel (Manual & Automatic)
Pls tell me whether we can use EN3A material for shafts of Permanent magnet alternator.What will be the effect of magnetic and nonmagnetic material for shafts on magnetic properties of PM rotor .