Answer Posted / magbul
vfd means varieble frequency device, use to change the
speed of motor as per requirement. power is directly
proportional to frequency and to reduce the speed you are
reducing frequency interms power is saving is being done.
| Is This Answer Correct ? | 24 Yes | 5 No |
Post New Answer View All Answers
HOW THE OLTC TRANSFORMER SAVE ENERGY IN COMPARISON TO OFF LINE TRANSFORMER AND IS IT ECONOMICAL TO REPLACE THE OFF LINE TRANSFORMER TO OLTC TRANSFORMER
bitumar
We have 250 KW x 2 motors, which are load from 25% to 100% varying load in every minute , so how can we compansate the power factor. pl give your opinions on the above subject.
Classify milling machines.
what is meant by re-rolling motor? how it differs from standard motor?
what is proper capacitor placement? How to evaluate capacitor size?
In general bus riser follows the bus section in SWGR. What are impacts if bus section follows bus riser?
Why MCCB is Getting tripped sometimes when there is no load in the Midnight ?
Sir, plz tell me how droop setting is done in parellel operation od DG set ? please give practical example ?
hi friends if you have any 400KV Substation Erection and installations Drgs please send to me.My email id:kandi.suresh441@gmail.com
Define peak time.
how to calculate current and voltage in a same circuit?
CAN ANYBODY PLEASE TELL ME HOW TO DESIGN A SERIES REACTOR FOR LIMITING SHORT CIRCUIT FAULT CURRENT??
Cb closed condition if there is a tcs fail whether cb will trip or not
what is the Earth Voltages in Power Plants, Sub-stations, Industries, Residential & Commercial Buildings.