can u please tell me how VFD(variable frequency) drive is
used as a energy saver....?
Answer Posted / girish kumar samal, hindalco,h
in vfd we change both frequency & voltage. as we control
frequency so speed will control * hence torque &hence
current. as both current , voltage controlled so energy
saved.
Is This Answer Correct ? | 6 Yes | 7 No |
Post New Answer View All Answers
list the advantages of RCCB over other circuit breakers?
How we can come to know the substation range,without go through any name plate ?
How out of step protection relay works?
What is the difference between acs 550 & acs 850
what would happen if reactive power (kvar)is increased (more)or decreased (less)? how much exact reactive power should be maintained? and what should be done for that
Explain Random and Deterministic signals?
my UPS suddenly goes off and all panel light also blow off.This happens even main electric supply is not interrupted.After some time it automatically starts functioning normally.Batteries are new.
what is mean by dual digital protection in the relay field?
Difference between shunt, PMG and AREP excitation. Which is the most reliable between PMG and AREP.
brief notes on ammeters
WHAT IS DEGREE OF COMPOUNDING IN D.C MACHINE MEANS? HOW TO READ THE OPERATING CHART FOR ANY ELECTRICAL MACHINES?
What is difference between mcb and mccb.
mccb service sittings be done?
"TRANSFORMER MODELING AND ANALYSIS" MEANS WHAT AND WHICH TOPICS U READ IN THIS
Write a note on materials used as a fuse element.