Answer Posted / mkk
vfd drive works almost t unity pf. so this mainly it saves
energy. if u connect motor directly it works on .8 of pf.
but vfd mainly used for better speed and torque control not
for power saving purpose
| Is This Answer Correct ? | 8 Yes | 23 No |
Post New Answer View All Answers
What is online and offline ups? how does it works?
Explain what cmos is and its benefits?
What is the name of the winding from which the supply is taken for load connections?
Why neutral cable carry current.
How To Convert Apparent Into Real Power Without Knowing Reactive Power?
WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?
how the inner and outer body is separated in aircrafts?
how is positive, negative, zero sequence is happen.. how is effect on 3 phase system
How do you calculate the actual power consumption of an inductive load appliance. Say, a deep freezer of 200watts
1. transformer design formula ? 2. how to calculate the primary turns and secondry turns ? 3. core types ? 4. how to find the primary current and secondry current ? 5. how to calculate the stacking factor ? 6. range of fulx density ?
What is an ac motor?
why the carbon brushes are broken in srim while the motor runningtime
why output is out of phase in case of common emitter?
What is primary and backup protection?
tell me about roaster switch .& what is the function in transmission & distribution?