When do you use a VFD motor?

Answer Posted / abdul

If I need different speeds..

It can be used to start heavy motors so the starting
current can be limited to normal running current.

Is This Answer Correct ?    6 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

where can the transformer having vector group Yny0 be used??

3584


What do you understand by oldham's coupling ?

644


circuit diagram of trip circuit supervision relay

1593


why should the primary of transformer be connected in delta in a heat run test?

1460


either water sensor or flow meter,how we observe the water level, f any other equipment are in market ?

1415






hai now i am working as a electrical design engineer in construction field can i get a job in oil and gass field or power plant project as a electrical design engineer?

1451


What are the different types of hydro schemes?

670


what is the ground fault relay,which purpose it will be use,clearly tell me plz

1584


what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?

1579


why we use two slope(differential & restraining) in differential relay.but in busbar protection differential we are using only one slope?please explain

1720


How can we calculate ac current from the given DC current when AC voltage is given?

1527


While testing a ZCT what parameters have to check or measure?

1887


In a 3 phase 4-wire system. For a 3.5 core cable if all loads are single phase and balanced, what will be neutral current? will it be sum of all phase currents? Or it will be zero? And if loads are unbalanced what will be neutral current?

1248


What are the differences between single phase and three phase?

1529


What is signal flow graph?

646