What is basic difference between Soft Starters And VFD
drives?

Answer Posted / n.satheesh kumar

By using Soft-Starter to limit or control the starting
currentsource current of the motor.And it provides the
smooth starting for the motor.But in VFD is depending upon
the frequency.

Is This Answer Correct ?    11 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

SIR, GIVE ME OPGW SAG CALCULATION FORMULA I AM DAE ELECTRICAL. THANKS

5969


Why AC current leads voltage in capacitor and how?

1617


How to decide cable tray size?

722


boiler is running in rankine cycle and deisel generator is....?

1568


What is the maximum No. of out going mccbs permitted from an LV distribution paqnel? What is the ampere relation between incomer and out going switch gears/mccbs?

1466






pls tell us AC plant are how do work and parts name with picture

1455


what is transient voltage?

1793


what is the calculation method to design core and winding of a 200kva 3phase distribution transformer?

1936


What is the maximum number of swithes that can be connected in series up to down stream point in an LV Distribution system?

1529


what is is the potential diffrence between two phase ?

5368


Leakage current,un balance current which relay using for high voltage transmission?

1637


how does the terminal voltage of transmission lines increase when a capacitor is connected???? This happens not only in transmission lines but also in all circuits. How??? When a capacitor is connected in a transmission line, capacitor also takes energy from the same supply. But how is it able to increase the terminal voltage??? Practically What sequence of events happen during increase in voltage???

1616


iam working in power plant. In hot places tube lights are glowing at the end portion only. what is the reason for that?

1462


Importance of fault current in power transformers and how to monitor the same? How is it different from winding temperature?

1331


Difference between earthing & grounding.?

1586