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
in dc shunt motor if field winding is shorted then
WHAT IS SUBSTATION & ACCORDING TO VOLTAGE HT,EHT SUBSTATION EXPLAIN IT
what is inverter and converter
mccb service sittings be done?
How to check the thermocouple is correctly connected to cable for K type? (i,e positive pole is connected to non magnetic conductor and negative pole is connected to magnetic conductor)
What is the instrument to check the rotating diode fuse of alternator in running conditions?
What is meant by rotor?
I have a situation to design sub-Distribution board/Panel meant for feeding power sockets. In the incomer CAN i Take TP MCCB with Neutral Link and All the outgoing feeders with to sockets with TP MCCB and Neutral Link? P.S : My System is IT Earthing
Classify milling machines.
How the PF control while running DG set with load
Why current shoots up in the secondary on the knee point voltage during saturation test of CT? How core saturation effects the secondary current (while the primary side is open)? What the logic behind this?
Why CBCT rating is 50/1A
How to design harmonic filter at the project stage without nowing the harmonics levels
Why do we need a separate control desk & PLC control panel in Boiler plant or coal handling plant? Can we provide cost effective Control desk cum PLC panel. Is there is an specific need for control desk.. kindly advice.
In EHV transmission line a neutral grounding reactor is often placed at neutral point of shunt reactors. What is the recommended protection for this neutral grounding reactor? Should I use a fast closing switch to bypass neutral grounding reactor when this protection operates?