Hi
Typically soft starters are used only for short periods of time, thats why I want to use VFD as soft starter. I want to soft start 10 ventilators separately with one drive. Idea is to wind up motor with drive up to 50Hz and then release it for free spin and then connect motor to mains, after releasing one motor VFD is ready to start another motor. All process should be controlled with simple plc.
In this case I believe I need more contactors, contactor falut protection, etc
Purpose of this thought is to save bearings, reduce power peaks with minimum investment.
So I want to ask is it possible at all, what sort of problems I can experience with this system??
Typically soft starters are used only for short periods of time, thats why I want to use VFD as soft starter. I want to soft start 10 ventilators separately with one drive. Idea is to wind up motor with drive up to 50Hz and then release it for free spin and then connect motor to mains, after releasing one motor VFD is ready to start another motor. All process should be controlled with simple plc.
In this case I believe I need more contactors, contactor falut protection, etc
Purpose of this thought is to save bearings, reduce power peaks with minimum investment.
So I want to ask is it possible at all, what sort of problems I can experience with this system??