Hi All, I am new to ABB ACS 800 Drives. I would appreciate if you guys can help me out to understand the settings of ABB drives parameters regarding overload and over current limits.
We have a ABB ACS 800 VVVF drive to run a motor which is rated 685 A. Last night, motor current exceeded till 800 A and drive temperature rise to 90 Deg C but drive didn't trip and we stopped it from the control room. I checked the maximum current l of the drive in parameter group 20.03 which is set to 1350 A while the load current limit in 72.18 is set to 500 %. User load curve in 72.01 is set to inactive.
If you guys have any good tips to clarify why the current limit is set to 500% , should i reduce it to motor nominal current range? and if user load curve is inactive, then how the drive will function in case of overload.
Please guide. Thanks,
We have a ABB ACS 800 VVVF drive to run a motor which is rated 685 A. Last night, motor current exceeded till 800 A and drive temperature rise to 90 Deg C but drive didn't trip and we stopped it from the control room. I checked the maximum current l of the drive in parameter group 20.03 which is set to 1350 A while the load current limit in 72.18 is set to 500 %. User load curve in 72.01 is set to inactive.
If you guys have any good tips to clarify why the current limit is set to 500% , should i reduce it to motor nominal current range? and if user load curve is inactive, then how the drive will function in case of overload.
Please guide. Thanks,