Rockwell Automation Allen-Bradley PowerFlex 520 Series - Startup Adjustment Procedures

Rockwell Automation Publication 520-UM001K-EN-E - August 2021 265
Appendix K PowerFlex 525 Synchronous Reluctance Motor Configuration
Startup with No-Load adjustment procedure
Frequency command setting
higher than A590 [SYNRM SW Freq]
1. Increase A591 [SYNRM Flux Cur]
2. Adjust A595 [SYNRM Freq2 BW]
3. Adjust A596 [SYNRM Freq2 Kp]
Is the
speed stable and
does not oscillate before
A590
[SYNRM SW Freq] ?
No-Load Test
Motor starts running
Load operation test
Yes
No
1. The start-up direction is wrong
and causes F013 fault
2. Motor stalls
3. Motor speed vibrates extremely
• Increase A591 [SYNRM Flux Cur]
• Adjust A593 [SYNRM Freq1 Kp]
When the
frequency operation exceeds
A590 [SYNRM SW Freq],
is the speed stable and
does not oscillate?
No
Yes
Frequency speed vibration