Delta VFD300C43S-HS User Manual page 502

Chapter 12 Description of Parameter SettingsC2000-HS
III. IPM Sensoress FOC Mode – Load Starting Adjustment
Increase ASR1 bandwidth
Pr.11-03
Increase system inertia
Pr.11-01
Increase speed estimation bandwidth
Pr.10-32
Low-frequency cannot start with
load or rotates not well
Increase ASR2 bandwidth
Pr.11-04
Increase ASR1 bandwidth
Pr.11-03
Cannot follow the accel. time,
the response is too slow
Increase speed estimation
bandwidth Pr.10-32
Increase low-pass filter gain
Pr.10-34
Cyclicity low-frequency wave
of motor frequency
10. Running Test
with Load
B1. Low-frequency loaded
performance
（Frequency of Pr.10-39 and below）
Low-frequency
NO
loaded performance
normal?
YES
B2. Loaded acceleration
performance test
NO
Accelerated rated
frequency is normal?
YES
11. Steady State Test at
Constant Speed Run
NO
Constant speed
operation normal?
YES
Finish
12.2-00-32
Decrease ASR1 bandwidth
Pr.11-03
Decrease system inertia
Pr.11-01
Decrease speed estimation bandwidth
Pr.10-32
Low-frequency over
current causes wave or oc
Decrease ASR2 bandwidth
Pr.11-04
Decrease ASR1 bandwidth
Pr.11-03
Over-acceleration causes
vibration or ocA
Decrease speed estimation
bandwidth Pr.10-32
Decrease low-pass filter gain
Pr.10-34
Strong high-frequency
vibration of motor frequency