Adjustment Speed Controller - KEB COMBIVERT F5 Instruction Manual

3.4.7

Adjustment speed controller

1. Open control release
2. Select closed loop operation
Problem Very long transient process
Solution Increase KP speed (CP.30); even-
tually reduce KI speed (CP.31)
Problem Sustained oscillation short billowy,
noises, vibes
Solution Decrease KP speed (CP.30)
Problem Overshoot too long, strong speed
decreases at load change
Solution Increase KI speed (CP.31)
Parameter Description
=> frequency inverter in status „noP"
=> Parameter CP.10 = 4
Problem Very long speed overshoot
Solution Increase KP speed (CP.30); even-
tually reduce KI speed (CP.31)
Problem Transient too slow / remaining sys-
tem deviation
Solution Increase KI speed (CP.31)
Problem Sustained oscillation long billowy
Solution Reduce KI speed (CP.31) and / or
reduce KP speed (CP.30)
GB - 51