Magnetek DSD 412 - Figure 15: E-REG Tracking Profiles; Figure 16: E-REG Tracking Profiles

DRIVE SETUP
70
E-Reg Velocity Tracking with proper PU-Inertia. No over/under shoot
Figure 15: E-REG Tracking Profiles (1)
E-Reg Velocity Tracking
Per-Unit Inertia Setting TOO LOW, Velocity Over-Shoot
Figure 16: E-REG Tracking Profiles (2)
S
P
E
E
D
0
TIME
ACCEL TIME
ZERO
SPEED
Velocity
Reference
Speed Feedback with Bandwidth
(#40) set to 5 radians,
200 mSec tracking delay
Speed Feedback with Bandwidth
(#40) set to 10 radians,
100 mSec tracking delay
RATED SPEED
S
P
E
E
D
0
TIME
ACCEL TIME
ZERO
SPEED
Velocity
Reference
RATED SPEED
Speed Feedback with
Per-Unit Inertia (#41)
set too low,
Velocity Overshoot