Type of Control
Proportional Gain
Integral Time
Differentiation
Time
PI-control
0.45 *
K
u
0.833 *
P
u
-
PID tight control
0.6 *
K
u
0.5 *
P
u
0.125 *
P
u
PID some overshoot
0.33 *
K
u
0.5 *
P
u
0.33 *
P
u
Ziegler Nichols tuning for regulator, based on a stability boundary.
Experience has shown that the control setting according to Ziegler Nichols rule provides a good
closed loop response for many systems. If necessary, the operator can do the final tuning of the
control iteratively to modify the response of the control loop.
VLT
®
HVAC Drive Design Guide
2. Introduction to VLT HVAC Drive
MG.11.B2.02 - VLT
®
is a registered Danfoss trademark
37
2
Содержание VLT series
Страница 78: ...4 How to Order VLT HVAC Drive Design Guide 78 MG 11 B2 02 VLT is a registered Danfoss trademark 4...
Страница 120: ...7 RS 485 Installation and Set up VLT HVAC Drive Design Guide 120 MG 11 B2 02 VLT is a registered Danfoss trademark 7...
Страница 152: ...8 Troubleshooting VLT HVAC Drive Design Guide 152 MG 11 B2 02 VLT is a registered Danfoss trademark 8...