Closed-loop thyristor current control
System- and communication configuring D7-SYS - SIMADYN D
5-39
Edition 06.2002
KP
KP
CPC
TN
f
(SV)
min
f
(X)
f
(X)
0
1
-
WC
ILU
ILL
XC
S
SV
PC
Hold
Inhibit, pos.
Inhibit, neg.
EN
+
+
SVC
ALL
CLU
ALU
YE
YP
QU
Y
QI
YI
YWP
ZSL
ZSU
0,0
TN
+
Set
Fig. 5-22
Function chart CPI
EN = enable controller
X = irrelevant
S = setting the integrator with the setting value
SVC = pre-control mode
0
X
X
Controller inhibit
Outputs Y,YE,YWP,YP,YI are set to 0
1
0
0
Normal function
YI
YP
Y
+
=
1
0
1
With continuous tracking (correction)
0
YI
,
YWP
YP
Y
=
+
=
1
1
0
Setting mode
SV
YI
,
YI
YP
Y
=
+
=
1
1
1
Setting mode with continuous tracking
SV
YI
,
YWP
YI
YP
Y
=
+
+
=
Table 5-10
Behavior of the control inputs