ABB DCS 600 - Software Structure - Inductive Load Current Control

Fig. 3.7/5: Software structure - Inductive load current control
II F 3-10
CUR REF SLOPE
di/dt
41.10
HL
LL
CUR LIM MOT BRIDGE
CUR LIM GEN BRIDGE
CURRENT CONTROLLER
CONTROL TYPE SEL
ARM CUR PI P-GAIN
ARM CUR PI I-GAIN ARM CUR IP P-GAIN ARM CUR IP I-GAIN
DISCONT CUR LIMIT
43.01 43.02
43.03
43.04 43.05
43.06
PI-IP
+
-
LOAD CUR ACT
4096== Load nominal current
LOAD CUR ACT FILT
Armature Current Measurem.
EMF Calc.
HL LL
MAX FIRING ANGLE
MIN FIRING ANGLE
ALPHA_MAX Calc.
FIRING ANGLE
FIRE UNIT
SELECTED BRIDGE
MOTOR NOM VOLTAGE
MOTOR NOM CURRENT
99.02
99.03
CONV NOM CURR
Mains Voltage Measurem.
Converter Current Measurem.
U_SUPPLY
RL MAINS VOLT AC
T
MAINS VOLT ACT
RL CONV CUR ACT
CONV CUR ACT
RL EMF VOLT ACT
EMF CONTROLLER
46.03EMF CON KP
46.04
EMF CON KI
INT EMF REF
INDUCTIVE LOAD CURRENT CONTROL
dcs_600\docu\fig_3b.dsf
EMF REF
45.02 flux/emf ref sel = EXT REF
AI V REF
MUX
EMF REF SEL
0
3 2
1
V REF 1
FLUX REF EMF
46.12
V REF SLOPE
46.05
EMF CON BLOCK LEV
46.10
V COR
46.11
V STEP
46.13V LIM P
46.14V LIM N
V ref Modification
V REF 2
CURRENT REF
AI CUR REF
MUX
FLUX REF SEL
0
3 2
1
CUR REF 1

INT CUR REF
4
FEX LINK REF
Reference Selection and min/max- Logic
FLUX COR
FLUX STEP
REF SEL 43.15 SEL MAX MIN
43.16
43.15
REF SEL
CUR REF 1
V ACT SEL
I ACT SEL V I SEL 1 V I SEL 2 ARM R
46.20 46.19 46.21 46.22
41.12
EMF ACT FILT TC
46.06
V ACT CAL
46.16
ARM L
41.11
VOLT ACTUAL
3.23
actual voltage selection
'
L
D
J
U
D
P

I
R
U
2
3
(
5

0
2
'
(

6
(
/
(
&
7











TORQUE USED REF
TORQUE CORRECTION
not used
- CUR REF 1 := LOCAL REF 3, if local mode and REF SEL (43.15) < 3 - CUR REF 1 := LOCAL CUR REF (43.19), if local mode and REF SEL (43.15) >= 3
V REF 1 := LOCAL REF 3, if local mode
3.25
3.27
45.03 3.29 41.19 46.08
3.24
3.26
43.21 3.11 43.20 3.30 43.17 46.07 2.14 2.13
3.27
20.12
20.13
1.27
20.15
3.13
1.19
20.14
42.06
1.11 1.12 1.15
4.13
1.16
1.28
1.17
FLD CUR @40% FLUX
41.14
41.15
FLD CUR @70% FLUX
41.16
FLD CUR @90% FLUX
FLUX/FIELD LINEARIZATION
CUR REF 3
3.12
FLUX REF SUM
3.15
CUR REF 2
3.28