
38
Rockwell Automation Publication 750-PM101B-EN-P - April 2022
Chapter 3 PowerFlex 755T Control Block Diagrams
Figure 17 - Current Control
1
2
3
4
5
6
B
A
D
C
FH
EG
I
Current
Cont
rol
(C
urrCt
rl)
Aut
o
Ga
in
Ca
lc
ul
ati
on
PI Regu
la
to
r
75
76
Cur
Reg B
W
Cu
r R
e
g
D
a
mp
ing
0
1
74
Cu
r
R
e
g C/U Sel
LC
L
D
ata
0
1
79
u Cu
r Re
g K
i
77
u Cu
r Re
g K
p
Sou
rce
Im
pe
d
anc
e
Pr
o
ce
ss
in
g
32
34
AC Lin
e
k
V
A
A
AC Lin
e
Impe
d% A
31
AC Lin
e
S
o
urc
e
33
35
AC Lin
e
k
V
A
B
AC Lin
e
Impe
d% B
c Cu
r R
e
g
K
i
80
c Cu
r R
e
g
K
p
78
Ac
ti
v
e
Curren
t
7
Acti
ve Cur Cmd
67
PI Regu
la
to
r
Re
activ
e
Curr
e
n
t
8
R
e
a
c
tv
Cu
r
Cm
d
73
Cu
rP
w
rLmt [G
3
]
Cu
rP
w
rLmt [G4]
Met
e
rin
g
[I
1]
M
e
te
ri
ng
[I2]
P
W
M
Iq
Sy
nc
E
rr
Id
Sy
nc
E
rr
VqSy
n
c
R
e
f
VdSy
n
c
R
e
f
Cu
rR
e
g
K
iIq
Cu
rR
egK
p
Id
Cu
rR
egK
p
Iq
Cu
rR
e
g
K
iId
P
F
C
[G3
]
P
F
C
[G4
]
Cu
rR
egq
O
u
t
Cu
rR
egd
O
u
t
Cur
Re
g C
/U Sel
Selecto
r:
0- Calcu
lat
ed
1- Us
e
r Entered
trl
s
ef
y
trl
l
ilt
s
l
el
Curr
Ctrl