PowerFlex Digital DC Drive User Manual -
Publication 20P-UM001C-EN-P - July 2008
Control Block Diagrams
D-9
Droop Compensation - Inertia / Loss Compensation
D
roop C
o
m
p
en
s
at
io
n
P41
C
u
rrent R
eg
In
+
+
Lo
w P
as
s
F
ilt
er
P6
9
8
Lo
a
d C
o
m
p
P
700
D
roop Li
m
it
P697
D
roop Fi
lte
r
Ze
ro
P6
96
D
roop P
er
ce
n
t
P6
99
En
ab
le
D
ro
o
p
T
To Tr
im
S
p
eed
Reference
Su
m
Fr
om
D
igi
t
a
l
S
et
tin
g
or
A
n
a
log Inp
u
t
In
er
ti
a / L
o
ss
Co
m
p
en
s
at
io
n
n
d
P
106
R
ef
Z
er
o
L
evel
P
1012
In
er
ti
a
C
F
ilt
er
Lo
w P
as
s
Fi
lte
r
P
500
Fi
el
d R
ef
P
ct
S
p
eed
P
1014
In
er
ti
a
P
1015
Fr
ic
tion
+
1
P
1016
S
u
nc
S
el
ect
T
P
101
3
Tor
qu
e C
o
n
s
t
P11
8
S
p
eed
R
eg
In
To
S
p
eed
R
eg
u
l
a
tor
O
u
p
u
t
Su
m
Σ