Current regulator, Dv-300 adjustable speed drives ——— block diagram, Overload control – GE Industrial Solutions DV-300 DC Drive Users Manual User Manual
Page 369

DV-300 Adjustable Speed Drives
——— BLOCK DIAGRAM ———
9
11
DV_Curr_reg.vsd
05/04/09
--
GE
User
DV
-300
DC
Digital
Drive
07.00
03/10/97
--
GE
User
File
name:
Issued
Date
---
Initials:
Revision
Date
--
Initials:
01
02
03
04
05
06
07
08
09
10
1
1
12
13
14
15
16
GE
Motor
s
a
nd
Industria
l
S
ystems
Salem,
V
a
.
USA
Proprietary
Information
Do
Not
Copy
PRODUCT
:
Firmware
Revision:
01
02
03
04
05
06
07
08
09
10
1
1
12
13
14
15
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
A
B
C
D
E
F
G
H
I
J
K
L
Current
regulator
Thi
s
is
a
verified
copy
of
controlled
documentation
printed
on
07/10/98.
The
master
is
located
on
vasald03/[vss]$/InnovCtl.
DV_Ovr_SpCur
Back
to
Overview
NA
VIGA
TION
Motorin
g
&
Generating
T
orque
Limit
From
Speed
Regulator
DV_SReg
T
o
Droop
Feedback
DV_Droop_cp
speed
torque
T
current
lim
+
T
cur
rent
lim
-
T
cur
rent
lim
-
T
current
lim
+
+1%
of
Motor
nom
speed
-1%
of
Motor
nom
speed
Current
Limits
Current
Regulator
DV_Field_reg
Next
Current
regulator
includes
anti-windup
logic
+
-
speed
torque
T
current
lim
+
T
cur
rent
lim
-
T
cur
rent
lim
-
T
current
lim
+
T
orque
reduction
T
T
T
orque
reduction
command
OVERLOAD
Control
Ovl
d
Ovl
d
Ovl
d
Pause
Pause
W
a
itin
g
Ovld
Current
Base
Current
Ovld
A
vaila
b
Ovl
d
State
Limits
Ovl
d
Ovl
d
Ovl
d
Pause
Pause
W
a
itin
g
Ovl
d
Current
Base
Current
Ovl
d
A
vaila
b
Ovl
d
State
T
Current
Limits
Overload
mode
=Curr
limited
Overload
mode=Curr
not
limited
DV_MotPar
Go
to
Motor
parameters
Modulator
DC
Motor
DV_spd_fbk
Feedback
(option)
T
orque
Limit
+/-
T
cur
rent
lim
+
150
%
T
cur
rent
lim
-
150
%
T
cur
rent
lim
150
%
In
use
Tcur
lim
+
In
use
Tcur
lim
-
Cur
rent
lim
red
100
%
T
cur
rent
ref
Motor
cur
rent
Cur
r
limit
state
T
cur
r
lim
type
Torque
reduct
Ar
m
resistence
2.55
Oh
m
Ar
m
inductance
34.33
mH
P
ause
tim
e
540
s
Overld
avaliable
Enable
overload
Enabled
Overload
mode Cur
r
limited
Overload
cur
rent
150
%
Overload
tim
e
60
s
Base
cur
rent
100
%
Overload
state
Output
voltage
Current regulator