Siemens 6RA70 Series, Инструкция по эксплуатации, Страница: 152 / 232

SIEMENS Energy & Automation
10-31
SIMOREG DC Master Base Drive Panel Operating Instructions
PNU
Description Value range
[Unit]
Steps No. indices
Factory
setting
Type See
Change
(Access /
Status)
P154
*
FDS
(G162)
Set armature current controller I component to zero
0 Set controller I component to zero (i.e. to obtain pure P
controller)
1 Controller I component is active
0 to 1
1 Ind: 4
FS=1
Type: O2 P052 = 3
P051 = 40
Offline
P155
FDS
(G162)
Armature current controller P gain
Proportional gain of armature current controller
This parameter is automatically set during the optimization run for precontrol
and current controller (armature and field) (P051=25).
See also parameter P175
0.01 to 200.00
0.01 Ind: 4
FS=0.10
Type: O2 P052 = 3
P051 = 40
Online
P156
FDS
(G162)
Armature current controller reset time
This parameter is automatically set during the optimization run for precontrol
and current controller (armature and field) (P051=25).
See also parameter P176
0.001 to 10.000
[s]
0.001s Ind: 4
FS=0,200
Type: O2 P052 = 3
P051 = 40
Online
P157
*
FDS
(G162)
Control word for current setpoint integrator
0 Reduced gearbox stressing
The integrator is active only after a change in torque direction
(acts as ramp-function generator for armature current setpoint
only until the output reaches the setpoint at the integrator input
for the 1
st
time after a change in torque direction).
1 Current setpoint integrator
The integrator is always active (acts as ramp-function generator
for the armature current setpoint)
0 to 1
1 Ind: 4
FS=0
Type: O2 P052 = 3
P051 = 40
Offline
P158
FDS
(G162)
Ramp-up time for current setpoint integrator (reduced gearbox
stressing)
Period of an acceleration ramp with a setpoint step change from 0% to
100% at r072.002.
For older DC machines (i.e. unsuitable for steep rates of current rise),
P157=1 and P158=0.040 must be set.
0.000 to 1.000
[s]
0.001s Ind: 4
FS=0.000
Type: O2 P052 = 3
P051 = 40
Online
P159
FDS
(G163)
Switchover threshold for auto-reversing stage (armature)
P159
I
II
0
requested torque direction
Speed controller output
0.05%
0.00 to 100.00
[%]
0.01% of n controller
output Ind: 4
FS=0.01
Type: O2 P052 = 3
P051 = 40
Online
P160
FDS
(G163)
Additional torque-free interval
Additional torque-free interval for torque direction change in 4Q operation.
It is particularly important to set this parameter to values of > 0 for converter
armatures which supply large inductances (e.g. lifting solenoids).
0.000 to 2.000
[s]
0.001s Ind: 4
FS=0.000
Type: O2 P052 = 3
P051 = 40
Online
P161
FDS
(G163)
Additional Alpha W pulses with disabled second pulses
Number of additional Alpha W pulses with disabled second pulses after
detection of I=0 message prior to a change in torque direction.
It is particularly important to set this parameter to values of > 0 for converter
armatures which supply large inductances (e.g. lifting solenoids).
These pulses cause the current to decay prior to a change in torque
direction. When it drops below the thyristor holding current value, the
current is suddenly chopped by the unfired second thyristor and the residual
energy stored in the load inductor must be dissipated via a suppressor
circuit (e.g. a varistor) to prevent the load inductor from producing a surge
voltage. See also P179.
0 to 100
1 Ind: 4
FS=0
Type: O2 P052 = 3
P051 = 40
Online
P162
*
FDS
(G162)
EMF calculation method for armature precontrol
0 The EMF derived from the measured armature voltage is
applied
1 The EMF derived from the calculated armature voltage is
applied
(the purpose of this setting is to prevent the occurrence of any
low-frequency (< 15 Hz) armature current fluctuations)
0 to 1
1 Ind: 4
FS=1
Type: O2 P052 = 3
P051 = 40
Offline