Siemens SIMOREG DC Master 6RA7018-6DS22 - Page 211

02.00 Function diagrams
SIEMENS AG 6RX1700-0AD76 8-31
SIMOREG DC Master Operating Instructions
Sheet G165 Closed-loop EMF control
-
+
.01 .02 .03 .04 .01 .02
.03
.04
1 0
100%
.01 .02
.03
.04
277
WE
0 0 0
Kp Tn
.01 .02
.03
.04
289
0 0 0
-
0%
1
2
α
-
+
1 0
u
a
i
a
87564321
- G165 -
r037
P119.F
P120.F P139.F
P616 (286)
KK0286
K0285
K0287
P614 (1)
K K K K
P613 (1)
K K K K
P081
K0276
K0278
K277
P611 K K K K
K0283 K0284 K0281 K0282 K0280
K0293
P273.F
P275.F
P276.F P277.F
P693.B (1)
B
P615 K K K K
K0288
K0289
r039
P100.F
P101.F
P110.F
P272
K0101
K0166
P118.F
K0273
K0275
K0274
P103.F
P102.F
P110.F
P111.F
100%
0%
P284.F
P274.F
Ra
EMF
Ra
La
FS
EMF controller
Actual value
Setpoint
Enable EMF
controller
Automatic field reducion if EMF too high for braking operation
EMF controller precontrol
I_field_set
100% of P102
n_f-w start
n_act
EMF_set
Absolute actual
speed
n_rated to
field characteristic
n_f-w start = P119*EMF_set/P118
Stop I compo- nent
Field current
setpoint limitation
Minimum motor
field current
Minimum
With operating status >=o10 :
Setpoint upper limit ="old" K265
With operating status >=05 :
Setpoint upper limit = 200%
("Release")
Field current
setpoint
Closed-loop EMF control
EMF controller set/actual diff. EMF controlller set/actual diff. after droop EMF controller P comp. EMF controller I comp. EMF controller output
Droop
Ia_rated
Ua_rated
P151 - 5 degrees
or (pulsating)
165 degrees - 5 degrees
EMK_rated
Rated motor
field current
Enable
precontrol
u ...
a
i ...
a
measured armature voltage measured armature current
Upper field current
setpoint limit
Lower field current
setpoint limit
Minimum
Maximum
Minimum
0=Reset
P comp. to
zero
0=Reset
I comp. to
zero