Siemens SINAMICS S120 Manual De Listas página 2398

1000.00 µs
(Only for synchronous motor with reluctance torque)
mot phi_load opt
p0327 [M]
Field current setpoint for
synchronous motor
I
p0348
F
n
-I
r0331
sc
Short-circuit
Speed at the start
of field weakening current I
Mot n_field weaken
p0348[M]
Mot I_mag_rated >0
p0320[M]
0
Computation
model
Motor data
Speed at the Img
magnetizing
start of field
weakening current
Flux setpoint for
induction motor
I
F
r0331 I
mg
p0348
<1> p0323 is not considerd for induction motors.
1000.00 µs
<2> If value = 0.0 %: For synchronous motors, 90 % is effective and for induction motors, 60 %.
1 2
DO: SERVO
Servo control - Field current/flux input, flux reduction, flux controller
PU I_outp max
r0289
[5730.4]
Mot I_max
<1>
p0323[M]
Current limit
p0640[D]
Synchronous motor
Id_set_1
1
0
Induction motor
sc
Mot I_mag_ratedAct
r0331
Flux reduc do T_gl
Iq_act
r0077
[5714.4]
Flux red up T_gl
κ
ϕ
Flux setpoint
n
Flux reduction
3 4
I_outp max
r0067
I_max
Min
Id max
<2>
p1603
Field current limiting
Id_set_3
Synchronous
motor
1
-1
0
Induction motor
p1578
Mot L_H tr/Lhd ges
r0382
p1579
p1581
Flux reduc factor
5
fp_5722_01_eng.vsd
25.04.16 V05.02.03
Synchronous motor
Induction motor
2 2
I_max – Id_set
Iq_max total
1 sec
Max
r0384 • 2
T 0
1
Limit Id_set
r1408.9
[2530.7]
1
r0382
Pre-control
Flux controller Flux controller
Kp Tn
p1590[D] p1592[D]
Flux setpoint
[%] from n
Kp Tn
r0083
+
–
Flux controller
Motor model
6 7
Function diagram
SINAMICS S120
1000.00 µs
p0115[1] (125.00 µs)
[5640.5]
r1533
Id_set
r0075
[5714.3]
F07411
"Flux controller output
limited"
+
+
Id_set_2
Flux actual value
[%] from n
r0084
p0115[1] (125.00 µs)
8
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