Operating Instructions

SINAMICS G120 CU230P-2 Control Units List Manual, 04/2018, A5E33838102
655
3 Function diagrams
3.10 Vector control / U/f control
Fig. 3-89 6714 – Iq and Id controllers
- 6714 -
Function diagram
87654321
fp_6714_97_01.vsd
Vector control / U/f control
G120 CU230P-2
13.03.2018 V4.7_10
Iq and Id controllers
Kp_I Tn_I
–
22
yx
Kp_I Tn_I
–
Ia
Ib
VD-
U_max 1
2
3
+
+
p
K
Pre-control, de-coupling and
limiting
Symmetrizing
Id current controller
Phase U
Phase V
Phase W
Iq current controller
U_set
U_angle
Coordinate converter
r1598
Flux setp total [%]
Mot L_leak total [mH]
r0377 [M]
Isq_ctr_prectrScal
0.0 ... 200.0 [%]
p1703 [D] (60.0)
ZSW I_ctrl
r1408
r1408
.1
r0075
Id_set [Arms]
r0077
Iq_set [Arms]
r0076
Id_act [Arms]
r0078
Iq_act [Arms]
ZSW I_ctrl
r1408
r1408
.3
ZSW cl-loop ctrl
r0056
r0056
.9
r0068
I_act abs val [Arms]
Symmetrizing
[0]
r1733[0..1]
Quad U set [Vrms]
r1732[0..1]
Direct U set [Vrms]
+
+
+
+
<3>
[6791.8]
Flux setpoint
quadrature axis
[6797.1]
<1> [6723.5]
<2> [6724.8]
<3> [6791.8]
<1> [6730.4]
<2> [6731.4]
<3> [6792.4]
[6710.8]
<1> [6723.8]
<2> [6721.8]
<3> [6791.8]
Id_setp total [Arms]
r1624
<3>
Id_ctrl Kp
p1720 [D]
I_ctrl d-axis Tn
p1722 [D]
I_ctrl Kp
p1715 [D]
I_ctrl Tn
p1717 [D]
I_ctrl Kp
p1715 [D]
I_ctrl Tn
p1717 [D]
<1> <2>
For synchronous motor (p0300 = 2xx)
<1>
<2>
<3> For reluctance synchronous motor (p0300 = 6xx)
For induction motor (p0300 = 1xx)
[6799.6]
[6300.1], [6799.1],
[7017.6], [8017.1],
[8021.1], [8022.1]
[6310.1]
[6799.6]
[6730.1] <1>
[6731.1] <2>
[6792.1] <3>
[6797.1] <1>
[6730.1] <1>
[6731.1] <2>
[6792.1] <3>
[2530.2]
[2526.2]
[6723.2] <1>
[6724.2] <2>
[6791.2] <3>
[6723.1] <1>
[6724.1] <2>
[6791.4] <3>
U_set 1