Motor data and controller adjustments of the synchronous motor
© KEB, 2012-10 COMBIVERT F5-A, -E, -H Page 7.6 - 23
7
7.6.4 Block diagram
Figure 7.6.4.a Block diagram SCL
ru.02
Speed controller and
torque limitation
1/ru.18
Selection of the
current feedback
isq ref
isq reg
isd reg
ru.07
isd modell
isq model
Precontrol and
decoupling
Maximum voltage control-
ler and eld weakening
SCL motor model
isd_ref
isq controller
isd controller
ru.17
ru.87
Usq
Usd
EC.40
Transformation
and dead time
compensation
Transformation
Power unit
SM
3ph
Volt U
Volt V
Volt W
iu
iv
iw
Legend block diagram
ru.02
ru.07
ru.17
ru.18
ru.87
EC.40
Ramp output display (speed setpoint)
Actual value display (actual speed from motor model)
Active current (isq)
DC link voltage
Magnetisation current (isd)
Actual absolute electrical position
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