Rockwell Automation PowerFlex 7000

Functional Description 1-13
7000-TD002A-EN-P – September 2007
InvFlux
CurCmd
(312)
Alpha Inverter
(328)
Curreg
Bandwidth
(113)
DCLnk
Inductance
(27)
DC LINK
CURRENT
REGULATOR
T DC link
(115)
Idc Reference
(321)
Vdc Reference
(326)
Alpha Rectifier
(327)
InvTorque
CurCmd
(294)
Idc feedback
(322)
+
-
Idc Error
(323)
Stator Voltage
(344)
Line Voltage pu
(135)
Alpha Inverter
(328)
+
+
Vdc Error
(332)
FEEDFORWARD
FILTER
Advance Limit
Feedforward Fil
(502)
Vdc Feedfwd
(333)
tan
-1
cos
- 1
cos
-1
x
2
+y
2
Retard Limit
Figure 1.7 – Current Control