Rockwell Automation 8720MC 8720MC Regenerative Power Supply User Manual - Manual (Page 133)

Appendix
C
Control Block Diagram
d-Axis Current Reference (0)
R-Phase
Voltage F/B
T-Phase
Voltage F/B
AC Input Power Supply Voltage
Phase θ
Since θ
Cosine θ
DC Bus Voltage
Reference
q-Axis Current Reference
Limit
Limit
Limit
Ramp
＋
＋
＋
＋
＋
DC Bus Voltage
Sine
Table
3-Phase/
2-Phase
Conversion
Static Shaft/
Rotating Shaft
Conversion
d-Axis Feedback q-Axis Feedback
d-Axis Voltage
Reference
q-Axis Voltage
Reference
Rotating Shaft/
Static Shaft
Conversion
2-Phase/
3-Phase
Conversion
Neutral Point
Voltage
Compensation Limit
R-Phase Voltage
Reference
S-Phase Voltage
Reference
T-Phase Voltage
Reference
Input Voltage
Compensation
PI Calculation
ω L Compensation
(Non-interference
Control)
PI Calculation
PI Calculation