Current regulator and current control method and system for...

Details Current regulator and current control method and system for... Current regulator and current control method and system for...

2008-03-13

2010-11-30

Masih, Karen (Department: 2837)

Electricity: motive power systems

Induction motor systems

Primary circuit control

C318S400020, C318S400170

Reexamination Certificate

active

07843162

ABSTRACT:
Methods and systems are provided for controlling an AC motor via an inverter. The method includes determining a delay-compensated offset based on a synchronous frame current, producing a current error based on a synchronous frame current and a commanded current, producing a voltage error based on an anti-windup offset and the current error, producing a commanded voltage based on the delay-compensated offset and the voltage error, and providing the inverter with the commanded voltage.

REFERENCES:
patent: 2009/0215586 (2009-08-01), Kresse
Kim, H. et al. “A virtual translation technique to improve current regulator for salient-pole AC machines,” IEEE 35th Annual Power Electronics Specialists Conference, 2004, pp. 487-493, vol. 1.
Del Blanco, F.B. et al. “Dynamic analysis of current regulators for AC motors using complex vectors,” IEEE Transactions on Industry Applications, 1999, pp. 1424-1432, vol. 35.

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