Simplified linear-quadratic regulator applied to a three-level converter

Simplified linear-quadratic regulator applied to a three-level converter

A linear-quadratic regulator is applied to a three-level converter that can operate under rectifier mode with power factor control. The regulator is simplified because it is relieved from the task of balancing voltages on the DC-link capacitors, which is carried out in the modulation stage. The algo...

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Bibliographische Detailangaben
Hauptverfasser: Pou, J., Rodriguez, P., Pindado, R., Boroyevich, D., Candela, I.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Actuators
Capacitors
Converter control
Delay
Multilevel converters
Optimal control
Pulse width modulation
Reactive power
Rectifiers
Regulators
Space vector pulse width modulation
Steady-state
Three-phase system
Voltage
Voltage source inverters (VSI)
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Beschreibung
Zusammenfassung:A linear-quadratic regulator is applied to a three-level converter that can operate under rectifier mode with power factor control. The regulator is simplified because it is relieved from the task of balancing voltages on the DC-link capacitors, which is carried out in the modulation stage. The algorithm takes into account the one-period delay intrinsic to the pulsewidth modulation (PWM), and it also includes an integral actuator to remove the steady state errors. Experimental results are presented
DOI:10.1109/EPE.2005.219779