Model predictive direct power control for active power decoupled single-phase quasi-Z -source inverter

Journal Article · 13 June 2016 · IEEE Transactions on Industrial Informatics

DOI: https://doi.org/10.1109/TII.2016.2580001 · OSTI ID:1331094

Liu, Yushan ^[1]; Ge, Baoming ^[2]; Abu-Rub, Haitham ^[1]; Sun, Hexu ^[3]; Peng, Fang Zheng ^[4]; Xue, Yaosuo ^[5]

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1. Texas A & M Univ. at Qatar, Doha (Qatar)
2. Texas A & M Univ., College Station, TX (United States)
3. Hebei Univ. of Technology, Tianjin (China)
4. Michigan State Univ., East Lansing, MI (United States)
5. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

In this study, the active power filter (APF) that consists of a half-bridge leg and an ac capacitor is integrated in the single-phase quasi-Z-source inverter (qZSI) in this paper to avoid the second harmonic power flowing into the dc side. The capacitor of APF buffers the second harmonic power of the load, and the ac capacitor allows highly pulsating ac voltage, so that the capacitances of both dc and ac sides can be small. A model predictive direct power control (DPC) is further proposed to achieve the purpose of this newtopology through predicting the capacitor voltage of APF at each sampling period and ensuring the APF power to track the second harmonic power of single-phase qZSI. Simulation and experimental results verify the model predictive DPC for the APF-integrated single-phase qZSI.

• Research Organization: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
• Sponsoring Organization: USDOE
• Grant/Contract Number: AC05-00OR22725
• OSTI ID: 1331094
• Journal Information: IEEE Transactions on Industrial Informatics, Journal Name: IEEE Transactions on Industrial Informatics Journal Issue: 4 Vol. 12; ISSN 1551-3203
• Publisher: IEEECopyright Statement
• Country of Publication: United States
• Language: English