A new scheme for power factor correction and active filtering for six-pulse converters loads

• Autorzy: Han Y. , Khan M.M. , Xu L. , Yao G. , Zhou L. , Chen C.
• Języki publikacji: EN

Abstrakty

EN

This paper presents a novel harmonic-free power factor correction (PFC) topology based on T-type active power filter (APF), which is dedicated for power factor improvement and harmonic filtering for six-pulse converter loads. The cascaded controller structure is adopted for the proposed system, namely, the inner current loop and outer voltage loop. The current-loop control scheme is based on a decoupled state-space equations of the T-type APF using separate proportional-integral (PI) controllers in d-axis and q-axis of the synchronous rotating refer-ence frame (SRRF) synchronized with grid voltages, respectively. The fundamental components of load-side cur-rents are feed forwarded in the current-loop using two groups of synchronous frame adaptive linear neural networks (ADALINEs) to ensure estimation accuracy and a fast dynamic response. A separate proportional-integral (PI) controller is adopted in the outer voltage loop for balancing the active power flow of the voltage source inverter (VS I) dc-side capacitor. The experimental results confirm well with the theoretical analysis.

Słowa kluczowe

EN

six-pulse converters; Adaline; harmonic contamination; power factor correction; power quality

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2009
• Tom: Vol. 57, nr 2
• Strony: 157--169
• Opis fizyczny: Bibliogr. 28 poz., rys., tab.

Twórcy

autor

Han Y.

autor

Khan M.M.

autor

Xu L.

autor

Yao G.

autor

Zhou L.

autor

Chen C.

• Department of Electrical Engineering, Shanghai Jiao Tong University, Shanghai, P. R. China,

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