An Adaptive Carrier Frequency Optimization Method for Harmonic Energy Unbalance Minimization in a Cascaded H-Bridge-Based Active Power Filter

Cascaded H-bridge (CHB) based active power filters (APF) can compensate high-order harmonics in medium and high-voltage systems with relatively low switching frequency. This paper reveals that a severe dc capacitor energy unbalance can be induced by harmonic energy exchange if the frequency of APF o...

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Veröffentlicht in:	IEEE transactions on power electronics 2018-02, Vol.33 (2), p.1024-1037
Hauptverfasser:	Yang, Zezhou, Sun, Jianjun, Li, Shangsheng, Huang, Meng, Zha, Xiaoming, Tang, Yi
Format:	Artikel
Sprache:	eng
Schlagworte:	Active filters Carrier frequencies Carrier phase-shifted modulation cascaded H-bridge (CHB) active power filters (APF) Computer simulation dc voltage ripple dc voltage unbalance Divergence Electric potential Energy conservation Filters Frequency modulation Harmonic analysis harmonic energy Optimization Power harmonic filters Switching Unbalance Voltage control
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