Improving the Stability of Cascaded DC/DC Converter Systems via Shaping the Input Impedance of the Load Converter With a Parallel or Series Virtual Impedance

Interactions between individually designed power subsystems in a cascaded system may cause instability. This paper proposes an approach, which connects a virtual impedance in parallel or series with the input impedance of the load converter so that the magnitude or phase of the load converter's...

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Veröffentlicht in:	IEEE transactions on industrial electronics (1982) 2015-12, Vol.62 (12), p.7499-7512
Hauptverfasser:	Zhang, Xin, Ruan, Xinbo, Zhong, Qing-Chang
Format:	Artikel
Sprache:	eng
Schlagworte:	Band-pass filters Cascaded system dynamic performance Frequency conversion Impedance input-impedance-regulator instability problem Integrated circuits load converter parallel-virtual-impedance Resistors series-virtual-impedance Stability criteria Transfer functions Voltage control
Online-Zugang:	Volltext
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