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Title: Bifurcation in standalone photovoltaic-battery hybrid power systems
Authors: Xiong, X
Tse, CK 
Ruan, X
Issue Date: 2012
Source: ISCAS 2012 - 2012 IEEE International Symposium on Circuits and Systems, 2012, 6272044, p. 389-392
Abstract: Standalone photovoltaic-battery hybrid power systems are attractive renewable power generation systems, a particular form of which is based on a photovoltaic system and a battery connected to an output dc bus via a buck converter and a bidirectional buck-boost converter, respectively. To operate this system, a specific control strategy is required. In this paper we consider one such system and control strategy, and study the effects of variations of the load current and sunlight intensity on the stability of the system. A Neimark-Sacker bifurcation is identified in this system. Moreover, a detailed analysis based on discrete-time mapping is performed to evaluate the effect of variations in sunlight intensity and load current on the stability boundary of the system.
DOI: 10.1109/ISCAS.2012.6272044
Description: 2012 IEEE International Symposium on Circuits and Systems, ISCAS 2012, Seoul, 20-23 May 2012
Appears in Collections:Conference Paper

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