Power-quality improvement of a stand-alone induction generator using a STATCOM with battery energy storage system
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This paper presents a STATCOM with a self-oscillating bidirectional dc-dc converter for interfacing battery energy storage in a stand-alone induction generator system. The self-oscillation mode is based on relay feedback control with hysteresis. To reduce the output current ripple, an LCL filter is connected between the half bridge of this dc-dc converter and the energy storage system. The other side of bidirectional converter is coupled with a voltage-source converter. The proposed control allows that the previous electronic converters, with an additional resistive dump load, compensate all disturbances in a self-excited induction generator due to three-phase four-wire loads and an improvement of system efficiency. The simulated results show good performance of the stand-alone power system under different loading conditions.
CitacióBarrado, J.; Griño, R.; Valderrama, H. Power-quality improvement of a stand-alone induction generator using a STATCOM with battery energy storage system. "IEEE transactions on power delivery", Octubre 2010, vol. 25, núm. 4, p. 2734-2741.
Versió de l'editorhttp://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5560702&tag=1