Voltage Control Method Research of PV Power System Based on Small Signal Model

Lei Pan; Dong Lin Wang; Bei Bei Wang; Wei Gong; Gang Su

doi:10.4028/www.scientific.net/AMR.608-609.57

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 608-609Voltage Control Method Research of PV Power System...

Voltage Control Method Research of PV Power System Based on Small Signal Model

Abstract:

In photovoltaic power systems, both photovoltaic modules and switching-mode converters present nonlinear and time-variant characteristics, which result in a difficult control problem. This paper presents an in-depth analysis and modeling to discover the inherent features of a photovoltaic (PV) power system and proposes a control method for PV power system based on small-signal model. This paper also presents a state equation and transfer function of PV power system and a stable control system for regulating the photovoltaic voltage. Simulation and experiment results demonstrate the effectiveness of the presented analysis, design, and implementation.

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Periodical:

Advanced Materials Research (Volumes 608-609)

Pages:

57-64

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.608-609.57

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Online since:

December 2012

Authors:

Lei Pan, Dong Lin Wang, Bei Bei Wang, Wei Gong, Gang Su

Keywords:

Buck-Boost Circuit, Dynamic Resistance, PV Module, Small Signal, Transfer Function

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References

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