Analysis on Single Photovoltaic Grid-Connected Inverter Control System

Hong Fei Liao; Qi Feng Liang

doi:10.4028/www.scientific.net/AMM.416-417.461

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 416-417Analysis on Single Photovoltaic Grid-Connected...

Analysis on Single Photovoltaic Grid-Connected Inverter Control System

Abstract:

nverter can operate with power grid in parallel and can return the electricity generated by photovoltaic array with high power factor to power grid. The paper analyzes and compares several grid-connected current control methods, determines that the current control mode used in the design is improved SPWM current virtual value tracking control technology. And the paper analyzes and studies the transfer functions of key links of the inverter, and gives the derivation process of transfer functions. The control system uses dual-loop structure of inner current loop and outer voltage loop, and proposes the design methods of voltage loop and current loop PI regulator.

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Periodical:

Applied Mechanics and Materials (Volumes 416-417)

Pages:

461-467

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.416-417.461

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Online since:

September 2013

Authors:

Hong Fei Liao, Qi Feng Liang

Keywords:

Control System, Inverter, Single Photovoltaic

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References

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