MPPT Control Method Using Boost Type DC-DC Converter for PV Generation System with Mismatched Modules

Cheng Yang Huang; Kazutaka Itako; Takeaki Mori; Qiang Ge

doi:10.4028/www.scientific.net/AMR.918.171

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 918MPPT Control Method Using Boost Type DC-DC...

MPPT Control Method Using Boost Type DC-DC Converter for PV Generation System with Mismatched Modules

Abstract:

Nowadays in a household PV generation system, it is generally connecting PV modules in series and then output to the power-conditioner. However, when PV modules are mismatched, it will lead to a wrong maximum power point tracking (MPPT) to all modules and a power decreasing of the whole system. Aiming at this problem, this paper presents the idea which improves the MPPT without changing the conventional power-conditioner, by adding a boost type DC-DC converter behind each module. Simulations of PSIM and experiments are taken to prove this theory. The result shows that, by this idea, the generated power of the conventional PV generation system can be greatly increased under the condition of mismatch.

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Periodical:

Advanced Materials Research (Volume 918)

Pages:

171-176

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.918.171

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Online since:

April 2014

Authors:

Cheng Yang Huang, Kazutaka Itako*, Takeaki Mori, Qiang Ge

Keywords:

Mismatched Modules, MPPT, PV Generation System

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* - Corresponding Author

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