Journal of the Japan Institute of Energy
Online ISSN : 1882-6121
Print ISSN : 0916-8753
ISSN-L : 0916-8753
Special articles: Grand Renewable Energy 2014 (Original Paper)
Power Control Method Using Kalman Filter Prediction for Stable Operation of PV/FC/LiB Hybrid Power System Based on Experimental Dynamic Characteristics
Thu Thi Hoai NGUYENTomonori NAKAYAMAMasayoshi ISHIDA
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2015 Volume 94 Issue 6 Pages 532-541

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Abstract

This paper focuses on controlling a real power system which includes 15 kW photovoltaic power source combined with 15 kW - 7.5 kWh lithium - ion battery and 10 kW proton exchange membrane fuel cell. A control method needs to be developed to ensure the power balance between the supply from the intermittent PV power and the demand at any instant. In this study, a power management unit associated with Kalman filter prediction and based on experimental dynamic characteristics of system components has been designed. The performance of system with implemented power management strategy for several typical days is evaluated through simulation. The simulation results show that this new control method is reliable in load satisfaction in a long term as well as in a short term. In addition, the proposed method, compared with conventional power management strategy, shows the benefit of using less hydrogen and therefore, higher efficiency in the simulation time.

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© 2015 The Japan Institute of Energy
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