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      저자 : Zhenhe Ju (검색결과 2 건)
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      • The Design of the Household Solar Power Generation System and its Economic Evaluation

        Tieyan Zhang,Peng Liu,Zhenhe Ju 보안공학연구지원센터 2016 International Journal of Smart Home Vol.10 No.7

        Solar energy is an inexhaustible supply of clean energy, and it is one of the most common natural resources of solar energy. To provide a more economical, environmentally form of supplying power for the far away grid and some villa. This paper presents the design of household solar power system. According to the local weather conditions, environment and the demand of the household electricity load. This paper presents how to select the devices according the actual condition. It includes how to choose the model of the inverter, how to determine the battery capacity, how to determine the solar panel module and the construction requirements. Finally, this paper make an economic assessment for this power generation. This economic assessment is about the PR, NPV and the discounted payback period.

      • The Least Action Solving Method of MPPT for Micro-Inverter in Distributed PV Grid

        Xiaoju Yin,Fengge Zhang,Yonggang Jiao,Zhenhe Ju 보안공학연구지원센터 2015 International Journal of Grid and Distributed Comp Vol.8 No.4

        The solar radiation conditions and environmental factors on the shadow of the power generation resulted in loss of efficiency. In this paper, a simple structure with interleaved isolation converter according to the characteristics of the hardware circuit is proposed in order to improve the conversion efficiency of photovoltaic grid system. First, the hot spot effect and discretization of solar panels according to the characteristics of the micro-inverter with a lot of promotion is analyzed. The least action recursive method is involved, which has high computing precision, and therefore is more suitable for distributed micro-inverter system. The PC56F8245 chip is chosen to overcome the loss of photovoltaic energy and improve the conversion efficiency. The stability and high accuracy has been proved through the related experiments.

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