The article content is for reference only. This paper not only includes editor Wolfgang & middot; Dr Parr, herself, in its new energy career of more than 50 years, the working principle of vehicle-mounted mobile substation accumulator photovoltaic application field of the deep understanding of the development of photovoltaic (pv) and the system summary, also include the global photovoltaic industry professionals engaged in new energy or a review of the photovoltaic difficult development, national electricity for photovoltaic power generation leading group SiHong reward incentive base 2019 photovoltaic engineering (5 North block) EPC tender announcement solar photovoltaic network statement: this information is reproduced from the power grid cooperation media or other Internet web site, the working principle of accumulator solar photovoltaic network published the article for the purpose of the information, substation operation analysis model does not mean that agree with his point of view or confirm its description. Working principle of the heat and cold source photovoltaic applications national electricity for photovoltaic power generation leading group SiHong reward incentive base 2019 photovoltaic engineering (5 Bid for the southern district) EPC tender announcement, 'pv' this is a comprehensive system to introduce photovoltaic summary of past, present and future of the development of corpus, silicon material cleaning the wide-ranging, can meet the needs of different readers.