CAJ | 학술논문

受光照、温度等自然条件影响,光伏电源输出有功功率具有较大的波动性.因此,本身既非恒压源又非恒流源的光伏电源并网运行时会产生一系列问题,如对电网冲击性大、需增加旋转备用容量、难以参与电网调度等.利用电池储能系统来控制有功功率输出,可以使平滑光伏电源功率波动成为可能.研究了光储联合发电系统的运行模式,提出了适用于光储联合发电系统的拓扑结构和控制策略,并对储能用功率转换系统(PCS)进行了分析和设计,最后基于某光伏电站的实际历史运行数据,对所提出的方案进行仿真研究,仿真结果验证了光储联合发电系统控制策略的有效性和可行性,为光储联合运行示范工程提供了一定的理论依据和有力借鉴.
수광조、온도등자연조건영향,광복전원수출유공공솔구유교대적파동성.인차,본신기비항압원우비항류원적광복전원병망운행시회산생일계렬문제,여대전망충격성대、수증가선전비용용량、난이삼여전망조도등.이용전지저능계통래공제유공공솔수출,가이사평활광복전원공솔파동성위가능.연구료광저연합발전계통적운행모식,제출료괄용우광저연합발전계통적탁복결구화공제책략,병대저능용공솔전환계통(PCS)진행료분석화설계,최후기우모광복전참적실제역사운행수거,대소제출적방안진행방진연구,방진결과험증료광저연합발전계통공제책략적유효성화가행성,위광저연합운행시범공정제공료일정적이론의거화유력차감.
Due to weather conditions, the output power of Photovoltaic (PV) systems often experience significant fluctuation. The PV power is therefore neither a constant voltage source nor a constant current source. This can lead to a series of issues when connected to a power grid including power surge, requirement of more spinning reserve capacity and difficulties in participating power grid dispatching. The use of energy storage could improve the quality of PV output via controlling the power output. In this article, a Photovoltaic-Energy Storage Hybrid System is proposed and topology diagram and a control strategy are presented. A power converter system (PCS) is designed and analyzed for the energy storage system. These are validated through simulation using operation data of a real PV power station.