国臣&能源基金会：农村光储直柔系统示范项目技术方案及商业模式研究报告（2022）（67页）.pdf

1、 中国光储直柔建筑战略发展路径研究 子课题 10:农村光储直柔系统示范项目技术方案及商业模式研究 Research on Chinas PEDF Building System Development 南京国臣直流配电科技有限公司南京国臣直流配电科技有限公司 20202 22.7.102.7.10 Nanjing Golden Cooperate DC Power Distribution Technology Co.,Ltd.July 10,2022 !#$!#$!#$%&()*+,-./0123456789:;5?ABCDEFGHIJKLHHMNOPPQRSBT ABOUT THE AUT

2、HORS (Feifei Wang，R&D Engineer of Nanjing Golden Cooperate DC Power Distribution Technology Co.,Ltd.She mainly engaged in the field of DC power distribution.Email:。)%&%&U3VWX%&()*+,-./012YZ8W_abcdeafg ACKNOWLEDGEMENT This report is a product of Nanjing Golden Cooperate DC Power Distribution Technolo

3、gy Co.,Ltd.and is funded by Energy Foundation China.()*()*-!#$%&()*+,-./012345678912:;-./?:;9AB()*CDEFG-HIJ9KLM6NOB()PQ-RSTUVL?-WXEYZ_Eabc97defghi:;jklmnompqrXE-stuv_Ea?Disclaimer-Unless otherwise specified,the views expressed in this report are those of the authors and do not necessarily represent

4、the views of Energy Foundation China.Energy Foundation China does not guarantee the accuracy of the information and data included in this report and will not be responsible for any liabilities resulting from or related to using this report by any third party.-The mention of specific companies,produc

5、ts and services does not imply that they are endorsed or recommended by Energy Foundation China in preference to others of a similar nature that are not mentioned.!庄上村光储直柔系统项目位于山西芮城黄河北岸的庄上村，分布式光伏总装机容量 2MW，储能 600kWh，包括户级光储直柔系统和村级光储直柔系统，二者组网通过变压器（AC/DC）与交流电网相连。户级光储直柔系统电压等级为DC220V，IT 不接地系统，采用单极接线方式、放射状

6、拓扑结构，通过直来电实现系统的电压变换和协调控制，主要用于供应居民用电，剩余电量送到村级光储直柔系统；村级光储直柔系统电压等级为 DC750V，IT 不接地系统，采用单极接线方式、放射状拓扑，便于村内各户之间以及与电网的能量交互。经过测算，系统总平均线损约 4%，低于设计限值 7%，实测整体效率达 91.7%。本项目通过发展“光储直柔”技术，以全面电气化的零排放助力“碳中和”，引领全球乡村区域零碳化运营并依托减碳理念实现乡村焕新。项目实现了分布式光伏的高效消纳，提升发电用电的能效和台区间功率互济的能力；解决了分布式光伏给电网带来的部分扩容压力、三相不平衡、谐波、电压波动及闪变等问题；解决了光伏