摘要
针对影响光伏发电系统出力的两个因素(光照辐射强度和光伏组件温度)分别建立相应的时序数学模型。引入运行状态系数(operation state coefficient,OSC)表征设备运行状态对光伏发电系统出力的影响。将光照资源的波动性和设备的运行状态相结合,得出光伏发电系统的多状态时序出力模型。采用序贯蒙特卡罗法,对含光伏发电系统的配电网进行可靠性评估,通过不同的指标来衡量光伏发电系统对配电网可靠性的影响。研究表明,光伏发电系统接入配电网后能有效提高配电网的供电可靠性。
In the paper, timing mathematical models for light intensity and cell temperature are established which are the key factors that affect the output power of photovoltaic （PV） generation system. A parameter called operation state coefficient （OSC） is introduced to characterize the impact of equipment operation on the output power of PV generation system. Through combining the volatility of light resource with the equipment operation, the multi-state and timing output power modeling of PV generation system is proposed. It adopts the sequential Monte Carlo simulation method for studying the reliability evaluation of distribution network with PV generation system. Series of reliability indexes are used to evaluate the impact of grid-connected PV generation system for the distribution network. The simulation results showed that grid-connected PV generation system can improve the reliability of distribution network effectively.
出处
《太阳能学报》
EI
CAS
CSCD
北大核心
2016年第5期1197-1204,共8页
Acta Energiae Solaris Sinica
基金
国家自然科学基金(51177036)
国家电网公司科技项目(52110113091H)
中央高校基本科研业务费专项
