摘要
光伏电源出力具有随机性、波动性和间歇性,对电力系统具有一定负面影响。通过采用峰谷分时电价措施引导用户来改变用电方式,对负荷曲线产生修正作用,使负荷与光伏出力变化趋势接近,提升两者之间的相关性,从而提升光伏电站的置信容量。在含有光伏发电的IEEE-RTS79系统中引入分时电,进行随机生产模拟,在计入光伏与负荷随机波动的情况下,对采用分时电价措施前后的系统可靠性进行评估;采用序贯蒙特卡洛法计算可靠性指标,采用弦截法得出接入光伏的置信容量,验证了分时电价措施提升光伏出力置信容量的效果。
The photovoltaic output power is obvious random, fluctuant and intermittent, which has certain extent of negative effects on power system. TOU method is adopted to guide the consumers to change the power consumption way. And the load profile is regulated to track PV power output and improve the correlation of them, which leads to increment of PV capacity credit. TOU method is introduced in the IEEE-RTS79 system with photovoltaic generation to simulate the probabilistic production. And the reliability of the system before and after using TOU method is evaluated with taking into account of stochastic fluctuation of load and PV output. Then the reliability indicator is calculated with sequential Monte Carlo algorithm,and PV capacity credit is obtained with secant method. The result verifies the effectiveness of TOU method on improving PV capacity credit.
作者
许文超
范文飞
高君
任佳依
顾伟
XU Wenchao FAN Wenfei GAO Jun REN Jiayi GU Wei(Jiangsu Electric Power Design Institute, Nanjing 211102, China Southwest Electric Power Design Institute, Chengdu 610065, China School of Electrical Engineering, Southeast University, Nanjing 210096, China)
出处
《江苏电机工程》
2016年第5期35-39,共5页
Jiangsu Electrical Engineering
基金
国家自然科学基金项目(51477029)
关键词
光伏消纳
等效负荷曲线
分时电价
序贯蒙特卡洛算法
pphotovoltaic power accommodation
equivalent load profile
TOU
sequential monte carlo algorithm
