面向高比例可再生能源电力系统的容量补偿机制研究  

Capacity Compensation Mechanism for Highly-proportional Renewable Energy Power Systems

作　　者：刘硕 于松泰[1] 孙田 司良奇 董晓亮 秦亚斌 LIU Shuo;YU Songtai;SUN Tian;SI Liangqi;DONG Xiaoliang;QIN Yabin(Beijing Power Exchange Center Co.,Ltd.,Xicheng District,Beijing 100031,China;State Key Laboratory of Power System and Generation Equipment(Tsinghua University),Haidian District,Beijing 100084,China)

机构地区：[1]北京电力交易中心有限公司,北京市西城区100031 [2]电力系统及大型发电设备安全控制和仿真国家重点实验室(清华大学),北京市海淀区100084

出　　处：《电网技术》2022年第5期1780-1789,共10页Power System Technology

摘　　要：可再生能源的较低发电边际成本将导致市场中的能量价格持续处于低位,压缩了各类电源的收益空间。为确保电力系统中的充足容量供给,市场需要引入容量补偿机制。文章综述并比较了国外电力市场的典型容量补偿机制,提出了适应于我国的电力容量补偿机制。具体地,该方法考察了市场中各机组单位有效容量的成本缺额的平均值,确定了单位有效容量的成本补偿价格,并据此对机组容量补偿价格进行结算。最后,基于我国某省目前实际和未来规划的电力系统数据完成了算例。结果表明,随着可再生能源渗透率的不断提高,需要容量补偿的火电机组逐渐增加,容量补偿收益占总收益比例不断增加,容量补偿机制重要性将不断凸显。The lower marginal costs of renewable energy will lead to low energy prices in the market,compressing the profitability of various types of power sources.In order to ensure sufficient capacity supply in the power system,the market needs to introduce capacity compensation mechanism.This paper summarizes and compares the typical capacity compensation mechanisms in the foreign power markets,and proposes a power capacity compensation mechanism suitable for our country.Specifically,this method examines the average values of the cost gap of the unit effective capacity of each unit in the market,determines the cost compensation prices of the unit effective capacity,and settles the unit capacity compensation prices accordingly.Finally,this paper completes a case study based on the current actual and future planned power system data of a certain province in China.The results show that as the penetration rate of renewable energy continues to increase,the number of thermal power units that need capacity compensation gradually increases,and so do the capacity compensation revenue accounts for the total revenue.With its proportion in the total revenue to be increased continuously,the importance of the capacity compensation mechanism will gradually be highlighted.

关 键 词：电力市场 容量补偿机制 成本缺额 机组有效容量 

分 类 号：TM73[电气工程—电力系统及自动化]