电力系统自动化2024,Vol.48Issue(16):99-108,10.DOI:10.7500/AEPS20230825001
快速频率响应负荷参与惯量辅助服务能力评估及应用
Capability Assessment and Application of Fast Frequency Response Load Participating in Inertia Auxiliary Service
摘要
Abstract
The increasing proportion of renewable energy has led to the reduction of the power system inertia level.To prevent rapid frequency drop after fault in the low-inertia system,it is urgent to explore new inertia response resources.Fast frequency response load(FFRL)can flexibly adjust the load level to provide emergency support according to the rate of change of frequency after the power grid fault.An assessment method for FFRL inertia support effect is proposed based on the system frequency response model of power system with FFRL participation.An optimization model for FFRL participation in inertia auxiliary services is established considering the inertia service compensation mechanism of different market entities.The calculation results have verified the accuracy of the proposed assessment method and the improvement effect of the participation of FFRL in inertia auxiliary services on system operation economy and system frequency safety and stability.Compared with traditional thermal power units,FFRL can provide more inertia response with less response capacity,and flexibly transform according to its response strategy and control method,thereby more accurately responding to the grid requirements for its own inertia level.关键词
新能源/快速频率响应负荷/电力系统惯量/惯量支撑/辅助服务Key words
renewable energy/fast frequency response load/inertia of power system/inertia support/auxiliary service引用本文复制引用
缪蔡然,江叶峰,施琳,樊陈,姚建国,王琦..快速频率响应负荷参与惯量辅助服务能力评估及应用[J].电力系统自动化,2024,48(16):99-108,10.基金项目
国家电网有限公司科技项目(5108-202218280A-2-293-XG). This work is supported by State Grid Corporation of China(No.5108-202218280A-2-293-XG). (5108-202218280A-2-293-XG)