中国电力2026，Vol.59Issue(4)：59-69,11.DOI:10.11930/j.issn.1004-9649.202509069
计及多资源投运占比的电力系统惯量量化评估方法
A quantitative evaluation method for power system inertia considering the proportion of multiple resources in operation
摘要
Abstract
With high-proportion new energy grid integration,power system inertia characteristics have evolved fundamentally,and traditional methods relying on synchronous units can hardly meet new-type power system needs.This paper proposes an inertia quantification method based on multi-dimensional inertia resource operation proportion:first,a multi-resource inertia assessment model(covering synchronous units,new energy,DC transmission,flexible loads and energy storage)is built,systematically analyzing various resources'inertia support mechanisms;second,differentiated quantitative modeling is conducted for each resource's inertia characteristics to characterize their inertia contribution under different conditions,with an innovative inertia statistical method based on capacity proportion weight proposed for comprehensive assessment of overall inertia;finally,multi-scenario verification is done via PSD-BPA and the proposed frequency response model.In the CSEE small system's 80 MW load-shedding scenario,the steady-state frequency and maximum frequency deviation errors versus PSD-BPA measured values are only 0.023%and 8.809%.关键词
多资源电力系统/惯量量化评估/源网荷储Key words
multi-resource power system/inertia evaluation/renewable energy引用本文复制引用
闫朝阳,李杰,刘韶峰,丁超杰,周天,常康,杨丽..计及多资源投运占比的电力系统惯量量化评估方法[J].中国电力,2026,59(4):59-69,11.基金项目
This work is supported by National Science and Technology Major Special Projects(No.2024ZD0801100),Science and Technology Project of State Grid Jiangsu Electric Power Co.,Ltd.(No.J2023120). 国家科技重大专项(2024ZD0801100) （No.2024ZD0801100）
国网江苏省电力有限公司科技项目(J2023120). （J2023120）
