计及氢气注入与压缩因子的综合能源系统能流计算  

Calculation of energy flow in integrated energy systems with hydrogen injection and compression factors

作　　者：刘鹏飞[1] 武家辉[1] 王海云[1] 张强 LIU Pengfei;WU Jiahui;WANG Haiyun;ZHANG Qiang(Engineering Research Center of Renewable Energy Power Generation and Grid Connection Control,Urumqi 830017,China;State Grid Xinjiang Integrated Energy Service Company Limited,Urumqi 830011,China)

机构地区：[1]可再生能源发电与并网控制教育部工程研究中心,新疆乌鲁木齐830017 [2]国网新疆综合能源服务有限责任公司,新疆乌鲁木齐830011

出　　处：《电力系统保护与控制》2024年第2期118-128,共11页Power System Protection and Control

基　　金：国家自然科学基金项目资助(52167016);新疆维吾尔自治区重点实验室开放课题项目资助(2023D04071)。

摘　　要：为实现“双碳”目标,综合能源系统(integrated energy systems, IES)成为了近几年的重要研究方向之一,然而传统的IES能流计算已经无法精确地反映电制气(power-to-gas, P2G)技术带来的氢气注入天然气网络后的混合燃气的参数变化对IES的影响。为此,在传统天然气系统稳态分析方法的基础上加入了SRK(Soawk-Redlich-Kwong)气体状态方程,将压缩因子作为状态变量,提出可以反映氢气注入天然气系统,对气体流量和混合燃气热值产生影响的稳态分析方法。以此为基础,提出了计及氢气注入与压缩因子的电-热-气IES能流分解求解计算方法。最后通过算例验证了所提方法可有效反映混合燃气的参数变化对IES的影响。To realize the goal of“dual-carbon”,integrated energy systems(IES)have become an important research direction in recent years.However,the traditional IES energy flow calculation can no longer accurately reflect the impact of the parameter changes of the mixed gas after hydrogen injection into the natural gas network brought by the power-to-gas(P2G)technology on an IES.For this reason,the SRK(Soawk-Redlich-Kwong)gas equation of state is added to the traditional steady state analysis method for natural gas systems,and the compression factor is used as a state variable,so as to propose a steady state analysis method that can reflect the effect of hydrogen injection.A computational method for solving the electro-thermal-gas IES energy flow decomposition taking into account the hydrogen injection and compression factors is proposed.The proposed model and method are validated by an arithmetic example.This effectively reflects the effect of parameter variations of gas mixture on the IES.

关 键 词：综合能源系统 能量流计算 氢气注入 气体状态方程 压缩因子 

分 类 号：TK01[动力工程及工程热物理] TM744[电气工程—电力系统及自动化]