天然气管网系统运行优化研究进展

Research Progress on Operation Optimization of Natural Gas Pipeline System

为实现天然气资源的优化调度,确保天然气管道安全运行,总结了关于天然气管网系统运行优化的研究,分析该领域的发展背景、确定研究重点和难点。首先梳理了天然气管道系统优化的文献,揭示了天然气管道模拟研究热点的转移和变化。然后,从理论与实践的角度对天然气管道系统运行优化进行了综述,包括数学问题的建模和求解方法,以及管道系统中的各种参数和约束条件。同时,还展示了管网运行优化在实际工程中的应用效果。最后,对未来的研究方向与方法进行了探讨。研究表明:(1)天然气管网运行优化的数学求解方法有线性规划、非线性规划与动态规划等方法,还包括蚁群算法、遗传算法、模拟退火遗传算法、广义简约梯度法、人工蜂群算法、微粒群算法等等以及各种算法的改进和混合。(2)对管网运行优化方法进行实际工程应用,评估其效果和可行性主要运用管网系统仿真软件,SPS与TGNET是目前国内运用最广泛的天然气系统仿真软件。(3)我国自主研发的天然气管网系统仿真软件不断取得新的进展,未来的创新方向体现在天然气管网瞬态运行优化方面。

To optimize the dispatch of natural gas resources and ensure the safe operation of natural gas pipelines,a summary of research on the operation optimization of natural gas pipeline systems has been conducted.This research aims to analyze the background,determine the research focus,and identify the challenges in this field.Firstly,an overview of literature on the optimization of natural gas pipeline systems has been provided,revealing the shifting and changing research hotspots in natural gas pipeline simulation studies.Subsequently,a comprehensive review of the operation optimization of natural gas pipeline systems has been presented from both theoretical and practical perspectives,including the modeling and solution methods for mathematical problems,as well as various parameters and constraints in pipeline systems.Furthermore,the practical application and effectiveness of pipeline network operation optimization have been showcased in engineering projects.Finally,future research directions and methods have been discussed.The research findings indicate that:(1)Mathematical solution methods for natural gas pipeline network operation optimization include linear programming,nonlinear programming,dynamic programming,as well as various algorithms such as ant colony algorithm,genetic algorithm,simulated annealing genetic algorithm,generalized reduced gradient method,artificial bee colony algorithm,particle swarm optimization,and their improvements and hybrids.(2)The evaluation of the application effectiveness and feasibility of pipeline network operation optimization methods mainly relies on the use of pipeline system simulation software.SPS and TGNET are currently the most widely used natural gas system simulation software in China.(3)The independently developed simulation software for natural gas pipeline networks in China continues to make progress,with future innovative directions focusing on transient operation optimization of natural gas pipeline networks.