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首页> 外文期刊>IEEE transactions on industrial informatics >Energy Flow Optimization for Integrated Power–Gas Generation and Transmission Systems
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Energy Flow Optimization for Integrated Power–Gas Generation and Transmission Systems

机译：集成功率 - 气体产生和传输系统的能量流优化

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摘要

This paper first presents a comprehensive model of the gas system with detailed formulations on pipelines, short pipes, resistors, valves, compressors, and compressor stations. Furthermore, an optimal energy flow model is proposed for integrated power-gas generation and transmission systems. Specifically, on the generation side, gas-fired units couple the two energy systems as the power generation and gas sink; on the transmission side, gas compressor stations link the two energy systems as the power demand and gas transportation. However, gas flow equations are nonlinear and gas flow directions also need to be optimized. Logical programming and tailored piecewise linearization techniques are performed, leading to a mixed-integer linear program (MILP). Only a logarithmic number of binary variables are introduced to represent the nonlinear quadratic function, and thus, the MILP model can be solved very efficiently. Numerical results on four power-gas test systems demonstrate the effectiveness of the proposed approach.
机译：本文首先介绍了气体系统的综合模型，具有管线，短管，电阻器，阀门，压缩机和压缩机站的详细配方。此外，提出了一种最佳能量流模型，用于集成的电力 - 气体产生和传输系统。具体地，在生成侧，燃气单元将两个能源系统耦合作为发电和气体水槽;在传输侧，气体压缩机站将两个能量系统连接为电力需求和燃气运输。然而，气体流方程是非线性的，并且还需要优化气体流动方向。执行逻辑编程和量身定制的线性化技术，导致混合整数线性程序（MILP）。仅引入对数数的二进制变量来表示非线性二次函数，因此，可以非常有效地解决MILP模型。四个动力 - 气体测试系统的数值结果证明了所提出的方法的有效性。

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