Planning of integrated gas and electricity system considering coordinated expansion of power-to-gas facilities and wind farms

被引：0
|
作者：
Liu T. [1 ]
Zeng H. [1 ]
He C. [1 ]
Su X. [1 ]
Hu X. [1 ]
Ai Q. [1 ]
Lu J. [1 ]
机构：
[1] College of Electrical Engineering and Information Technology, Sichuan University, Chengdu
来源：
Dianli Zidonghua Shebei/Electric Power Automation Equipment | 2019年 / 39卷 / 08期
关键词：
Integrated energy system; Long-term expansion planning; Mixed integer programming; Operation security; Power-to-gas; Wind power accommodation;
D O I：
10.16081/j.epae.201908008
中图分类号：
学科分类号：
摘要：
With the development of P2G(Power-to-Gas) technology and the increasing penetration of gas-fired generators, the interdependency between electricity and natural gas system has been gradually intensified. In this background, when expansion planning the integrated gas and electricity system, the expansion of generating units, transmission lines, natural gas wells, gas pipelines, wind farms and P2G facilities is considered. Moreover, the influences of the coordinated expansion of P2G facilities and wind farms on the system expansion plan, wind power accommodation, and economy have been explored. In addition, considering the operation constraints of power system and natural gas system, a long-term coordinated planning model for the integrated gas and electricity system is proposed, which aims at minimizing the sum of investment cost and operation cost. Then, the model is converted into a mixed-integer programming model by piecewise linear method. Finally, the effectiveness of the proposed model is verified by the IEEE 24-bus power system and 20-node natural gas system, and the results show that the reasonable coordinated expansion of P2G facilities and wind farms can reduce transmission line congestion and over-construction, and improve economy of system and operation security. © 2019, Electric Power Automation Equipment Press. All right reserved.
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页码：144 / 151
页数：7
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