Unified optimal power flow model for AC/DC grids integrated with natural gas systems considering gas-supply uncertainties

被引：11

作者：

Fan, Jiale ^{[1
]}

Tong, Xiaoyang ^{[1
]}

Zhao, Junbo ^{[2
]}

机构：

[1] Southwest Jiaotong Univ, Sch Elect Engn, Chengdu 610036, Sichuan, Peoples R China

[2] Virginia Polytech Inst & State Univ, Bradley Dept Elect & Comp Engn, Blacksburg, VA 22043 USA

来源：

JOURNAL OF MODERN POWER SYSTEMS AND CLEAN ENERGY | 2018年 / 6卷 / 06期

关键词：

AC; DC optimal power flow (OPF); Natural gas system; Benders decomposition; Second-order cone programming; DEMAND RESPONSE; ELECTRICITY; VARIABILITY; NETWORKS; ENERGY; HVDC;

D O I：

10.1007/s40565-018-0404-6

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A unified optimal power flow (OPF) model for AC/DC grids integrated with natural gas systems is proposed for the real-time scheduling of power systems. Herein, the primary physical couplings underlying this coordinated system are modeled and investigated. In addition, the uncertainties of gas loads are considered when studying the role of gas supply for gas-fired units in power system operations. The nonlinear gas system constraints are converted to the second-order cone forms that allow for the use of the Benders decomposition techniques and the interior-point method to obtain the optimal solution. The numerical results of the modified IEEE 118-bus test system that integrates the Belgium 20-node natural gas system demonstrate the effectiveness of the proposed model. The effects of gas demand uncertainties on the optimal schedule of thermal generators are investigated as well.

引用

页码：1193 / 1203

页数：11

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