Fast Decomposed Method for Dynamic Energy Flow Calculation in Integrated Electricity and Heat System

被引：2

作者：

Ma, Rui ^{[1
]}

Liu, Hongzhi ^{[2
]}

Geng, Jialu ^{[2
]}

Zhu, Dongge ^{[1
]}

Yan, Zhenhua ^{[1
]}

Luo, Zhao ^{[2
]}

Zhang, Qingping ^{[1
]}

Li, Xuefeng ^{[1
]}

机构：

[1] State Grid Ningxia Elect Power Co Ltd, Elect Power Res Inst, Yinchuan 750002, Ningxia, Peoples R China

[2] Kunming Univ Sci & Technol, Fac Elect Power Engn, Kunming 650500, Yunnan, Peoples R China

来源：

IEEE ACCESS | 2021年 / 9卷

关键词：

Resistance heating; Power systems; Power system dynamics; Computational modeling; Hydraulic systems; Cogeneration; Mathematical models; Integrated electricity and heat system; energy flow calculation; decomposed method; modification mode; GAS; POWER; TIME;

D O I：

10.1109/ACCESS.2021.3116810

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The development of integrated electricity and heat system (IEHS) promotes the renewable energy penetration and the complementary coupling between the electric power system (EPS) and the district heat system (DHS). The efficient energy flow calculation (EFC) in the IEHS has become a hotspot as the system scale and complexity increase. This paper firstly constructed the dynamic DHS model using Euler difference scheme. On this basis, the fast decomposed method is proposed to decompose the system with various scales and topologies, which improves the computation efficiency. Moreover, the modification mode is then developed to modify the EFC results in the decomposed systems and ensure the accuracy. Numerical simulation verifies the accuracy of the proposed method and its superiority in computation efficiency.

引用

页码：168760 / 168766

页数：7

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