Multi-period transient energy-flow simulation of integrated power and gas energy system

被引：0

作者：

Wei, Zhinong ^{[1
]}

Mei, Jianchun ^{[1
]}

Sun, Guoqiang ^{[1
]}

Zang, Haixiang ^{[1
]}

Chen, Sheng ^{[1
]}

Chen, Shuang ^{[1
]}

机构：

[1] College of Energy and Electrical Engineering, Hohai University, Nanjing,211100, China

来源：

Dianli Zidonghua Shebei/Electric Power Automation Equipment | 2017年 / 37卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Natural gas - Nonlinear equations - Algebra - Finite difference method - Wind power - Electric load flow - Flow simulation - Newton-Raphson method;

D O I：

10.16081/j.issn.1006-6047.2017.06.006

中图分类号：

学科分类号：

摘要：

The multi-period transient energy-flow simulation of IPGES (Integrated Power and Gas Energy System) is researched, which adopts the transient energy-flow model for the natural gas system to consider its slow dynamic characteristics while the steady-state power-flow model for the power system. The implicit finite difference method is applied to convert the transient energy-flow equation of natural gas system into the nonlinear algebraic equations and the Newton method is applied to solve the nonlinear algebraic equations which are used to describe the integrated energy system in the multi-period transient energy-flow simulation. The coupling between power system and gas system is considered at two aspects: gas turbine and P2G (Power-to-Gas) technology. The multi-period transient energy-flows are calculated for an IPGES consisting of the modified IEEE 24-bus power system and the Belgian 20-node natural gas system, and the simulative results show there are significant differences between the gas system energy-flows on short-time scale calculated by the steady-state model and those by the transient model. The positive effect of P2G on the wind-power accommodation is quantitatively assessed. © 2017, Electric Power Automation Equipment Press. All right reserved.

引用

页码：41 / 47