华中—华北交流同步电网简化等值建模分析

LIU Ju

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华中—华北交流同步电网简化等值建模分析

更新时间：2025-08-13

- 华中—华北交流同步电网简化等值建模分析
- Automation of Electric Power Systems Vol. 38, Issue 6, Pages: 38-42(2014)
- 作者机构：
  
  强电磁工程与新技术国家重点实验室，华中科技大学,湖北省,武汉市,430074
- 作者简介：
- 基金信息：
- DOI：
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- Published：2014
- 稿件说明：
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LIU Ju. [J]. Automation of electric power systems, 2014, 38(6): 38-42.
DOI：

LIU Ju. [J]. Automation of electric power systems, 2014, 38(6): 38-42. DOI：

摘要

为了深入地研究华中—华北交流互联同步电网的运行机理，将华中电网与华北电网简化等值成一个7机48节点系统，该等值系统较好地保留原型系统的联络线潮流静态特性、联络线功率动态特性、大扰动冲击特性和短路电流特性。通过对该等值系统仿真分析，初步证明了仿真中发现的四川区域电网个别母线严重故障导致华中电网与华北电网间交流联络线发生解列的现象属于功角失稳范畴，基于此提出了一种实用的可提高系统稳定性的措施。

Abstract

In order to further study the operation mechanism of the Central-North China AC synchronous power grid

this paper simplified this power grid into a 7-machine 48-node equivalent system. The equivalent system well retains the power flow static characteristics

tie-line power dynamic characteristics

the impact of large disturbance characteristics and short-circuit current characteristics of the original power grid. By the simulation analysis of the equivalent system

this paper preliminarily proves that the system UHV AC line splitting resulting from the serious fault occurring in Sichuan power grid is an angle instability problem. Based on this

a practical measure is proposed to improve the system stability.

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