用于安全稳定控制的高压直流极闭锁判据

REN Zuyi; ZUO Hongbo; WU Xiaochen; HUANG He; CHEN Songling; LIU Zhi; ZHOU Jian; WANG Xinbao; SUN Guanghui

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用于安全稳定控制的高压直流极闭锁判据

更新时间：2025-08-13

- 用于安全稳定控制的高压直流极闭锁判据
- Automation of Electric Power Systems Vol. 31, Issue 10, Pages: 41-44(2007)
- 作者机构：
  
  1. 南京南瑞继保电气有限公司,江苏省,南京市,211100
  2. 中国石油大连石油化工公司,辽宁省,大连市,116031
  3. 中国南方电网技术研究中心,广东省,广州市,510620
  4. 中国南方电网电力调度通信中心,广东省,广州市,510620
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2007
- 稿件说明：
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REN Zuyi, ZUO Hongbo, WU Xiaochen, et al. [J]. Automation of electric power systems, 2007, 31(10): 41-44.
DOI：

REN Zuyi, ZUO Hongbo, WU Xiaochen, et al. [J]. Automation of electric power systems, 2007, 31(10): 41-44. DOI：

摘要

交直流并联运行电网中直流极闭锁后引起的安全稳定问题十分突出，如何正确判别直流极闭锁是安全稳定控制系统研究中的重要课题。采用数值仿真方法分析了直流极闭锁对电力系统稳定的影响，指出稳定控制装置必须正确、快速地判出不同形式的直流极闭锁。通过研究直流极闭锁的电气量特征以及直流控制保护系统的动作行为，提出了可靠的直流极闭锁综合判据，并进行了详细的阐述。通过介绍中国南方交直流混联电网安全稳定控制系统核心部分———高肇直流输电安全稳定控制系统，进一步论述了研究直流极闭锁判据及直流极闭锁后稳定控制的重要性。

Abstract

HVDC pole blocking in AC-DC hybrid power grid may cause serious problem of system security and stability. Hence it is very important issue to correctly detect HVDC pole blocking in the power system stability control. By digital simulation， the influence of HVDC pole blocking on power system stability is analyzed. Results in the paper indicate that the system protection must detect all kinds of pole blocking contingencies correctly and quickly. Based on the electrical characteristics of HVDC pole blocking and the operation of HVDC control system， the reliable HVDC pole blocking universal detection is proposed and explained in detail. Through the introduction of the Gaopo-Zhaoqing HVDC stability control system， which is the core of the stability control system of China Southern AC-DC hybrid power grid， the importance of detecting HVDC pole blocking and corresponding stability control are further explained.

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