Research on Filter Switching and Reactive Control Strategy of ±800 kV Jinping-Suzhou DC Transmission Project

WEI Peng; LIU Jiankun; ZHOU Qian; WANG Chenggen; LI Peng; ZHANG Qingwu

doi:10.13296/j.1001-1609.hva.2016.09.003

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Research on Filter Switching and Reactive Control Strategy of ±800 kV Jinping-Suzhou DC Transmission Project

更新时间：2025-04-26

- Research on Filter Switching and Reactive Control Strategy of ±800 kV Jinping-Suzhou DC Transmission Project
- High VoltageApparatus Vol. 52, Issue 9, Pages: 14-19(2016)
- 作者机构：
  
  1. 江苏省电力公司电力科学研究院
  2. 南京南瑞继保电气有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.09.003
  CLC： TM721.1
- Published：2016
- 稿件说明：
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[1]卫鹏,刘建坤,周前,汪成根,李鹏,张庆武.锦屏—苏州±800kV特高压直流滤波器投切及无功控制策略研究[J].高压电器,2016,52(09):14-19.

WEI Peng, LIU Jiankun, ZHOU Qian, et al. Research on Filter Switching and Reactive Control Strategy of ±800 kV Jinping-Suzhou DC Transmission Project[J]. High voltageapparatus, 2016, 52(9): 14-19.
[1]卫鹏,刘建坤,周前,汪成根,李鹏,张庆武.锦屏—苏州±800kV特高压直流滤波器投切及无功控制策略研究[J].高压电器,2016,52(09):14-19. DOI： 10.13296/j.1001-1609.hva.2016.09.003.

WEI Peng, LIU Jiankun, ZHOU Qian, et al. Research on Filter Switching and Reactive Control Strategy of ±800 kV Jinping-Suzhou DC Transmission Project[J]. High voltageapparatus, 2016, 52(9): 14-19. DOI： 10.13296/j.1001-1609.hva.2016.09.003.

摘要

特高压直流输电无功电压控制不仅要能满足系统运行的基本滤波要求

还要考虑交流电压和无功交换的边界条件。为了研究无功电压控制控制策略的优先级

以锦屏—苏州±800 kV特高压直流输电工程为例

研究了换流站交流滤波器控制定值

详细搭建了各级滤波器投切控制模型

研究了苏州换流站无功控制的优先级以及无功控制模式。结果表明无功控制按照优先级顺序由低到高为绝对最小滤波控制、最高/最低电压控制、最大无功交换控制、最小滤波器控制和无功交换控制/电压控制

给出了减小换相失败发生几率配套无功控制策略的建议。

Abstract

Voltage and reactive power control of HVDC transmission must consider the boundary conditions of AC voltage and reactive power exchange. In order to understand the priority of the reactive power control strategy

Jinping-Suzhou ± 800 kV HVDC transmission project is taken as an example in this study to determine the definite control value of AC filter in a converter station. Switching control models of the filters at all grades are constructed to reveal the priority of reactive power control and the control mode of the converter station in Suzhou converter station. Results show that the reactive power control strategies are absolute minimum filter control

maximum/minimum voltage control

maximum reactive power control

minimum filter control

and reactive exchange control/voltage control

according to the priority sequence from low to high. In addition

some reactive power control strategies for reducing the commutation failure probability are offered.

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