Study on Reactive Voltage Coordinate Control Strategy for Synchronous Condenser of ±800 kV Xiangtan Converter Station and UHVDC

HONG Quan; LI Hui; SONG Junying; GUO Siyuan; WU Jinbo; ZHU Weijun; OUYANG Fan; XU Hao

doi:10.14044/j.1674-1757.pcrpc.2020.05.007

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Study on Reactive Voltage Coordinate Control Strategy for Synchronous Condenser of ±800 kV Xiangtan Converter Station and UHVDC

更新时间：2024-09-14

- Study on Reactive Voltage Coordinate Control Strategy for Synchronous Condenser of ±800 kV Xiangtan Converter Station and UHVDC
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 41, Issue 5, Pages: 35-39(2020)
- 作者机构：
  
  1. 国网湖南省电力有限公司电力科学研究院
  2. 国网湖南省电力有限公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2020.05.007
  CLC： TM721.1
- Published：2020，
- 稿件说明：
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[1]洪权,李辉,宋军英,郭思源,吴晋波,朱维钧,欧阳帆,徐浩.±800kV湘潭换流站调相机与特高压直流输电无功电压协调控制策略研究[J].电力电容器与无功补偿,2020,41(05):35-39.

HONG QUAN, LI HUI, SONG JUNYING, et al. Study on Reactive Voltage Coordinate Control Strategy for Synchronous Condenser of ±800 kV Xiangtan Converter Station and UHVDC. [J]. Power capacitor & reactive power compensation, 2020, 41(5): 35-39.
[1]洪权,李辉,宋军英,郭思源,吴晋波,朱维钧,欧阳帆,徐浩.±800kV湘潭换流站调相机与特高压直流输电无功电压协调控制策略研究[J].电力电容器与无功补偿,2020,41(05):35-39. DOI： 10.14044/j.1674-1757.pcrpc.2020.05.007.

HONG QUAN, LI HUI, SONG JUNYING, et al. Study on Reactive Voltage Coordinate Control Strategy for Synchronous Condenser of ±800 kV Xiangtan Converter Station and UHVDC. [J]. Power capacitor & reactive power compensation, 2020, 41(5): 35-39. DOI： 10.14044/j.1674-1757.pcrpc.2020.05.007.

摘要

为提升动态无功支撑能力

抑制直流换相失败

直流换流站配置调相机进行紧急控制正成为新的趋势。但目前调相机仅作暂态支撑

稳态运行时无功输出基本为零

忽视了其稳态无功调节能力

未能充分发挥新一代调相机的无功支撑作用。本文基于现行特高压直流无功电压及调相机控制策略

提出了一种基于电压-无功匹配的调相机与特高压直流无功电压协调控制策略

实现了滤波器组投切时的电压波动抑制及固定电容器投切时的无功补偿

有效减少电压波动给特高压直流运行带来的换相失败风险

提升交流滤波器组运行经济性。

Abstract

For improving dynamic reactive power support capability and suppressing the DC commutation failure

it is a new trend to configure synchronous condenser at the DC converter station for emergency control.However

at present

the synchronous condenser is only used for transient support

the reactive power output is basically zero during steady-state operation

ignores its steady-state reactive power adjustment capabilityand is not able to fully utilize the reactive support of the new generation of synchronous condenser.In this paper

a kind of coordination control strategy of synchronous condenser based on voltage-reactive marching and the reactive power voltage of UHV DC is proposed on the basis of existing control strategy of UHVDC reactive power voltage and synchronous condenser so to achieve voltage fluctuation suppression in the switching of filter bank and reactive power compensation in the switching of the fixed capacitor

which can effectively reduce the risk of commutation failure caused by voltage fluctuations to UHVDC operationand improve the economic s of AC filter bank operation.

关键词

特高压直流无功电压控制调相机协调控制

Keywords

UHVDCreactive power and voltage controlsynchronous condensercoordinate control

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