送端直流孤岛系统频率限制器优化控制策略

doi:10.3969/j.issn.1000-7229.2016.02.015

电力建设 ›› 2016, Vol. 37 ›› Issue (2): 107-111.doi: 10.3969/j.issn.1000-7229.2016.02.015

送端直流孤岛系统频率限制器优化控制策略

吕思卓1，郑超1，杨金刚2，刘洪涛3

1. 中国电力科学研究院, 北京市 100192；2. 国网冀北电力有限公司经济技术研究院，北京市 100045；3. 中国南方电网电力调度控制中心，广州市 510623

出版日期:2016-02-01
作者简介:吕思卓（1989），男，硕士，工程师，主要研究方向为电力系统稳定与控制；郑超（1977），男，博士，高级工程师，主要研究方向为电力系统稳定与控制、高压直流输电、FACTS、新能源并网；杨金刚（1982），男，博士，高级工程师，主要研究方向为电力系统安全稳定分析和电网规划；刘洪涛（1974），男，博士，高级工程师，主要研究方向为电力系统安全稳定分析与控制。

FLC Optimization Control Strategy of Islanded HVDC Sending System

LYU Sizhuo1, ZHENG Chao1, YANG Jingang2, LIU Hongtao3

1. China Electric Power Research Institute, Beijing 100192, China；2. Economic Research Institute, State Grid Jibei Electric Power Company Limited, Beijing 100045, China；3. Power Dispatching Control Centre, CSG, Guangzhou 510623, China

Online:2016-02-01

摘要/Abstract

摘要：

频率限制控制器（frequency limit controller，FLC）作为一种重要的直流有功功率调制手段，可提高交直流混联系统的频率稳定水平，但直流有功功率的调节会改变换流站无功功率水平，进而影响系统电压特性。针对楚穗特高压送端直流孤岛系统，分析了交流系统发生短路故障后，FLC调节有功功率对整流站电压恢复特性的影响机理。在此基础上，提出了基于无功功率变化率的FLC优化控制策略，来提高送端系统的电压稳定性。仿真结果表明，该策略在抑制频率波动的同时，可改善孤岛系统的电压恢复特性。

关键词: 直流孤岛系统, 频率限制控制器（FLC）, 电压恢复特性, 无功功率变化率

Abstract:

As a kind of important means for DC active power modulation, frequency limit controller （FLC） can improve the frequency stability level of DC/AC hybrid system. However, DC active power modulation will change the reactive power consumption of converter station, thus affecting the voltage characteristics of system. In allusion to Chuxiong-Suidong UHVDC sending system under islanded operation, this paper analyzes the influence mechanism of DC active power modulation by FLC on the voltage recovery characteristics of rectifier station after the short circuit fault of AC system. On this basis, we propose the optimization control strategy for FLC based on the change rate of reactive power, which can improve the voltage stability of sending system. The simulation results show that this strategy can inhibit frequency fluctuation, while improve the voltage recovery characteristics of islanded system.

Key words: islanded HVDC system, frequency limit controller(FLC), voltage recovery characteristic, optimization measure, change rate of reactive power

中图分类号:

TM 721

吕思卓，郑超，杨金刚，刘洪涛. 送端直流孤岛系统频率限制器优化控制策略[J]. 电力建设, 2016, 37(2): 107-111.

LYU Sizhuo, ZHENG Chao, YANG Jingang, LIU Hongtao. FLC Optimization Control Strategy of Islanded HVDC Sending System[J]. Electric Power Construction, 2016, 37(2): 107-111.

参考文献

［1］梁旭明, 张平, 常勇. 高压直流输电技术现状及发展前景［J］. 电网技术, 2012, 36（4）: 1-9.
LING Xuming, ZHANG Ping, CHANG Yong. Recent advances in high-voltage direct-current power transmission and its developing potential［J］. Power System Technology, 2012, 36（4）: 1-9.
［2］赵畹君. 高压直流输电工程技术［M］. 北京: 中国电力出版社, 2004: 10-11.
［3］徐攀腾. 云广特高压直流输电工程送端孤岛频率控制分析［J］. 电力建设, 2011, 32（11）: 48-50.
XU Panteng. Frequency control analysis for island system at sending terminal in Yunnan-Guangdong UHVDC transmission project［J］. Electric Power Construction, 2011, 32（11）: 48-50.
［4］李亚男, 马为民, 殷威扬, 等. 向家坝—上海特高压直流系统孤岛运行方式［J］. 高电压技术, 2010, 36（1）: 185-189.
LI Yanan, MA Weimin, YIN Weiyang, et al. Island operation modes XS800 UHVDC system［J］. High Voltage Engineering, 2010, 36（1）: 185-189.
［5］王华伟, 韩民晓, 范园园, 等. 呼辽直流孤岛运行方式下送端系统频率特性及控制策略［J］. 电网技术, 2013, 37（5）: 1401-1406.
WANG Huawei, HAN Minxiao, FAN Yuanyuan, et al. Sending and frequency characteristics under islanded operation mode of HVDC transmission system from Hulun Buir to Liaoning and corresponding control strategy［J］. Power System Technology, 2013, 37（5）: 1401-1406.
［6］李朝顺, 张正茂, 康激扬. 大直流弱送端系统安全稳定控制策略［J］. 电网技术, 2014, 38（1）: 28-32.
LI Chaoshun, ZHANG Zhengmao, KANG Jiyang. Research on security and stability control strategy for weak sending-end system of large capacity HVDC power transmission system［J］. Power System Technology, 2014, 38（1）: 28-32.
［7］郭小江, 马世英, 卜广全, 等. 直流系统参与电网稳定控制应用现状及在安全防御体系中的功能定位探讨［J］. 电网技术, 2012, 36（8）: 116-123.
GUO Xiaojiang, MA Shiying, BU Guangquan, et al. Present application situation of DC system participating in power system stability control and discussion on position of its functions in security defense system［J］. Power System Technology, 2012, 36（8）: 116-123.
［8］郑超, 汤涌, 马世英, 等. 直流参与稳定控制的典型场景及技术需求［J］. 中国电机工程学报, 2014, 34（22）: 3750-3759.
ZHENG Chao, TANG Yong, MA Shiying, et al. A survey on typical scenarios and technology needs for HVDC participated into stability control［J］. Proceeding of the CSEE, 2014, 34（22）: 3750-3759.
［9］陈亦平, 程哲, 张昆, 等. 高压直流输电系统孤岛运行调频策略［J］. 中国电机工程学报, 2013, 33（4）: 96-103.
CHEN Yiping, CHENG Zhe, ZHANG Kun, et al. Frequency regulation strategy for islanding operation of HVDC［J］. Proceeding of the CSEE, 2013, 33（4）: 96-103.
［10］荆勇, 杨晋柏, 李柏青, 等. 直流调制改善交直流混联系统暂态稳定性的研究［J］. 电网技术, 2004, 28（10）: 1-4.
JING Yong, YANG Jinbai, LI Baiqing, et al. Research on improving transient stability of AC/DC hybrid system by HVDC modulation［J］. Power System Technology, 2004, 28（10）: 1-4.
［11］胡铭, 金小明, 高鹏, 等. 云广特高压直流输电系统孤岛运行的稳定控制措施［J］. 电网技术, 2009, 33（18）: 5-8.
HU Ming, JIN Xiaoming, GAO Peng, et al. Stability control strategies for ±800 kV DC transmission system from Yunnan to Guangdong under islanded operation［J］. Power System Technology, 2009, 33（5）: 5-8.
［12］许爱东, 吴小辰, 洪潮, 等. 楚穗直流孤岛系统安稳控制策略［J］. 南方电网技术, 2011, 5（2）: 102-105.
XU Aidong, WU Xiaochen, HONG Chao, et al. On security and stability control strategy for Chuxiong—Suidong UHVDC in islanded operation ［J］. Southren Power System Technology, 2011, 5（2）: 102-105.
［13］杜斌, 柳勇军, 涂亮, 等. 糯扎渡直流频率限制控制器研究［J］. 南方电网技术, 2013, 7（5）: 27-31.
DU Bin, LIU Yongjun, TU Liang, et al. Study on the frequency limit control of Nuozhadu DC transmission project［J］. Southren Power System Technology, 2013, 7（5）: 27-31.
［14］许达. 特高压直流输电系统孤岛运行研究［D］. 广州: 华南理工大学, 2012.
XU Da. Study on the islanding operation of UHVDC transmission system［D］. Guangzhou: South China University of Technology, 2012.

送端直流孤岛系统频率限制器优化控制策略

FLC Optimization Control Strategy of Islanded HVDC Sending System

PDF

可视化

摘要/Abstract

引用本文

使用本文

参考文献

相关文章 1

编辑推荐

Metrics

本文评价