舟山多端柔性直流输电示范工程及其评估
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摘要
介绍了舟山多端柔性直流输电示范工程基本情况、电网接线方式及直流控制保护功能,分析了快速重启动及换流站单站投退在工程中的应用及工程的运行效果。并结合实际运维经验,针对直流控制保护、换流阀子模块、直流断路器、直流测量装置等主要设备问题进行了分析,并给出了技术完善的方向。
This paper introduces the basic situation, the power grid connection mode, and the DC control and protection function of Zhoushan VSC-MTDC transmission demonstration project, and analyzes the application of fast restart and start/stop of a single converter station, together with the operation effect of the project. Combined with the practical operation and maintenance experience, the main equipment problems such as DC control and protection, converter valve submodule, DC circuit breaker and DC measuring device are analyzed, and the direction of technical perfection is given.
This paper introduces the basic situation, the power grid connection mode, and the DC control and protection function of Zhoushan VSC-MTDC transmission demonstration project, and analyzes the application of fast restart and start/stop of a single converter station, together with the operation effect of the project. Combined with the practical operation and maintenance experience, the main equipment problems such as DC control and protection, converter valve submodule, DC circuit breaker and DC measuring device are analyzed, and the direction of technical perfection is given.
引文
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[3] 汤广福,贺之渊,腾乐天,等.电压源换流器高压直流输电技术最新研究进展[J].电网技术,2008,32(22):39-44,89.TANG Guangfu,HE Zhiyuan,TENG Letian,et al.New progress on HVDC technology based on voltage source converter [J].Power System Technology,2008,32(22):39-44,89.
[4] 李亚男,蒋维勇,余世峰,等.舟山多端柔性直流输电工程系统设计[J],高电压技术 2014,40(8):2490-2496.LI Yanan,JIANG Weiyong,YU Shifeng,et al.System design of Zhoushan multi-terminal VSC-HVDC transmission project [J].High voltage engineering,2014,40 (8):2490-2496.
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[6] 董云龙,包海龙,田杰,等.柔性直流输电控制及保护系统[J].电力系统自动化,2011,35(19):89-92.DONG Yunlong,BAO Hailong,TIAN Jie,et al.Control and protection system for VSC-HVDC [J].Automation of Electric Power Systems,2011,35(19):89-92.
[7] 董云龙,杨勇,田杰,等.基于模块化多电平换流器的柔性直流输电动态模拟系统[J].电力系统自动化,2014,38(11):74-78.DONG Yunlong,YANG Yong,TIAN Jie,et al.Dynamic simulation system for modular multilevel converter based VSC-HVDC [J].Automation of Electric Power Systems,2014,38(11):74-78.
[8] 孟新涵,李可军,王桌迪,等.混合型MMC拓扑及应用于MTDC直流故障穿越能力分析[J].电力系统自动化,2015,39(24):72-79.MENG Xinhan,LI Kejun,WANG Zhuodi,et al.A hybrid MMC topology and its DC fault ride-through capability analysis when applied to MTDC system [J].Automation of Electric Power Systems,2015,39(24):72-79.
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[10] 赵成勇,陈晓芳,曹春刚,等.模块化多电平换流器HVDC直流侧故障控制保护策略[J].电力系统自动化,2011,35(23):82-87.ZHAO Chengyong,CHEN Xiaofang,CAO Chungang,et al.Control and protection strategies for MMC-HVDC under DC faults [J].Automation of Electric Power Systems,2011,35(23):82-87.
[11] 姜崇学,卢宇,汪楠楠,等.柔性直流电网中行波保护分析及配合策略研究[J].供用电,2017,34(3):51-56 JIANG Chongxue,LU Yu,WANG Nannan,et al.Analysis of traveling wave protection and study on coordination strategy in flexible DC grid [J].Distribution & Utilization,2017,34(3):51-56.
[12] 胡兆庆,毛承雄,陆继明.适用于电压源型高压直流输电的控制策略 [J].电力系统自动化,2005,29(1):39-44.HU Zhaoqing,MAO Chengxiong,LU Jiming.A novel control strategy for voltage sourced converters based HVDC [J].Automation of Electric Power Systems,2005,29(1):39-44.
[13] 梁少华,田杰,曹冬明,等.柔性直流输电系统控制保护方案[J].电力系统及其自动化,2013,37(15):59-65.LIANG Shaohua,TIAN Jie,CAO Dongming,et al.A control and protection scheme for VSC-HVDC system [J].Automation of Electric Power Systems,2013,37(15):59-65.
[14] 胡兆庆,毛承雄,陆继明.新型多端高压直流传输系统应用及其控制.高电压技术,2004,30(11):31-33.HU Zhaoqing,MAO Chengxiong,LU Jiming.Application and control strategy of new multi-terminal HVDC system [J].High voltage Engineering,2004,30(11):31-33.
[15] 唐庚,徐政,薛英林,等.基于模块化多电平换流器的多端柔性直流输电控制系统设计[J].高电压技术,2013,39(1):2773-2782.TANG Geng,XU Zheng,XUE Yinglin,et al.Control design of multi-terminal HVDC based on modular multilevel converter [J].High Voltage Engineering,2013,39(1):2773-2782.
[16] ZHANG L,HARNEFORS L,NEE H.Interconnection of two very weak AC systems by VSC-HVDC links using power synchronization control [J].IEEE Transactions on Power Systems,2011,26(1):344-355.
[17] ZHANG L,HARNEFORS L,NEE H P.Modeling and control of VSC-HVDC links connected to island systems [J].IEEE Transactions on Power Systems,2011,26(2):783-793.
[18] ZHANG L,NEE H P,HARNEFORS L.Analysis of stability limitations of a VSC-HVDC link using power-synchronization control [J].IEEE Transactions on Power Systems,2011,26(3):1326-1337.
[19] 常非,王一,王一振,等.基于模块化多电平变换器的高压直流输电故障特性与控制保护[J].高电压技术,2015,41(7):2428-2434.CHANG Fei,WANG Yi,WANG Yizhen,et al.Faults feature analysis and control protection strategies of modular multilevel converter based high voltage direct current [J].High Voltage Engineering,2015,41(7):2428-2434.
[20] 冯刚,刘明康,王栋.交直流混联电网与风电场适应性稳态分析研究[J].浙江电力,2015,34(6):16-19.FENG Gang,LIU Mingkang,WANG Dong.Steady-state analysis research on adaptability of AC/DC hybrid grid and wind farm [J].Zhejiang Electric Power,2015,34(6):16-19.
[2] 屠卿瑞,徐政.多端直流系统关键技术概述[J].华东电力,2009,37(2):268-271.TU Qingrui,XU Zheng.Outline of key technologies for multi-terminal DC systems [J].East China Electric Power,2009,37(2):268-271.
[3] 汤广福,贺之渊,腾乐天,等.电压源换流器高压直流输电技术最新研究进展[J].电网技术,2008,32(22):39-44,89.TANG Guangfu,HE Zhiyuan,TENG Letian,et al.New progress on HVDC technology based on voltage source converter [J].Power System Technology,2008,32(22):39-44,89.
[4] 李亚男,蒋维勇,余世峰,等.舟山多端柔性直流输电工程系统设计[J],高电压技术 2014,40(8):2490-2496.LI Yanan,JIANG Weiyong,YU Shifeng,et al.System design of Zhoushan multi-terminal VSC-HVDC transmission project [J].High voltage engineering,2014,40 (8):2490-2496.
[5] 常浩,厉璇,马玉龙,等.舟山多端柔性直流输电工程直流系统放电特性[J].高电压技术,2017,43(1):9-15 CHANG Hao,LI Xuan,MA Yulong,et al.Discharge characteristics of DC system in Zhoushan multi-terminal VSC-HVDC transmission project [J].High Voltage Engineering,2017,43 (1):9-15.
[6] 董云龙,包海龙,田杰,等.柔性直流输电控制及保护系统[J].电力系统自动化,2011,35(19):89-92.DONG Yunlong,BAO Hailong,TIAN Jie,et al.Control and protection system for VSC-HVDC [J].Automation of Electric Power Systems,2011,35(19):89-92.
[7] 董云龙,杨勇,田杰,等.基于模块化多电平换流器的柔性直流输电动态模拟系统[J].电力系统自动化,2014,38(11):74-78.DONG Yunlong,YANG Yong,TIAN Jie,et al.Dynamic simulation system for modular multilevel converter based VSC-HVDC [J].Automation of Electric Power Systems,2014,38(11):74-78.
[8] 孟新涵,李可军,王桌迪,等.混合型MMC拓扑及应用于MTDC直流故障穿越能力分析[J].电力系统自动化,2015,39(24):72-79.MENG Xinhan,LI Kejun,WANG Zhuodi,et al.A hybrid MMC topology and its DC fault ride-through capability analysis when applied to MTDC system [J].Automation of Electric Power Systems,2015,39(24):72-79.
[9] 汤广福,贺之渊,庞辉.柔性直流输电工程技术研究、应用及发展[J].电力系统自动化,2013,37(15):3-14.TANG Guangfu,HE Zhiyuan,PANG Hui.Research,application and development of VSC-HVDC engineering technology [J].Automation of Electric Power Systems,2013,37(15):3-14.
[10] 赵成勇,陈晓芳,曹春刚,等.模块化多电平换流器HVDC直流侧故障控制保护策略[J].电力系统自动化,2011,35(23):82-87.ZHAO Chengyong,CHEN Xiaofang,CAO Chungang,et al.Control and protection strategies for MMC-HVDC under DC faults [J].Automation of Electric Power Systems,2011,35(23):82-87.
[11] 姜崇学,卢宇,汪楠楠,等.柔性直流电网中行波保护分析及配合策略研究[J].供用电,2017,34(3):51-56 JIANG Chongxue,LU Yu,WANG Nannan,et al.Analysis of traveling wave protection and study on coordination strategy in flexible DC grid [J].Distribution & Utilization,2017,34(3):51-56.
[12] 胡兆庆,毛承雄,陆继明.适用于电压源型高压直流输电的控制策略 [J].电力系统自动化,2005,29(1):39-44.HU Zhaoqing,MAO Chengxiong,LU Jiming.A novel control strategy for voltage sourced converters based HVDC [J].Automation of Electric Power Systems,2005,29(1):39-44.
[13] 梁少华,田杰,曹冬明,等.柔性直流输电系统控制保护方案[J].电力系统及其自动化,2013,37(15):59-65.LIANG Shaohua,TIAN Jie,CAO Dongming,et al.A control and protection scheme for VSC-HVDC system [J].Automation of Electric Power Systems,2013,37(15):59-65.
[14] 胡兆庆,毛承雄,陆继明.新型多端高压直流传输系统应用及其控制.高电压技术,2004,30(11):31-33.HU Zhaoqing,MAO Chengxiong,LU Jiming.Application and control strategy of new multi-terminal HVDC system [J].High voltage Engineering,2004,30(11):31-33.
[15] 唐庚,徐政,薛英林,等.基于模块化多电平换流器的多端柔性直流输电控制系统设计[J].高电压技术,2013,39(1):2773-2782.TANG Geng,XU Zheng,XUE Yinglin,et al.Control design of multi-terminal HVDC based on modular multilevel converter [J].High Voltage Engineering,2013,39(1):2773-2782.
[16] ZHANG L,HARNEFORS L,NEE H.Interconnection of two very weak AC systems by VSC-HVDC links using power synchronization control [J].IEEE Transactions on Power Systems,2011,26(1):344-355.
[17] ZHANG L,HARNEFORS L,NEE H P.Modeling and control of VSC-HVDC links connected to island systems [J].IEEE Transactions on Power Systems,2011,26(2):783-793.
[18] ZHANG L,NEE H P,HARNEFORS L.Analysis of stability limitations of a VSC-HVDC link using power-synchronization control [J].IEEE Transactions on Power Systems,2011,26(3):1326-1337.
[19] 常非,王一,王一振,等.基于模块化多电平变换器的高压直流输电故障特性与控制保护[J].高电压技术,2015,41(7):2428-2434.CHANG Fei,WANG Yi,WANG Yizhen,et al.Faults feature analysis and control protection strategies of modular multilevel converter based high voltage direct current [J].High Voltage Engineering,2015,41(7):2428-2434.
[20] 冯刚,刘明康,王栋.交直流混联电网与风电场适应性稳态分析研究[J].浙江电力,2015,34(6):16-19.FENG Gang,LIU Mingkang,WANG Dong.Steady-state analysis research on adaptability of AC/DC hybrid grid and wind farm [J].Zhejiang Electric Power,2015,34(6):16-19.