基于真空断路器与SF_6断路器串联的新型混合式高压直流断路器理论分析
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摘要
提出基于真空断路器与SF_6断路器串联的混合式高压直流断路器新型拓扑结构,在传统强迫过零直流开断的基础上,提出以高压串联晶闸管组件续流支路创造主开关电压零休的思路,进而提高主开关的动态介质恢复强度。分析了新型混合式高压直流断路器的拓扑结构、工作原理、工作过程,得到其电压零休时间的数学描述和动态电压分布协同调控措施。然后基于连续过渡模型和改进Mayr模型搭建了新型混合式高压直流断路器的仿真电路,分析得到续流支路限流电阻、电感、振荡回路参数等对电压零休时间、反向暂态恢复电压的影响规律。
A novel hybrid HVDC CB(Circuit Breaker) based on VI(Vacuum Interrupter) and GI(SF_6 Interrupter) connected in series is proposed. Based on the DC interruption through traditional artificial current zero method,the idea of creating the zero-voltage for the main mechanical switch by using the continuous branch of high voltage thyristor module and current limiting element is put forward to improve the DDRS(Dynamic Dielectric Recovery Strength). The topological structure,working principle and working process of the hybrid HVDC CB are analyzed,based on which,the mathematic description of the zero-voltage time and the coordinated control measures of the dynamic voltage distribution are obtained. The simulation circuit of the novel HVDC CB is built according to the continuous transition model and the improved Mayr arc model. The influences of the current-limiting resistance and inductance of the follow-current loop and parameters of the oscillation circuit on zero-voltage time and the inverted transient recovery voltage is gained.
A novel hybrid HVDC CB(Circuit Breaker) based on VI(Vacuum Interrupter) and GI(SF_6 Interrupter) connected in series is proposed. Based on the DC interruption through traditional artificial current zero method,the idea of creating the zero-voltage for the main mechanical switch by using the continuous branch of high voltage thyristor module and current limiting element is put forward to improve the DDRS(Dynamic Dielectric Recovery Strength). The topological structure,working principle and working process of the hybrid HVDC CB are analyzed,based on which,the mathematic description of the zero-voltage time and the coordinated control measures of the dynamic voltage distribution are obtained. The simulation circuit of the novel HVDC CB is built according to the continuous transition model and the improved Mayr arc model. The influences of the current-limiting resistance and inductance of the follow-current loop and parameters of the oscillation circuit on zero-voltage time and the inverted transient recovery voltage is gained.
引文
[1] 汤广福,庞辉,贺之渊.先进交直流输电技术在中国的发展与应用[J].中国电机工程学报,2016,36(7):1760-1771.TANG Guangfu,PANG Hui,HE Zhiyuan.R&D and application of advanced power transmission technology in China[J].Proceedings of the CSEE,2016,36(7):1760-1771.
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[8] 邹积岩,刘晓明,于德恩.基于智能模块的高压直流真空断路器研究[J].电工技术学报,2015,30(13):47-55.ZOU Jiyan,LIU Xiaoming,YU De’en.Investigations on the HVDC vacuum circuit breaker based on intelligent models[J].Tran-sactions of China Electrotechnical Society,2015,30(13):47-55.
[9] DETHLEFSEN R.Hybrid circuit breaker with varistor in parallel with vacuum interrupter:4204101[P].1980-05-20.
[10] PERRET M,DUFOURNET D.High-voltage interrupter device having combined vacuum and gas interruption:US,6593538[P].2003-07-15.
[11] SMEETS R,KERTESZ V,DUFOURNET D,et al.Interaction of a vacuum arc with an SF6 arc in a hybrid circuit breaker during high-current interruption[J].IEEE Transactions on Plasma Science,2007,35(4):933-938.
[12] SENDA T,TAMAGAWA T,HIGUCHI K,et al.Development of HVDC circuit breaker based on hybrid interruption scheme[J].IEEE Transactions on Power Apparatus & Systems,1984,PAS-103(3):545-52.
[13] GE Guowei,LIAO Minfu,DUAN Xiongying,et al.HVDC hybrid circuit breaker based on SF6 interrupter and vacuum interrupter in series[C]//IEEE Electric Power Equipment-Switching Technology.Matsue,Japan:IEEE,2013:1-4.
[14] 程显,廖敏夫,段雄英,等.基于真空灭弧室SF6灭弧室串联的混合断路器动态介质恢复特性研究[J].电力自动化设备,2012,32(5):68-73.CHENG Xian,LIAO Minfu,DUAN Xiongying,et al.Dynamic dielectric recovery characteristics of hybrid circuit breaker based on vacuum interrupter and SF6 interrupter in series[J].Electric Power Automation Equipment,2012,32(5):68-73.
[15] 程显,陈占清,何周,等.真空开关低分散性永磁操动机构控制系统设计[J].郑州大学学报(工学版),2017,38(3):58-62.CHENG Xian,CHEN Zhanqing,HE Zhou,et al.Design of the low-dispersion control system for the permanent magnetic actuator of vacuum switch[J].Journal of Zhengzhou University(Engineering Science),2017,38(3):58-62.
[16] CIGRE JWG A3/B4-34.Technical requirements and specifications of state of the art HVDC switching equipment[R].[S.l.]:CIGRE JWG A3/B4-34,2017.
[17] 葛国伟,廖敏夫,黄金强,等.双断口真空断路器配合特性仿真与试验[J].电工技术学报,2016,31(22):57-65.GE Guowei,LIAO Minfu,HUANG Jinqiang,et al.Simulation and experimental of matching characteristics of vacuum circuit breakers with double-break[J].Transactions of China Electrotechnical So-ciety,2016,31(22):57-65.
[18] 程显.混合断路器相关理论与实验研究[D].大连:大连理工大学,2012.CHENG Xian.Relevant theory and experimental investigation on hybrid circuit breaker[D].Dalian:Dalian University of Technology,2012.
[2] 孙鹏飞,贺春光,邵华,等.直流配电网研究现状与发展[J].电力自动化设备,2016,36(6):64-73.SUN Pengfei,HE Chunguang,SHAO Hua,et al.Research status and development of DC distribution network[J].Electric Power Automation Equipment,2016,36(6):64-73.
[3] CALLAVIK M,BLOMBERG A,HAFNER J,et al.The hybrid HVDC breaker an innovation breakthrough enabling reliable HVDC grids[R].[S.l.]:ABB,2012.
[4] GRIESHABER W,DUPRAZ J P,PENACHE D L,et al.Development and test of a 120 kV direct current circuit breaker[C]//CIGRE 2014.Paris,France:CIGRE,2014:24-29.
[5] 魏晓光,高冲,罗湘,等.柔性直流输电网用新型高压直流断路器设计方案[J].电力系统自动化,2013,37(15):95-102.WEI Xiaoguang,GAO Chong,LUO Xiang,et al.A novel design of high-voltage DC circuit breaker in HVDC flexible transmission grid[J].Automation of Electric Power Systems,2013,37(15):95-102.
[6] TAHATA K,OUKAILI S E,KAMEI K,et al.HVDC circuit brea-kers for HVDC grid applications[C]//IET International Conference on AC and DC Power Transmission.Birmingham,UK:IET,2015:1-9.
[7] ZHANG Y,SHI Z,WANG Q,et al.Experimental investigation on HVDC vacuum circuit breaker based on artificial current zero[C]//International Symposium on Discharges and Electrical Insulation in Vacuum.Suzhou,China:IEEE,2016:1-4.
[8] 邹积岩,刘晓明,于德恩.基于智能模块的高压直流真空断路器研究[J].电工技术学报,2015,30(13):47-55.ZOU Jiyan,LIU Xiaoming,YU De’en.Investigations on the HVDC vacuum circuit breaker based on intelligent models[J].Tran-sactions of China Electrotechnical Society,2015,30(13):47-55.
[9] DETHLEFSEN R.Hybrid circuit breaker with varistor in parallel with vacuum interrupter:4204101[P].1980-05-20.
[10] PERRET M,DUFOURNET D.High-voltage interrupter device having combined vacuum and gas interruption:US,6593538[P].2003-07-15.
[11] SMEETS R,KERTESZ V,DUFOURNET D,et al.Interaction of a vacuum arc with an SF6 arc in a hybrid circuit breaker during high-current interruption[J].IEEE Transactions on Plasma Science,2007,35(4):933-938.
[12] SENDA T,TAMAGAWA T,HIGUCHI K,et al.Development of HVDC circuit breaker based on hybrid interruption scheme[J].IEEE Transactions on Power Apparatus & Systems,1984,PAS-103(3):545-52.
[13] GE Guowei,LIAO Minfu,DUAN Xiongying,et al.HVDC hybrid circuit breaker based on SF6 interrupter and vacuum interrupter in series[C]//IEEE Electric Power Equipment-Switching Technology.Matsue,Japan:IEEE,2013:1-4.
[14] 程显,廖敏夫,段雄英,等.基于真空灭弧室SF6灭弧室串联的混合断路器动态介质恢复特性研究[J].电力自动化设备,2012,32(5):68-73.CHENG Xian,LIAO Minfu,DUAN Xiongying,et al.Dynamic dielectric recovery characteristics of hybrid circuit breaker based on vacuum interrupter and SF6 interrupter in series[J].Electric Power Automation Equipment,2012,32(5):68-73.
[15] 程显,陈占清,何周,等.真空开关低分散性永磁操动机构控制系统设计[J].郑州大学学报(工学版),2017,38(3):58-62.CHENG Xian,CHEN Zhanqing,HE Zhou,et al.Design of the low-dispersion control system for the permanent magnetic actuator of vacuum switch[J].Journal of Zhengzhou University(Engineering Science),2017,38(3):58-62.
[16] CIGRE JWG A3/B4-34.Technical requirements and specifications of state of the art HVDC switching equipment[R].[S.l.]:CIGRE JWG A3/B4-34,2017.
[17] 葛国伟,廖敏夫,黄金强,等.双断口真空断路器配合特性仿真与试验[J].电工技术学报,2016,31(22):57-65.GE Guowei,LIAO Minfu,HUANG Jinqiang,et al.Simulation and experimental of matching characteristics of vacuum circuit breakers with double-break[J].Transactions of China Electrotechnical So-ciety,2016,31(22):57-65.
[18] 程显.混合断路器相关理论与实验研究[D].大连:大连理工大学,2012.CHENG Xian.Relevant theory and experimental investigation on hybrid circuit breaker[D].Dalian:Dalian University of Technology,2012.