3/2接线方式变电站中抑制VFTO磁环的推荐安装位置
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摘要
铁氧体磁环作为一种结构紧凑、成本较低的新型VFTO抑制手段受到关注,但现有研究结果尚不足以支撑其进入工程应用。文中针对磁环的应用场合与安装位置展开研究;研究了VFTO幅值与回路负反射系数的关系;定量分析GIS回路中不同部件和结构的负反射系数;明确了3/2接线方式变电站中可能产生高幅值VFTO的一种结构和操作方式:即构成双端开路对称T形结构。研究发现磁环的主要适用场合为抑制双端开路对称T形结构,给出了磁环的推荐安装位置。且针对磁环抑制特高压GIS中VFTO的应用方式、抑制效果和仿真方法也进行了一定的研究。
The ferrite ring, as a potential new mitigation method, is of interest to UHV grid operators for its simple structure and competitive cost. However, the current knowledge of the new method is far from mature for practical application. This dissertation conducted researches on the application conditions and installation location of ferrite rings. The relationship between the VFTO amplitude and negative reflection coefficient of the circuit is studied,and the negative reflection coefficient of different components and structures in the GIS circuit is quantitatively analyzed, a structure in 3/2 wiring-mode substation and operation mode which may produce high-amplitude VFTO is clarified, i.e.: symmetrical T-shaped structure constituting both-side open circuit. It is found that the main application of the ferrite ring is to suppress the symmetrical T-shaped structure of both-side open circuit, and recommended mounting position of the ferrite ring is given.
The ferrite ring, as a potential new mitigation method, is of interest to UHV grid operators for its simple structure and competitive cost. However, the current knowledge of the new method is far from mature for practical application. This dissertation conducted researches on the application conditions and installation location of ferrite rings. The relationship between the VFTO amplitude and negative reflection coefficient of the circuit is studied,and the negative reflection coefficient of different components and structures in the GIS circuit is quantitatively analyzed, a structure in 3/2 wiring-mode substation and operation mode which may produce high-amplitude VFTO is clarified, i.e.: symmetrical T-shaped structure constituting both-side open circuit. It is found that the main application of the ferrite ring is to suppress the symmetrical T-shaped structure of both-side open circuit, and recommended mounting position of the ferrite ring is given.
引文
[1] Working Group 33/13-09. Very fast transient phenomena associated with gas insulated substations[C]//CIGRE. Paris,France:CIGRE, 1988:33-46.
[2] LEWIS J,PRYOR B M JONES C J, et al. Disconnecter operations in gas insulated substation overvoltage studies and tests associated with a 420 kV insta Ilation[R]. Paris,France:CIGRE, 988.
[3] MEPPELINK J, DIEDERICH K, FESER K, et al. Very fast transients in GIS[J]. IEEE Transactions on Power Delivery,1989,4(1):223-233.
[4]王建生.GIS中隔离开关开合小电容电流时产生的VFTO[J].高压电器,1992,35(2):22.WANG Jiansheng. VFTO during small capacitive current switching by disconnector in GIS[J]. High Voltage Apparatus, 1992,35(2):22.
[5]吉嘉琴.GIS中的VFTO过电压分析[J].清华大学学报,1994,34(1):73-82.JI Jiaqin. Analysis of very fast transient overvoltage in GIS[J]. Journal of Tsinghua University, 1994,34(1):73-82.
[6]尹晓芳,于力,刘广维.封闭式组合电器隔离开关产生的过电压[J].中国电机工程学报,2002,22(7):111-114.YIN Xiaofang,YU Li,LIU Guangwei. Overvoltage from gas insulated switchgear disconnector[J]. Proceedings of the CSEE,2002,22(7):111-114.
[7]中村秋夫,冈本浩,曹祥麟.东京电力公司的特高压输电技术应用现状[J].电网技术,2005,29(6):1-5.AKIO N,HIROSHI O,CAO Xianglin. Introduction to 1100 kV transmission technologies conducted by Tokyo electric power company[J]. Power System Technology, 2005,29(6):1-5.
[8] YAMAGATA Y,NAKADA Y. Very fast transients in 1 000 kV gas insulated switchgear[C]//1999 IEEE Transmission and Distribution Conference.[S.l.]:IEEE, 1999:501-508.
[9]谷定變,修木洪,戴敏,等.1000 kV GIS变电所VFTO特性研究[J].高电压技术,2007,33(11):27-32.GU Dingxie,XIU Muhong,DAI Min,et al. Study on VFTO of 1 000 kV GIS substation[J]. High Voltage Engineering,2007 33(11):27-32.
[10]班连庚,项祖涛,王晓刚,等.中国1000 kV特高压GIS变电站的快速暂态过电压研究[C]//特高压输电技术国际会议论文集.北京:国家电网公司,2006:201.BAN Liangeng, XIANG Zutao,WANG Xiaogang,et al. Research on VFTO of China 1 000 kV UHV GIS substation[C]//International Conference of UHV Transmission Techno logy. Beijing:State Grid Corporation of China,2006:201.
[11] BAN L G,XIANG Z T,WANG S,et al. Estimation of VFTO for GIS and HGIS of China 1 000 kV UHV pilot project and its suppressing countermea sures[C]//IEC/CIGRE UHV symposium. Beijing,China:[s.n.],2007:18-21.
[12]项祖涛,丁扬,班连庚,等.采用投切电阻抑制特高压GIS中特快速暂态过电压[J].中国电力,2007,40(12):31-35.XIANG Zutao,DING Yang,BAN Liangeng,et al. Suppressing VFTO in UHV GIS with switching resistor[J]. Electric Power,2007,40(12):31-35.
[13] YAMAGATA Y, TANAKA K,NISHIWAKI S, et al.Suppression of VFT in 1 100 kV GIS by adopting resistorfitted disconnector[C]//IEEE/PES Summer Meeting 95 SM.[S.l.]:IEEE, 1995:534-539.
[14]谷定燮.取消500 kV断路器合闸电阻有关问题的研究[J].中国电力,1996,29(6):28-31.GU Dingxie. Problems related to elimination of pre-insert resistance of 500 kV circuit breaker[J]. Electric Power,1996,29(6):28-31.
[15]刘卫东,金立军,钱家骊,等.铁氧体磁环抑制GIS的VFTO的可能性[J].中国电工技术学报,2002,17(4):22-25.LIU Weidong, JIN Lijun, QIAN Jiali, et al. Possibility of suppressing VFTO in GIS by ferrite rings[J]. Transactions of China Electrotechnical Society,2002,17(4):22-25.
[16]金立军,刘卫东,钱家骊.铁氧体磁环抑制GIS特快速暂态过电压的研究[J].高电压技术,2002,28(7):1-3.JIN Lijun, LIU Weidong, QIAN Jiali. Research on the suppressing VFTO in GIS by ferrite rings[J]. High Voltage Engineering,2002 28(7):1-3.
[17]项祖涛,刘卫东,钱家骊,等.用磁环抑制GIS的VFTO的高电压模拟试验[J].中国电工技术学报,2004,19(7):1-3.XIANG Zutao,LIU Weidong,QIAN Jiali, et al. High voltage simulation tests of suppressing VFTO in GIS by magnetic rings[J].Transactions of China Electrotechnical Society,2004,19(7):1-3.
[18]项祖涛,刘卫东,钱家骊,等.磁环抑制GIS中特快速暂态过电压的模拟试验和仿真[J].中国电机工程学报,2005,25(19):101-105.XIANG Zutao,LIU Weidong,QIAN Jiali, et al. Simulation test and computation of suppressing VFTO in GIS by magnetic rings[J]. Proceeding of the CSEE, 2005, 25(19):101-105.
[19]关永刚,张猛,岳功昌,等.磁环抑制特高压GIS设备中特快速暂态过电压的模拟试验[J].高电压技术,2011,37(3):651-657.GUAN Yonggang, ZHANG Meng, YUE Gongchang, et al.Simulation test on suppressing VFTO in UHV GIS with magnetic rings[J]. High Voltage Engineering, 2011,37(3):651-657.
[20] GUAN Y G, YUE G C, CHEN W J, et al. Experimental research on suppressing VFTO in GIS by magnetic rings[J].IEEE Transactions on Power Delivery, 2012,28(4):2558-2565.
[21] CIGRE W G. Guidelines for representation of network elements when calculating transients[H]. Paris:CIGRE Technical Brochure, 1990.
[22] HAZNADAR Z,CARSIMAMOVIC S,MAHMUTCEHAJIC R.More accurate modeling of gas insulated substation components in digital simulations of very fast electromagnetic transients[C]//IEEE Power Industry Computer ApplicationConference.[S.l.]:IEEE, 1991:434-441.
[23]邹军,顿月芹.采用高斯脉冲函数计算电路的冲激响应[J].电气电子教学学报,2010,32(1):15-17.ZOU Jun, DUN Yueqin. Simulating circuit impulse response with gaussian excitation function[J]. Journal of Electrical&Electronic Education,2010,32(1):15-17.
[24] HE J X, GUAN Y G, CHEN W J, et al. Experimental research and simulation on VFTO mitigation by ferrite rings in UHV GIS[J]. IEEE Transactions on Power Delivery,2015,30(2):940-948.
[2] LEWIS J,PRYOR B M JONES C J, et al. Disconnecter operations in gas insulated substation overvoltage studies and tests associated with a 420 kV insta Ilation[R]. Paris,France:CIGRE, 988.
[3] MEPPELINK J, DIEDERICH K, FESER K, et al. Very fast transients in GIS[J]. IEEE Transactions on Power Delivery,1989,4(1):223-233.
[4]王建生.GIS中隔离开关开合小电容电流时产生的VFTO[J].高压电器,1992,35(2):22.WANG Jiansheng. VFTO during small capacitive current switching by disconnector in GIS[J]. High Voltage Apparatus, 1992,35(2):22.
[5]吉嘉琴.GIS中的VFTO过电压分析[J].清华大学学报,1994,34(1):73-82.JI Jiaqin. Analysis of very fast transient overvoltage in GIS[J]. Journal of Tsinghua University, 1994,34(1):73-82.
[6]尹晓芳,于力,刘广维.封闭式组合电器隔离开关产生的过电压[J].中国电机工程学报,2002,22(7):111-114.YIN Xiaofang,YU Li,LIU Guangwei. Overvoltage from gas insulated switchgear disconnector[J]. Proceedings of the CSEE,2002,22(7):111-114.
[7]中村秋夫,冈本浩,曹祥麟.东京电力公司的特高压输电技术应用现状[J].电网技术,2005,29(6):1-5.AKIO N,HIROSHI O,CAO Xianglin. Introduction to 1100 kV transmission technologies conducted by Tokyo electric power company[J]. Power System Technology, 2005,29(6):1-5.
[8] YAMAGATA Y,NAKADA Y. Very fast transients in 1 000 kV gas insulated switchgear[C]//1999 IEEE Transmission and Distribution Conference.[S.l.]:IEEE, 1999:501-508.
[9]谷定變,修木洪,戴敏,等.1000 kV GIS变电所VFTO特性研究[J].高电压技术,2007,33(11):27-32.GU Dingxie,XIU Muhong,DAI Min,et al. Study on VFTO of 1 000 kV GIS substation[J]. High Voltage Engineering,2007 33(11):27-32.
[10]班连庚,项祖涛,王晓刚,等.中国1000 kV特高压GIS变电站的快速暂态过电压研究[C]//特高压输电技术国际会议论文集.北京:国家电网公司,2006:201.BAN Liangeng, XIANG Zutao,WANG Xiaogang,et al. Research on VFTO of China 1 000 kV UHV GIS substation[C]//International Conference of UHV Transmission Techno logy. Beijing:State Grid Corporation of China,2006:201.
[11] BAN L G,XIANG Z T,WANG S,et al. Estimation of VFTO for GIS and HGIS of China 1 000 kV UHV pilot project and its suppressing countermea sures[C]//IEC/CIGRE UHV symposium. Beijing,China:[s.n.],2007:18-21.
[12]项祖涛,丁扬,班连庚,等.采用投切电阻抑制特高压GIS中特快速暂态过电压[J].中国电力,2007,40(12):31-35.XIANG Zutao,DING Yang,BAN Liangeng,et al. Suppressing VFTO in UHV GIS with switching resistor[J]. Electric Power,2007,40(12):31-35.
[13] YAMAGATA Y, TANAKA K,NISHIWAKI S, et al.Suppression of VFT in 1 100 kV GIS by adopting resistorfitted disconnector[C]//IEEE/PES Summer Meeting 95 SM.[S.l.]:IEEE, 1995:534-539.
[14]谷定燮.取消500 kV断路器合闸电阻有关问题的研究[J].中国电力,1996,29(6):28-31.GU Dingxie. Problems related to elimination of pre-insert resistance of 500 kV circuit breaker[J]. Electric Power,1996,29(6):28-31.
[15]刘卫东,金立军,钱家骊,等.铁氧体磁环抑制GIS的VFTO的可能性[J].中国电工技术学报,2002,17(4):22-25.LIU Weidong, JIN Lijun, QIAN Jiali, et al. Possibility of suppressing VFTO in GIS by ferrite rings[J]. Transactions of China Electrotechnical Society,2002,17(4):22-25.
[16]金立军,刘卫东,钱家骊.铁氧体磁环抑制GIS特快速暂态过电压的研究[J].高电压技术,2002,28(7):1-3.JIN Lijun, LIU Weidong, QIAN Jiali. Research on the suppressing VFTO in GIS by ferrite rings[J]. High Voltage Engineering,2002 28(7):1-3.
[17]项祖涛,刘卫东,钱家骊,等.用磁环抑制GIS的VFTO的高电压模拟试验[J].中国电工技术学报,2004,19(7):1-3.XIANG Zutao,LIU Weidong,QIAN Jiali, et al. High voltage simulation tests of suppressing VFTO in GIS by magnetic rings[J].Transactions of China Electrotechnical Society,2004,19(7):1-3.
[18]项祖涛,刘卫东,钱家骊,等.磁环抑制GIS中特快速暂态过电压的模拟试验和仿真[J].中国电机工程学报,2005,25(19):101-105.XIANG Zutao,LIU Weidong,QIAN Jiali, et al. Simulation test and computation of suppressing VFTO in GIS by magnetic rings[J]. Proceeding of the CSEE, 2005, 25(19):101-105.
[19]关永刚,张猛,岳功昌,等.磁环抑制特高压GIS设备中特快速暂态过电压的模拟试验[J].高电压技术,2011,37(3):651-657.GUAN Yonggang, ZHANG Meng, YUE Gongchang, et al.Simulation test on suppressing VFTO in UHV GIS with magnetic rings[J]. High Voltage Engineering, 2011,37(3):651-657.
[20] GUAN Y G, YUE G C, CHEN W J, et al. Experimental research on suppressing VFTO in GIS by magnetic rings[J].IEEE Transactions on Power Delivery, 2012,28(4):2558-2565.
[21] CIGRE W G. Guidelines for representation of network elements when calculating transients[H]. Paris:CIGRE Technical Brochure, 1990.
[22] HAZNADAR Z,CARSIMAMOVIC S,MAHMUTCEHAJIC R.More accurate modeling of gas insulated substation components in digital simulations of very fast electromagnetic transients[C]//IEEE Power Industry Computer ApplicationConference.[S.l.]:IEEE, 1991:434-441.
[23]邹军,顿月芹.采用高斯脉冲函数计算电路的冲激响应[J].电气电子教学学报,2010,32(1):15-17.ZOU Jun, DUN Yueqin. Simulating circuit impulse response with gaussian excitation function[J]. Journal of Electrical&Electronic Education,2010,32(1):15-17.
[24] HE J X, GUAN Y G, CHEN W J, et al. Experimental research and simulation on VFTO mitigation by ferrite rings in UHV GIS[J]. IEEE Transactions on Power Delivery,2015,30(2):940-948.
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