故障后半波长输电线路的稳态过电压控制措施
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摘要
半波长输电技术是一项具有前瞻性和竞争力的新型输电技术。特高压半波长输电线路稳态工频过电压问题严重,须制定相关的故障后安全稳定控制措施。该文提出了通过切除送端配套机组、线路末端投并联无功补偿设备、快速直流调制等控制措施抑制半波长输电线路稳态工频过电压,同时给出了相关理论分析,并通过大电网仿真算例验证了控制措施的有效性。该文研究成果进一步丰富和完善了对特高压半波长输电线路接入系统后控制特性的认识,将为大电网新型输电技术提供理论储备和技术保障。
Half wavelength AC transmission technology is a forward-looking and competitive newtransmission technology. The steady-state overvoltage of ultra-high-voltage (UHV) half wavelength transmission lines is serious. It is necessary to focus on the stability control measures after fault. In this paper,the control measures is put forward,such as reducing power generation at the sending terminal,applying shunt reactive power compensation at the end of the line,and fast modulating direct current power. The relevant theoretical analysis is given,and the effectiveness of the control measures is verified by the large power grid simulation. The characteristic of UHV half wavelength transmission system is enriched and the theoretical and technical support is provided for the future newtransmission technology by the paper research.
Half wavelength AC transmission technology is a forward-looking and competitive newtransmission technology. The steady-state overvoltage of ultra-high-voltage (UHV) half wavelength transmission lines is serious. It is necessary to focus on the stability control measures after fault. In this paper,the control measures is put forward,such as reducing power generation at the sending terminal,applying shunt reactive power compensation at the end of the line,and fast modulating direct current power. The relevant theoretical analysis is given,and the effectiveness of the control measures is verified by the large power grid simulation. The characteristic of UHV half wavelength transmission system is enriched and the theoretical and technical support is provided for the future newtransmission technology by the paper research.
引文
[1]梁旭明.半波长交流输电技术研究及应用展望[J].智能电网,2015,3(12):1091-1096.LIANG Xuming.Technology research and application prospect of half-w avelength alternating current transmission[J].Smart Grid,2015,3(12):1091-1096.
[2]HUBERT J F,GENT R.Half-wavelength power transmission lines[J].IEEE Transactions on Power Apparatus Systems,1965,84(1):965-974.
[3]PRABHAKARA F S,PARTHASARATHY K,RAMACHANDRA RH N.Analysis of natural half-w ave-length pow er transmission lines[J].IEEE Transactions on Power Apparatus and Systems,1969,88(12):1787-1794.
[4]PRABHAKARA F S,PARTHASARATHY K,RAMACHANDRA RH N.Performance of tuned half-w ave-length pow er transmission lines[J].IEEE Transactions on Pow er Apparatus and Systems,1969,88(12):1795-1802.
[5]ILICETO F,CINIERI E.Analysis of half-wave length transmission lines w ith simulation of corona losses[J].IEEE Transactions on Pow er Delivery,1988,3(4):2081-2091.
[6]王冠,吕鑫昌,孙秋芹,等.半波长交流输电技术的研究现状与展望[J].电力系统自动化,2010,34(16):13-18.WANG Guan,LXinchang,SUN Qiuqin et al.Status quo and prospects of half-w avelength transmission technology[J].Automation of Electric Pow er Systems,2010,34(16):13-18.
[7]秦晓辉,张志强,徐征雄,等.基于准稳态模型的特高压半波长交流输电系统稳态特性与暂态稳定研究[J].中国电机工程学报,2011,31(11):66-76.QIN Xiaohui,ZHANG Zhiqiang,XU Zhengxiong,et al.Study on the steady state characteristic and transient stability of UHV AC halfw ave-length transmission system based on quasi-steady model[J].Proceedings of the CSEE,2011,31(11):66-76.
[8]张志强,秦晓辉,王皓怀,等.特高压半波长交流输电线路稳态电压特性[J].电网技术,2011,35(9):33-36.ZHANG Zhiqiang,QIN Xiaohui,WANG Haohuai,et al.Steady state voltage characteristic of UHV half-w avelength AC transmission line[J].Pow er System Technology,2011,35(9):33-36.
[9]王玲桃,崔翔.特高压半波长交流输电线路稳态特性研究[J].电网技术,2011,35(9):7-12.WANG Lingtao,CUI Xiang.Research on steady-state operation characteristics of UHV half-w avelength AC pow er transmission line[J].Power System Technology,2011,35(9):7-12.
[10]周静姝,马进,徐昊,等.特高压半波长交流输电系统稳态及暂态运行特性[J].电网技术,2011,35(9):28-32.ZHOU Jingshu,M A Jin,XU Hao,et al.Steady state and transient operational characteristics of UHV half-w avelength AC transmission system[J].Pow er System Technology,2011,35(9):28-32.
[11]梁涵卿,万磊.半波长交流输电点对网双落点系统的穿越功率特性[J].中国电机工程学报,2017,37(18):5331-5338,5532.LIANG Hanqing,WAN Lei.Research on cross pow er characteristics of the half-w avelength AC transmission in the system of single point connected to tw o terminals.[J].Proceedings of the CSEE,2017,37(18):5331-5338,5532.
[12]赵倩宇,王守相,秦晓辉,等.基于稳态特性的特高压半波长与直流混联系统电压无功控制[J].电力系统自动化,2017,41(22):26-32,47.ZHAO Qianyu,WANG Shouxiang,QIN Xiaohui,et al.Voltage and reactive pow er control of ultra-high voltage half-w avelength and DC hybrid system based on steady state characteristic.[J].Automation of Electric Pow er Systems,2017,41(22):26-32,47.
[13]张志强,秦晓辉,徐征雄,等.特高压半波长交流输电技术在我国新疆地区电源送出规划中的暂态稳定性研究[J].电网技术,2011,35(9):42-45.ZHANG Zhiqiang,QIN Xiaohui,XU Zhengxiong,et al.Research on transient stability of UHV half-w avelength AC transmission in the plan of sending out electric pow er from Xinjiang region[J].Pow er System Technology,2011,35(9):42-45.
[14]师伟,孙秋芹,李庆民,等.半波长输电线路故障暂态过电压特性研究[J].电网技术,2012,36(2):43-47.SHI Wei,SUN Qiuqin,LI Qingmin,et al.Research on characteristics of transient overvoltages caused by faults occurred in half-w ave length AC transmission lines[J].Pow er System Technology,2012,36(2):43-47.
[15]娄颖,周沛洪,修木洪,等.特高压半波长交流输电线路电磁暂态仿真[J].高电压技术,2012,38(6):1459-1465.LOU Ying,ZHOU Peihong,XIU M uhong,et al.Electromagnetic transient simulation of UHV half w avelength AC transmission line[J].High Voltage Engineering,2012,38(6):1459-1465.
[16]韩彬,林集明,班连庚,等.特高压半波长交流输电系统电磁暂态特性分析[J].电网技术,2011,35(9):22-27.HAN Bin,LIN Jiming,BAN Liangeng,et al.Analysis on electromagnetic transient characteristics of UHV half-w avelength ACtransmission system[J].Pow er System Technology,2011,35(9):22-27.
[17]王安斯,任大伟,汤涌,等.特高压半波长线路输电能力与暂态稳定影响因素[J].电网技术,2017,41(10):3168-3173.WANG Ansi,REN Daw ei,TANG Yong,et al.Pow er transmission capability and transient stability influence factors of UHV half-w avelength transmission line[J].Pow er System Technology,2017,41(10):3168-3173.
[18]张启平,李晨光,万磊.半波长交流输电线路三相短路谐振点研究[J].电网技术,2017,41(9):2743-2751.ZHANG Qiping,LI Chenguang,WAN Lei.Research on resonance point of three-phase short circuit fault on half-w avelength ACtransmission lines[J].Pow er System Technology,2017,41(9):2743-2751
[19]梁旭明,薛更新,郄鑫,等.半波长交流输电真型线路初步试验方案[J].电力建设,2016,37(2):85-90.LIANG Xuming,XUE Gengxin,QIE Xin,et al.Preliminary experimental scheme of half w avelength ac pow er transmission in real line[J].Electric Pow er Construction,2016,37(2):85-90.
[2]HUBERT J F,GENT R.Half-wavelength power transmission lines[J].IEEE Transactions on Power Apparatus Systems,1965,84(1):965-974.
[3]PRABHAKARA F S,PARTHASARATHY K,RAMACHANDRA RH N.Analysis of natural half-w ave-length pow er transmission lines[J].IEEE Transactions on Power Apparatus and Systems,1969,88(12):1787-1794.
[4]PRABHAKARA F S,PARTHASARATHY K,RAMACHANDRA RH N.Performance of tuned half-w ave-length pow er transmission lines[J].IEEE Transactions on Pow er Apparatus and Systems,1969,88(12):1795-1802.
[5]ILICETO F,CINIERI E.Analysis of half-wave length transmission lines w ith simulation of corona losses[J].IEEE Transactions on Pow er Delivery,1988,3(4):2081-2091.
[6]王冠,吕鑫昌,孙秋芹,等.半波长交流输电技术的研究现状与展望[J].电力系统自动化,2010,34(16):13-18.WANG Guan,LXinchang,SUN Qiuqin et al.Status quo and prospects of half-w avelength transmission technology[J].Automation of Electric Pow er Systems,2010,34(16):13-18.
[7]秦晓辉,张志强,徐征雄,等.基于准稳态模型的特高压半波长交流输电系统稳态特性与暂态稳定研究[J].中国电机工程学报,2011,31(11):66-76.QIN Xiaohui,ZHANG Zhiqiang,XU Zhengxiong,et al.Study on the steady state characteristic and transient stability of UHV AC halfw ave-length transmission system based on quasi-steady model[J].Proceedings of the CSEE,2011,31(11):66-76.
[8]张志强,秦晓辉,王皓怀,等.特高压半波长交流输电线路稳态电压特性[J].电网技术,2011,35(9):33-36.ZHANG Zhiqiang,QIN Xiaohui,WANG Haohuai,et al.Steady state voltage characteristic of UHV half-w avelength AC transmission line[J].Pow er System Technology,2011,35(9):33-36.
[9]王玲桃,崔翔.特高压半波长交流输电线路稳态特性研究[J].电网技术,2011,35(9):7-12.WANG Lingtao,CUI Xiang.Research on steady-state operation characteristics of UHV half-w avelength AC pow er transmission line[J].Power System Technology,2011,35(9):7-12.
[10]周静姝,马进,徐昊,等.特高压半波长交流输电系统稳态及暂态运行特性[J].电网技术,2011,35(9):28-32.ZHOU Jingshu,M A Jin,XU Hao,et al.Steady state and transient operational characteristics of UHV half-w avelength AC transmission system[J].Pow er System Technology,2011,35(9):28-32.
[11]梁涵卿,万磊.半波长交流输电点对网双落点系统的穿越功率特性[J].中国电机工程学报,2017,37(18):5331-5338,5532.LIANG Hanqing,WAN Lei.Research on cross pow er characteristics of the half-w avelength AC transmission in the system of single point connected to tw o terminals.[J].Proceedings of the CSEE,2017,37(18):5331-5338,5532.
[12]赵倩宇,王守相,秦晓辉,等.基于稳态特性的特高压半波长与直流混联系统电压无功控制[J].电力系统自动化,2017,41(22):26-32,47.ZHAO Qianyu,WANG Shouxiang,QIN Xiaohui,et al.Voltage and reactive pow er control of ultra-high voltage half-w avelength and DC hybrid system based on steady state characteristic.[J].Automation of Electric Pow er Systems,2017,41(22):26-32,47.
[13]张志强,秦晓辉,徐征雄,等.特高压半波长交流输电技术在我国新疆地区电源送出规划中的暂态稳定性研究[J].电网技术,2011,35(9):42-45.ZHANG Zhiqiang,QIN Xiaohui,XU Zhengxiong,et al.Research on transient stability of UHV half-w avelength AC transmission in the plan of sending out electric pow er from Xinjiang region[J].Pow er System Technology,2011,35(9):42-45.
[14]师伟,孙秋芹,李庆民,等.半波长输电线路故障暂态过电压特性研究[J].电网技术,2012,36(2):43-47.SHI Wei,SUN Qiuqin,LI Qingmin,et al.Research on characteristics of transient overvoltages caused by faults occurred in half-w ave length AC transmission lines[J].Pow er System Technology,2012,36(2):43-47.
[15]娄颖,周沛洪,修木洪,等.特高压半波长交流输电线路电磁暂态仿真[J].高电压技术,2012,38(6):1459-1465.LOU Ying,ZHOU Peihong,XIU M uhong,et al.Electromagnetic transient simulation of UHV half w avelength AC transmission line[J].High Voltage Engineering,2012,38(6):1459-1465.
[16]韩彬,林集明,班连庚,等.特高压半波长交流输电系统电磁暂态特性分析[J].电网技术,2011,35(9):22-27.HAN Bin,LIN Jiming,BAN Liangeng,et al.Analysis on electromagnetic transient characteristics of UHV half-w avelength ACtransmission system[J].Pow er System Technology,2011,35(9):22-27.
[17]王安斯,任大伟,汤涌,等.特高压半波长线路输电能力与暂态稳定影响因素[J].电网技术,2017,41(10):3168-3173.WANG Ansi,REN Daw ei,TANG Yong,et al.Pow er transmission capability and transient stability influence factors of UHV half-w avelength transmission line[J].Pow er System Technology,2017,41(10):3168-3173.
[18]张启平,李晨光,万磊.半波长交流输电线路三相短路谐振点研究[J].电网技术,2017,41(9):2743-2751.ZHANG Qiping,LI Chenguang,WAN Lei.Research on resonance point of three-phase short circuit fault on half-w avelength ACtransmission lines[J].Pow er System Technology,2017,41(9):2743-2751
[19]梁旭明,薛更新,郄鑫,等.半波长交流输电真型线路初步试验方案[J].电力建设,2016,37(2):85-90.LIANG Xuming,XUE Gengxin,QIE Xin,et al.Preliminary experimental scheme of half w avelength ac pow er transmission in real line[J].Electric Pow er Construction,2016,37(2):85-90.