基于CVT的特高压换流站复杂电磁环境下操作过电压测量

doi:10.11930/j.issn.1004-9649.202205059

中国电力 ›› 2022, Vol. 55 ›› Issue (10): 92-99.DOI: 10.11930/j.issn.1004-9649.202205059

基于CVT的特高压换流站复杂电磁环境下操作过电压测量

王容¹, 史嘉昭², 郭璨³, 申巍³, 马西奎²

1. 国网陕西省电力公司检修公司，陕西西安　710065;
2. 西安交通大学电气工程学院，陕西西安　710049;
3. 国网陕西省电力科学研究院，陕西西安　710054

收稿日期:2022-05-20 修回日期:2022-07-02 发布日期:2022-10-20
作者简介:王容（1976—）男，高级工程师，从事过电压测量技术研究，E-mail：Zhpwrwsy@163.com;史嘉昭（1997—）男，通信作者，硕士研究生，从事电磁场仿真、电磁兼容和过电压测量技术研究，E-mail：shijiazhao123@stu.xjtu.edu.cn
基金资助:
国网陕西省电力科学研究院科技项目（±800 kV换流站复杂电磁环境下过电压测试技术研究-传感器及电磁屏蔽设计优化研究，SGTYHT/19-JS-217）

CVT-Based Switching Overvoltage Measurement of UHV Converter Station under Complex Electromagnetic Environment

WANG Rong¹, SHI Jiazhao², GUO Can³, SHEN Wei³, MA Xikui²

1. Maintence Company of State Grid Shaanxi Electric Power Company, Xi' an 710065, China;
2. School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, China;
3. State Grid Shaanxi Electric Power Research Institute, Xi'an 710054, China

Received:2022-05-20 Revised:2022-07-02 Published:2022-10-20

摘要/Abstract

摘要： 特高压换流站内设备开关操作时很容易产生操作过电压，但由于电压等级高、换流站内存在强电磁干扰等因素目前仍缺少对这些过电压进行测量的有效手段。为此对电容式电压互感器（CVT）改装，进行操作过电压测量研究，通过建立CVT串联分压模型以及仿真电磁单元对过电压测量的影响，论证改装测量过电压的可行性。通过优化传感器内部结构，降低杂散参数，以提高传感器抗干扰能力。通过对测量系统外屏蔽、信号电缆匹配、屏蔽和接地等措施的优化，实现换流站强电磁干扰下过电压信号的有效采集。在±800 kV陕北换流站进行现场测试，有效采集了投切空载线路和低压电抗器时的操作过电压。搭建了一种特高压换流站操作过电压测量系统并通过现场测试验证了设计方案的有效性和安全性。

关键词: 特高压换流站, 操作过电压, 电容式电压互感器（CVT）, 电磁屏蔽, 电缆匹配与抗干扰

Abstract: UHV converter station is prone to produce switching overvoltage during switching operation, However, due to its high voltage level, strong electromagnetic interference and other factors, there is still no effective means to measure the overvoltage. Therefore, a study is carried out on the switching overvoltage measurement by refitting the capacitive voltage transformer (CVT). By establishing a CVT series voltage division model, the influence of electromagnetic unit on the overvoltage measurement is simulated, and the feasibility of refitting is demonstrated. The internal structure of sensors is optimized to reduce stray parameters, consequently improve the anti-interference ability of the sensors. The outer shielding, signal cable matching, shielding and grounding of the measurement system are optimized to effectively collect the overvoltage signals under strong electromagnetic interference. A field test was carried out in the ±800 kV UHV Shaanbei Converter Station, and the switching overvoltage during switching the no-load line and the low-voltage reactor was effectively recorded. In a word, an overvoltage measurement system is developed for the UHV converter station, and the effectiveness and safety of the design scheme is verified through field tests. This work is supported by Science & Technology Project of State Grid Shaanxi Electric Power Research Institute (Research on Overvoltage Test Technology in Complex Electromagnetic Environment of ±800 kV Converter Station-Sensor and Electromagnetic shielding Design Optimization Research, No.SGTYHT/19-JS-217).

Key words: UHV converter station, switching overvoltage, capacitive voltage transformer, electromagnetic shielding, cable matching and anti-interference

王容, 史嘉昭, 郭璨, 申巍, 马西奎. 基于CVT的特高压换流站复杂电磁环境下操作过电压测量[J]. 中国电力, 2022, 55(10): 92-99.

WANG Rong, SHI Jiazhao, GUO Can, SHEN Wei, MA Xikui. CVT-Based Switching Overvoltage Measurement of UHV Converter Station under Complex Electromagnetic Environment[J]. Electric Power, 2022, 55(10): 92-99.

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https://www.electricpower.com.cn/CN/Y2022/V55/I10/92

参考文献

[1] 李振华, 赵爽, 胡蔚中, 等. 高电压测量技术研究综述[J]. 高电压技术, 2018, 44(12): 3910–3919
LI Zhenhua, ZHAO Shuang, HU Weizhong, et al. Review of the study of high voltage measurement technology[J]. High Voltage Engineering, 2018, 44(12): 3910–3919
[2] 邓旭, 王东举, 沈扬, 等. ±1100 kV特高压换流站直流操作过电压研究[J]. 电力自动化设备, 2014, 34(1): 141–147,167
DENG Xu, WANG Dongju, SHEN Yang, et al. DC switching overvoltage of ±1100 kV UHVDC converter station[J]. Electric Power Automation Equipment, 2014, 34(1): 141–147,167
[3] 吴嘉玲, 卢铁兵. 柔性直流电网结构对单极接地故障过电压的影响[J]. 中国电力, 2021, 54(10): 20–27
WU Jialing, LU Tiebing. Influence of the VSC-HVDC system structure on the overvoltage of single-pole grounding fault[J]. Electric Power, 2021, 54(10): 20–27
[4] 韩雪, 杨鸣, 司马文霞, 等. 500 kV柔性直流电网直流断路器操作过电压研究[J]. 高电压技术, 2019, 45(1): 72–81
HAN Xue, YANG Ming, SIMA Wenxia, et al. Study of switching overvoltage of DC circuit breaker in 500 kV VSC-based DC grid[J]. High Voltage Engineering, 2019, 45(1): 72–81
[5] 钟建英. 典型开路故障引起的换流站直流场操作过电压仿真研究[J]. 高压电器, 2013, 49(6): 113–119
ZHONG Jianying. Simulation study on DC field over-voltage in inverter substation caused by typical open circuit faults[J]. High Voltage Apparatus, 2013, 49(6): 113–119
[6] International Electrotechnical Commisssion. High voltage test techniques-part 2: Measuring systems: IEC 60060-2–2010[S]. 2010.
[7] 傅晨钊, 刘兆林, 杨凌辉, 等. 基于500 kV CVT内置低压电容C₃的暂态过电压在线监测[J]. 高压电器, 2015, 51(9): 77–84,90
FU Chenzhao, LIU Zhaolin, YANG Linghui, et al. Transient over-voltage online monitoring technology based on 500 kV capacitive voltage transformer with interior low-voltage capacitor C₃[J]. High Voltage Apparatus, 2015, 51(9): 77–84,90
[8] 黄海波, 张晋, 寇小适, 等. 套管分压系统的过电压响应特性研究[J]. 高压电器, 2010, 46(1): 44–48
HUANG Haibo, ZHANG Jin, KOU Xiaoshi, et al. Simulation study on overvoltage response characteristic of bushing divider subsystem[J]. High Voltage Apparatus, 2010, 46(1): 44–48
[9] 王永强, 谢军, 律方成, 等. 基于复合积分罗氏线圈的过电压监测方法[J]. 电网技术, 2015, 39(5): 1450–1455
WANG Yongqiang, XIE Jun, LV Fangcheng, et al. An overvoltage monitoring method based on composite integral rogowski coil[J]. Power System Technology, 2015, 39(5): 1450–1455
[10] 司文荣, 傅晨钊, 赵丹丹, 等. 电网暂态过电压传感耦合技术述评[J]. 高电压技术, 2016, 42(4): 1124–1141
SI Wenrong, FU Chenzhao, ZHAO Dandan, et al. Review on sensors and measurement technologies used for transient over-voltage of power grid[J]. High Voltage Engineering, 2016, 42(4): 1124–1141
[11] 司马文霞, 韩睿, 杨庆, 等. 双晶体温度补偿型非接触式光学过电压传感器[J]. 高电压技术, 2018, 44(11): 3465–3473
SIMA Wenxia, HAN Rui, YANG Qing, et al. Contactless optical overvoltage sensor based on dual-crystal compensation[J]. High Voltage Engineering, 2018, 44(11): 3465–3473
[12] 胡泉伟, 黄海波, 袁鹏, 等. 基于罗氏线圈原理的500 kV电网过电压监测系统的研究[J]. 高压电器, 2011, 47(5): 59–64
HU Quanwei, HUANG Haibo, YUAN Peng, et al. Overvoltage monitoring system for 500 kV power grid based on rogowski coil[J]. High Voltage Apparatus, 2011, 47(5): 59–64
[13] 吴旭涛, 周秀, 周童浩, 等. 基于电场耦合原理和差分输入结构的电压传感器设计与实验[J]. 高压电器, 2022, 58(4): 172–178,188
WU Xutao, ZHOU Xiu, ZHOU Tonghao, et al. Design and experiment of voltage transformer based on electric field coupling principle and differential input structure[J]. High Voltage Apparatus, 2022, 58(4): 172–178,188
[14] 杨怀远, 庄池杰, 谢施君, 等. 非接触式暂态电压测量的简化解耦方法[J]. 高电压技术, 2020, 46(6): 1948–1954
YANG Huaiyuan, ZHUANG Chijie, XIE Shijun, et al. Simplified decoupling method for non-contact transient voltage measurement[J]. High Voltage Engineering, 2020, 46(6): 1948–1954
[15] 李振华, 闫苏红, 胡蔚中, 等. 光学电压互感器的研究及应用现状分析[J]. 高电压技术, 2016, 42(10): 3230–3236
LI Zhenhua, YAN Suhong, HU Weizhong, et al. Research and application situation analysis of optical voltage transformers[J]. High Voltage Engineering, 2016, 42(10): 3230–3236
[16] 李璿, 张广勇, 王晓琪, 等. 特高压CVT电容分压器的宽频建模[J]. 中国电力, 2015, 48(12): 110–114
LI Xuan, ZHANG Guangyong, WANG Xiaoqi, et al. Broadband modeling of ultra high voltage CVT capacitor voltage divider[J]. Electric Power, 2015, 48(12): 110–114
[17] 司马文霞, 王惠, 杨鸣, 等. 考虑中间变压器饱和特性的电容式电压互感器宽频非线性模型[J]. 中国电机工程学报, 2021, 41(14): 5034–5043
SIMA Wenxia, WANG Hui, YANG Ming, et al. Wideband and nonlinear model of capacitive voltage transformer considering the saturation of intermediate transformer[J]. Proceedings of the CSEE, 2021, 41(14): 5034–5043
[18] 赵黎. 电容式电压互感器的仿真建模及在输电系统中的应用研究[D]. 济南: 山东大学, 2017.
ZHAO Li. Simulation of capacitive voltage transformer model and applications in transmission systems[D]. Jinan: Shandong University, 2017.
[19] 王黎明, 方斌. 500 kV电容式电压互感器暂态特性仿真[J]. 高电压技术, 2012, 38(9): 2389–2396
WANG Liming, FANG Bin. Simulations on transient characteristics of 500 kV capacitor voltage transformer[J]. High Voltage Engineering, 2012, 38(9): 2389–2396
[20] 邓维, 刘卫东, 傅志扬, 等. 变电站绝缘在线监测系统抗电磁场干扰特性[J]. 高电压技术, 2008, 34(8): 1552–1556
DENG Wei, LIU Weidong, FU Zhiyang, et al. Anti-electromagnetic interference ability of on-line monitoring system of HV capacitive apparatus[J]. High Voltage Engineering, 2008, 34(8): 1552–1556
[21] 柏晓路, 李健, 陈媛, 等. ±1100 kV特高压直流输电线路电磁环境研究[J]. 中国电力, 2014, 47(10): 24–29
BAI Xiaolu, LI Jian, CHEN Yuan, et al. Research on electromagnetic environment of ±1100 kV UHVDC transmission lines[J]. Electric Power, 2014, 47(10): 24–29
[22] 罗汉武, 乐健, 毛涛, 等. 扎鲁特–青州±800 kV特高压直流换流站传导电磁干扰水平研究[J]. 高压电器, 2018, 54(5): 161–168
LUO Hanwu, YUE Jian, MAO Tao, et al. Research of conductive electromagnetic interference in converter station of Zhalute–Qingzhou ±800 kV UHVDC project[J]. High Voltage Apparatus, 2018, 54(5): 161–168
[23] 杨为之, 宋坤宇, 周力行. 罗氏线圈磁屏蔽盒的设计与研究[J]. 高压电器, 2018, 54(12): 158–164,173
YANG Weizhi, SONG Kunyu, ZHOU Lixing. Design and research of the magnetic shielding box of the rogowski coil[J]. High Voltage Apparatus, 2018, 54(12): 158–164,173
[24] 中华人民共和国国家发展和改革委员会. ±800 kV特高压直流线路电磁环境参数限值: DL/T 1088—2008[S]. 北京: 中国电力出版社, 2008.
National Development and Reform Commission of the People's Republic of China. Electromagnetic environment parameters limit for ±800 kV UHV DC transmission lines: DL/T 1088—2008[S]. Beijing: China Electric Power Press, 2008.
[25] 齐磊, 崔翔. 变电站开关操作对屏蔽电缆电磁干扰的预测[J]. 中国电机工程学报, 2007, 27(9): 46–51
QI Lei, CUI Xiang. Prediction of electromagnetic interference on the shielded cable due to the switching operation in substation[J]. Proceedings of the CSEE, 2007, 27(9): 46–51
[26] 李岩, 刘云鹏. 电缆接地屏蔽层结构对传输线参数影响的有限元分析[J]. 高压电器, 2020, 56(11): 196–202
LI Yan, LIU Yunpeng. Finite element analysis of the effect of cable grounding shield structure on transmission line parameters[J]. High Voltage Apparatus, 2020, 56(11): 196–202

基于CVT的特高压换流站复杂电磁环境下操作过电压测量

CVT-Based Switching Overvoltage Measurement of UHV Converter Station under Complex Electromagnetic Environment

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基于CVT的特高压换流站复杂电磁环境下操作过电压测量

CVT-Based Switching Overvoltage Measurement of UHV Converter Station under Complex Electromagnetic Environment

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