基于铂电阻的高压隔离开关无源无线测温系统
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摘要
基于感应取电和无线通信技术,结合隔离开关的结构、工作原理进行在线测温相关技术的理论分析与验证,解决在高电压强电磁环境中在线测温系统的数据无线传输、传感器工作能源供给、设备高可靠性等方面的难题,通过温升试验,分析隔离开关不同影响因素作用下的触头温度分布,在试验研究隔离开关不同触头材料和缺陷情况下的回路电阻,以及回路电阻与接触温度的对应关系的基础上,研制出相应的在线测温装置,并在运行的户外高压隔离开关上进行应用。提出适用于隔离开关的低成本高效率的触头温度实时监测技术,对及时发现高压隔离开关触头的异常发热缺陷,对保证设备安全运行、提高供电可靠性具有重要意义。
The online temperature measurement technology is analyzed and verified in this paper based on power supplied by the inductive current and wireless communication technique combined with the structure and principle of disconnector, solving problems in the online temperature measure system such as wireless data transmission, sensor operating supply and equipment high reliability in an environment of high voltage and strong electromagnetic. The temperature distribution of disconnector contact is analyzed in this paper under different influential factors by means of numerical simulation calculation of temperature field and temperature rise test.Contact materials of various kinds, loop resistance in defect situation as well as the corresponding relation between loop resistance and contact temperature are designed in this paper. The temperature real-time monitoring technology with low cost and high efficiency is researched in this paper. Defects of abnormal heating are discovered in time, which is of great significance for ensuring the safe operation and improving power distribution reliability.
The online temperature measurement technology is analyzed and verified in this paper based on power supplied by the inductive current and wireless communication technique combined with the structure and principle of disconnector, solving problems in the online temperature measure system such as wireless data transmission, sensor operating supply and equipment high reliability in an environment of high voltage and strong electromagnetic. The temperature distribution of disconnector contact is analyzed in this paper under different influential factors by means of numerical simulation calculation of temperature field and temperature rise test.Contact materials of various kinds, loop resistance in defect situation as well as the corresponding relation between loop resistance and contact temperature are designed in this paper. The temperature real-time monitoring technology with low cost and high efficiency is researched in this paper. Defects of abnormal heating are discovered in time, which is of great significance for ensuring the safe operation and improving power distribution reliability.
引文
[1]中国电力科学研究院.2015年开关类设备专业工作总结[R].北京:中国电力科学研究院,2016.
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[6]崔嘉,赵霞,方玄,等.基于光纤传感的电力设备温度监测[J].电力系统自动化,2015, 37(4):67-69.CUI Jia, ZHAO Xia, FANG Xuan, et al. Temperature monitoring of electrical equipment based on optical fiber sensing[J]. Power System&Automation,2015, 37(4):67-69.
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[10]龚贻文,谭冰,刘文.声表面波无线无源温度传感系统[J].电气技术,2010(11):101-104.GONG Yiwen, TAN Bing, LIU Wen. Wireless and passive SAW temperature sensing systems[J]. Electrical Engineering, 2010(11):101-104.
[11]丁嘉文,唐俊,胡保民.无源光网络技术用于输电线路监测的研究[J].中国电力,2012, 45(12):91-95.DING Jiawen, TANG Jun, HU Baomin. Application of PON technology to overhead transmission line monitoring[J]. Electric Power, 2012, 45(12):91-95.
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[13]任晓东,陈树勇,姜涛.电子式电流互感器高压侧取能装置的设计[J].电网技术,2008,32(18):67-71,76.REN Xiaodong, CHEN Shuyong, JIANG Tao. Design of a high side energy extracting device for active electronic current transformer[J].Power System Technology, 2008, 32(18):67-71,76.
[14]解军,张喜林,卢庆港,等.电网监测设备TA取能电源性能分析与改进研究[J].电测与仪表,2015, 52(11):84-89.XIE Jun, ZHANG Xilin, LU Qinggang, et al. Performance analysis and improvement study for grid monitoring equipment power energy obtain based on TA principles[J]. Electrical Measurement&Instrumentation,2015, 52(11):84-89.
[15]李维峰,付兴伟,白玉成,等.输电线路感应取电电源装置的研究与开发[J].武汉大学学报(工学版),2011,44(4):516-520.LI Weifeng, FU Xingwei, BAI Yucheng, et al. Development of power induction devices for transmission lines[J]. Engineering Journal of Wuhan University, 2011, 44(4):516-520.
[16]胡鹏程,时玮泽,梅健挺.高精度铂电阻测温系统[J].光学精密工程,2014,22(4):988-995.HU Pengcheng,SHI Weize,MEI Jianting. High precision Pt resistance temperature measurement system[J]. Optics and Precision Engineering, 2014, 22(4):988-995.
[17]张瑜,张升伟.基于铂电阻传感器的高精度温度检测系统设计[J].传感技术学报,2010, 23(3):311-314.ZHANG Yu, ZHANG Shengwei. A design of high accurate temperature measuring system based on platinum resistance transducers[J]. Chinese Journal of Sensors and Actuators, 2010,23(3):311-314.
[18]周传民,甄国涌,齐蕾,等.铂电阻线性化和抗干扰测温模块的研究[J].自动化与仪表,2014(10):72-76.ZHANG Chuanmin, ZHEN Guoyong, QI Lei, et al. Research in linearization and anti-interference for temperature measurement module with platinum resistance[J]. Automation&Instrumentation,2014(10):72-76.
[19]王龙,李晓晖,许广文,等.高精度铂电阻测温仪的设计与实现[J].工业仪表与自动化装置,2013(6):59-61,119.WANG Long, LI Xiaohui, XU Guangwen, et al. Design and implementation of high precision platinum resistance thermometer[J].Industrial Instrumentation&Automation, 2013(6):59-61, 119.
[20]李中祥,宋建成.高压隔离开关触头温度在线监测系统的研制[J].高压电器,2009, 45(2):11-17.LI Zhongxiang, SONG Jiancheng. On-line temperature measurement system for contacts in HV switchgear[J]. High Voltage Apparatus,2009,45(2):11-17.
[21]周绍志,崔文德.铂电阻温度传感器封装结构影响响应时间的因素[J].导弹与航天运载技术,2009(3):29-31.ZHOU Shaozhi, CUI Wende. Influences of the packaging structure of platinum resistance temperature sensor on tesponse time[J]. Missiles and Space Vehciles, 2009(3):29-31.
[22]李兴旺,吕鸿,卢启付,等.G4型隔离开关发热缺陷分析及处理[J].广东电力,2012, 25(9):103-106.LI Xingwang, LV Hong, LU Qifu, et al. Analysis and treatment on heating of G4 disconnector[J]. Guangdong Electric Power, 2012,25(9):103-106.
[23]胡红光.隔离开关触头结构与发热原因分析[J].高电压技术,2001,27(5):72-74.HU Hongguang. The structure of disconnector contact and reason of overheat accident[J]. Hige Voltage Engineering, 2001, 27(5):72-74.
[24]何兵,邓海峰.GW4/GW5型隔离开关烧坏原因分析及预防控制措施研究[J].电气开关,2012(4):46-48.HE Bing, DENG Haifeng. Research on the reason analysis and preventive measures of isolator GW4/GW5 burnout[J]. Electric Switchgear, 2012(4):46-48.
[2]崔景春,王承玉,张猛,等.电气设备运行及维护保养丛书-高压交流隔离开关和接地开关[M].北京:中国电力出版社,2016.
[3]杨武,王小华,荣命哲,等.基于红外测温技术的高压电力设备温度在线监测传感器的研究[J].中国电机工程学报,2002, 22(9):113-117.YANG Wu, WANG Xiaohua, RONG Mingzhe, et al. On-line temperature measurements with infrared technology on high voltage device[J]. Proceedings of the CSEE, 2002, 22(9):113-117.
[4]李宁.红外测温技术在电网运行中的应用[D].济南:山东大学,2015.
[5]陈忠源,王博,党乐,等.浅析红外测温技术在电网系统的应用[J].电气技术,2017(8):97-100.CHEN Zhongyuan, WANG Bo, DANG Le, et al. Application of infrared temperature measurement technology in power system[J].Electrical Engineering, 2017(8):97-100.
[6]崔嘉,赵霞,方玄,等.基于光纤传感的电力设备温度监测[J].电力系统自动化,2015, 37(4):67-69.CUI Jia, ZHAO Xia, FANG Xuan, et al. Temperature monitoring of electrical equipment based on optical fiber sensing[J]. Power System&Automation,2015, 37(4):67-69.
[7]何明科,张佩宗,李永丽.分布式光纤测温技术在电力设备过热监测中的应用[J].电力设备,2007, 8(10):30-32.HE Mingke, ZHANG Peizong, LI Yongli. Application of distributed temperature sensing technology for power equipment monitoring[J].Electrical Equipment, 2007, 8(10):30-32.
[8]陈强,李庆民,丛浩熹,等.高压开关设备触头温度监测技术研究进展[J].高压电器,2015, 51(9):146-153.CHEN Qiang, LI Qingmin, CONG Haoxi, et al. Advancement of temperature monitoring techniques for HV switchgear contacts[J].High Voltage Apparatus,2015, 51(9):146-153.
[9]岳海方.基于声表面波技术的无线测温系统理论分析与实验研究[D].济南:山东大学,2014.
[10]龚贻文,谭冰,刘文.声表面波无线无源温度传感系统[J].电气技术,2010(11):101-104.GONG Yiwen, TAN Bing, LIU Wen. Wireless and passive SAW temperature sensing systems[J]. Electrical Engineering, 2010(11):101-104.
[11]丁嘉文,唐俊,胡保民.无源光网络技术用于输电线路监测的研究[J].中国电力,2012, 45(12):91-95.DING Jiawen, TANG Jun, HU Baomin. Application of PON technology to overhead transmission line monitoring[J]. Electric Power, 2012, 45(12):91-95.
[12]肖微,徐振,谭甜源,等.高压线路简易感应取电电源设计与实现[J].电气技术,2013(9):18-22, 33.XIAO Wei, XU Zhen, TAN Tianyuan, et al. Design and implementation of high-voltage line draw-out power sources[J].Electrical Engineering, 2013(9):18-22, 33.
[13]任晓东,陈树勇,姜涛.电子式电流互感器高压侧取能装置的设计[J].电网技术,2008,32(18):67-71,76.REN Xiaodong, CHEN Shuyong, JIANG Tao. Design of a high side energy extracting device for active electronic current transformer[J].Power System Technology, 2008, 32(18):67-71,76.
[14]解军,张喜林,卢庆港,等.电网监测设备TA取能电源性能分析与改进研究[J].电测与仪表,2015, 52(11):84-89.XIE Jun, ZHANG Xilin, LU Qinggang, et al. Performance analysis and improvement study for grid monitoring equipment power energy obtain based on TA principles[J]. Electrical Measurement&Instrumentation,2015, 52(11):84-89.
[15]李维峰,付兴伟,白玉成,等.输电线路感应取电电源装置的研究与开发[J].武汉大学学报(工学版),2011,44(4):516-520.LI Weifeng, FU Xingwei, BAI Yucheng, et al. Development of power induction devices for transmission lines[J]. Engineering Journal of Wuhan University, 2011, 44(4):516-520.
[16]胡鹏程,时玮泽,梅健挺.高精度铂电阻测温系统[J].光学精密工程,2014,22(4):988-995.HU Pengcheng,SHI Weize,MEI Jianting. High precision Pt resistance temperature measurement system[J]. Optics and Precision Engineering, 2014, 22(4):988-995.
[17]张瑜,张升伟.基于铂电阻传感器的高精度温度检测系统设计[J].传感技术学报,2010, 23(3):311-314.ZHANG Yu, ZHANG Shengwei. A design of high accurate temperature measuring system based on platinum resistance transducers[J]. Chinese Journal of Sensors and Actuators, 2010,23(3):311-314.
[18]周传民,甄国涌,齐蕾,等.铂电阻线性化和抗干扰测温模块的研究[J].自动化与仪表,2014(10):72-76.ZHANG Chuanmin, ZHEN Guoyong, QI Lei, et al. Research in linearization and anti-interference for temperature measurement module with platinum resistance[J]. Automation&Instrumentation,2014(10):72-76.
[19]王龙,李晓晖,许广文,等.高精度铂电阻测温仪的设计与实现[J].工业仪表与自动化装置,2013(6):59-61,119.WANG Long, LI Xiaohui, XU Guangwen, et al. Design and implementation of high precision platinum resistance thermometer[J].Industrial Instrumentation&Automation, 2013(6):59-61, 119.
[20]李中祥,宋建成.高压隔离开关触头温度在线监测系统的研制[J].高压电器,2009, 45(2):11-17.LI Zhongxiang, SONG Jiancheng. On-line temperature measurement system for contacts in HV switchgear[J]. High Voltage Apparatus,2009,45(2):11-17.
[21]周绍志,崔文德.铂电阻温度传感器封装结构影响响应时间的因素[J].导弹与航天运载技术,2009(3):29-31.ZHOU Shaozhi, CUI Wende. Influences of the packaging structure of platinum resistance temperature sensor on tesponse time[J]. Missiles and Space Vehciles, 2009(3):29-31.
[22]李兴旺,吕鸿,卢启付,等.G4型隔离开关发热缺陷分析及处理[J].广东电力,2012, 25(9):103-106.LI Xingwang, LV Hong, LU Qifu, et al. Analysis and treatment on heating of G4 disconnector[J]. Guangdong Electric Power, 2012,25(9):103-106.
[23]胡红光.隔离开关触头结构与发热原因分析[J].高电压技术,2001,27(5):72-74.HU Hongguang. The structure of disconnector contact and reason of overheat accident[J]. Hige Voltage Engineering, 2001, 27(5):72-74.
[24]何兵,邓海峰.GW4/GW5型隔离开关烧坏原因分析及预防控制措施研究[J].电气开关,2012(4):46-48.HE Bing, DENG Haifeng. Research on the reason analysis and preventive measures of isolator GW4/GW5 burnout[J]. Electric Switchgear, 2012(4):46-48.