温度在线监测技术在油田变电设备中的应用
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摘要
在变电设备的运行过程中,故障发生前都会有明显的异常温升特点,如果发现不及时,就会造成严重的事故,因此温度是变电设备运行中需要重点监测的一个重要参数。采用温度在线监测系统,将温度传感器安装在高压设备的被测点上,由温度监测装置向温度传感器发射询问指令脉冲并接收测量点温度数据(同时具备超温报警功能),再通过RS485串行通信口与监控计算机相连,可实现对电气设备各连接点温度的实时监测,使变电运行人员能够及时发现设备缺陷并采取有效措施。采用该系统对保障设备安全运行、提高供电可靠性具有重要的意义。
During the operation process of substation equipment, there will be obvious abnormal temperature rise before the failure occurs. If the anomaly is not found in time,it will cause serious accidents. Therefore,temperature is an important parameter to be monitored in the operation of substation equipment. The temperature online monitoring system is adopted, and the temperature sensor is installed at the measured point of the high-pressure equipment. The temperature monitoring device fires an inquiry command pulse to the temperature sensor and receives the temperature data of the measurement point(it has an ultra-temperature alarm function). Through the RS485 serial communication port,the sensor is connected to the monitoring computer to achieve the real-time temperature monitoring of the electrical equipment connection points, so that the substation operators can find equipment defects in time and take effective measures. The usage of the system is of great significance to ensure the safe operation of equipment and improve the reliability of power supply.
During the operation process of substation equipment, there will be obvious abnormal temperature rise before the failure occurs. If the anomaly is not found in time,it will cause serious accidents. Therefore,temperature is an important parameter to be monitored in the operation of substation equipment. The temperature online monitoring system is adopted, and the temperature sensor is installed at the measured point of the high-pressure equipment. The temperature monitoring device fires an inquiry command pulse to the temperature sensor and receives the temperature data of the measurement point(it has an ultra-temperature alarm function). Through the RS485 serial communication port,the sensor is connected to the monitoring computer to achieve the real-time temperature monitoring of the electrical equipment connection points, so that the substation operators can find equipment defects in time and take effective measures. The usage of the system is of great significance to ensure the safe operation of equipment and improve the reliability of power supply.
引文
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[2]陈振生,周骁威.智能电器温升的测量及在线监测[J].电气开关,2003(4):19-26.CHEN Zhensheng, ZHOU Xiaowei. Measurement and online monitoring of temperature rise of smart appliances[J].Electrical Switches,2003(4):19-26.
[3]陈振生.高压开关柜手车触头温升超标在线监测装置[J].电气制造,2007(6):78-82.CHEN Zhensheng. High voltage switch cabinet contacts over the temperature of the online monitoring device[J].Electrical Manufacturing,2007(6):78-82.
[4]王茂军.高压母线无线测温系统的设计[D].沈阳:沈阳工业大学,2007:1-65.WANG Maojun.Design of high voltage bus wireless temperature measurement system[D]. Shenyang:Shenyang University of Technology,2007:1-65.
[5]袁和刚,罗强,王明,等.无线测温技术在高压开关柜监控中的应用研究[J].电子技术,2011(12):49-50.YUAN Hegang,LUO Qiang,WANG Ming,et al.Application of wireless temperature measurement technology in high voltage switchgear monitoring[J]. Electronics, 2011(12):49-50.
[6]李启达.杏北油田35 kV变电所无人值守改造设计[J].油气田地面工程,2017,36(11):71-73.LI Qida. 35 kV substation unmanned reconstruction design of Xingbei Oilfield[J]. Oil-Gas Field Surface Engineering,2017,36(11):71-73.
[7]赵炳成,沈立新,丁周松.基于ZigBee技术的高压开关柜温度在线监测系统[J].浙江电力,2012(2):16-18.ZHAO Bingcheng, SHEN Lixin, DING Zhousong. High voltage switch cabinet temperature monitoring system based on ZigBee technology[J]. Zhejiang Electric Power, 2012(2):16-18.
[8]李曙英,周根元,靳慧.基于无线的高压母线温度监测系统的设计[J].微计算机信息,2008,24(32):148-150.LI Shuying, ZHOU Genyuan, JIN Hui. Design of a wireless high voltage bus temperature monitoring system[J]. Microcomputer Information,2008,24(32):148-150.
[9]姜永志,范晓娟.ZBT变电站无线测温实时监测系统的应用[J].自动化应用,2011(12):65-66.JIANG Yongzhi, FAN Xiaojuan. Application of real time monitoring system for wireless temperature measurement in ZBT substation[J]. Automation Application, 2011(12):65-66.
[10]金振东,许箴,金峰,等.国内高压带电设备测温方式综述及分析[J].电力设备,2007,8(12):57-61.JIN Zhendong, XU Zhen, JIN Feng, et al. Overview and analysis of temperature measurement ethods of domestic high voltage electric equipment[J]. Electrical Equipment,2007,8(12):57-61.