祝金,杨阳,肖永卿,王强,王越
ZHU Jin,YANG Yang,XIAO Yongqing,WANG Qiang,WANG Yue

• 1:内蒙古电力(集团)有限责任公司薛家湾供电分公司

摘要(Abstract)：

针对高压开关柜采用红外测温存在的偏差大、高压设备测温困难等问题，提出采用射频识别（Radio Frequency Identification,RFID）无线方式对高压开关柜进行温度在线监测。将基于RFID技术的传感器安装在被测节点上，省去传统的信号传输线路，传感器自身可通过环境场获得运行所需电力。为了提高传感器的传输精度、延长传输距离,对RFID芯片做了特殊设计，并提高了电路的通频脉宽。将该温度监测系统应用于薛家湾供电站35 kV开关柜中，可有效监测开关柜内的温度，并对发热故障及时预警，提高了电力设备运行的安全性。
In view of the large deviation of infrared temperature measurement for high voltage switchgear and the difficulty of temperature measurement for high voltage equipment, the radio frequency identification(RFID) wireless method is proposed for online temperature monitoring of high voltage switchgear. The sensor based on RFID technology is installed on the node under test, eliminating the traditional signal transmission line, and the sensor itself can obtain the power required for operation through the environment field. In order to improve the transmission accuracy of the sensor and extend the transmission distance, the RFID chip is specially designed, and the passband pulse width of the circuit is increased.Applying the temperature monitoring system to the 35 kV switch cabinet of Xuejiawan Power Supply Station can effectively monitor the temperature in the switch cabinet, and timely warn the heating fault, so as to improve the operation safety of electric equipment.

关键词(KeyWords)： RFID;高压电气设备;开关柜;无线无源技术;温度传感器;在线监测
RFID;high voltage electrical equipment;switch cabinet;wireless passive technology;temperature sensor;online monitoring

Abstract:

Keywords:

基金项目(Foundation): 内蒙古电力（集团）有限责任公司科技项目“薛家湾供电公司电气设备无线无源温度在线监测装置研究与应用”（ZDGX-2022XG20）

作者(Author): 祝金,杨阳,肖永卿,王强,王越
ZHU Jin,YANG Yang,XIAO Yongqing,WANG Qiang,WANG Yue

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