Design and Practice for Temperature Measurement Sensor Performance Testing Platform of High Voltage Switchgear Contact

WU Chuanqi; CHEN Jun; LIU Fan; XIA Tian; LI Jinbin; WANG Tao

doi:10.13296/j.1001-1609.hva.2020.11.016

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Design and Practice for Temperature Measurement Sensor Performance Testing Platform of High Voltage Switchgear Contact

更新时间：2025-04-26

- Design and Practice for Temperature Measurement Sensor Performance Testing Platform of High Voltage Switchgear Contact
- High VoltageApparatus Vol. 56, Issue 11, Pages: 96-101(2020)
- 作者机构：
  
  国网湖北省电力有限公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2020.11.016
  CLC： TM591
- Published：2020
- 稿件说明：
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[1]吴传奇,陈隽,刘帆,夏天,李劲彬,汪涛.高压开关柜触头测温传感器性能检测平台的设计和应用[J].高压电器,2020,56(11):96-101.

WU Chuanqi, CHEN Jun, LIU Fan, et al. Design and Practice for Temperature Measurement Sensor Performance Testing Platform of High Voltage Switchgear Contact[J]. High voltageapparatus, 2020, 56(11): 96-101.
[1]吴传奇,陈隽,刘帆,夏天,李劲彬,汪涛.高压开关柜触头测温传感器性能检测平台的设计和应用[J].高压电器,2020,56(11):96-101. DOI： 10.13296/j.1001-1609.hva.2020.11.016.

WU Chuanqi, CHEN Jun, LIU Fan, et al. Design and Practice for Temperature Measurement Sensor Performance Testing Platform of High Voltage Switchgear Contact[J]. High voltageapparatus, 2020, 56(11): 96-101. DOI： 10.13296/j.1001-1609.hva.2020.11.016.

摘要

发热缺陷是造成高压开关柜故障的主要原因之一

严重威胁主变近区安全

开关柜触头测温在线监测系统随之广泛应用于高压开关柜中。由于现行测温传感器检测方法未考虑传感器实际安装方式的影响

文中设计研制了一台高压开关柜触头测温传感器性能检测平台。该平台基于恒湿恒温箱和恒温发热平台两个主体

综合考虑了多种传感器安装方式和取电方式。应用该平台对4种类型的传感器进行了性能检测

试验结果表明:非接触式的红外辐射型传感器在实际安装方式下具有较好的测量精度

测量准确度均小于±2℃;接触式的传感器受结构形式和安装方式的影响较大

建议增加接触点数量

提高测量准确度。该平台的研制与应用对开关柜温度在线传感器相关技术规范的制定提供了试验依据。

Abstract

The heating defect is one of the main reasons for high-voltage switchgear failure

which seriously threatens the safety of the main transformer.So the online monitoring system for the temperature measurement of the switchgear contacts is widely used.Since the current temperature sensor detection method not considering the effect of the actual installation of the sensor

a temperature measurement sensor performance testing platform is designed and developed in this paper.The platform includes a constant humidity constant temperature box and a constant temperature heating platform

and can be used in several installation methods and getting power methods.Then

4 types sensors have been tested by the platform.The test results show that the non-contact infrared radiation sensor has good measurement accuracy under the actual installation mode

and the measurement accuracy is less than ±2 ℃;the contact type sensor is greatly affected by the structure and installation mode

so it is suggested to increase the number of contact points and improve the measurement accuracy.The development and application of the platform provides the test basis for the formulation of relevant technic al specific ations of on-line temperature sensors for switchgear.

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