基于混合量热原理的新型接地装置比热容测试研究  

Study on Specific Heat Capacity Test of New Grounding Device Based on Mixed Calorimetry Principle

作　　者：庄新伟 姜鹏 杨健铭 柏晓路 务孔永 杨易斐 ZHUANG Xinwei;JIANG Peng;YANG Jianming;BAI Xiaolu;WU Kongyong;YANG Yifei(Guiyang Bureau of Ultrahigh Voltage Transmission Company,China Southern Power Grid Co.Ltd.,Guiyang 550081,China;Zhongnan Electric Power Design Institute Co.Ltd.,China Power Engineering Consulting Group,Wuhan 430071,China;Henan Sida Power Equipment Co.Ltd.,Changge 461503,China)

机构地区：[1]中国南方电网有限责任公司超高压输电公司贵阳局,贵州贵阳550081 [2]中国电力工程顾问集团中南电力设计院有限公司,湖北武汉430071 [3]河南四达电力设备股份有限公司,河南长葛461503

出　　处：《工业加热》2021年第9期1-4,10,共5页Industrial Heating

摘　　要：为了提高新型接地装置比热容测试的准确性,提出基于混合量热原理的新型接地装置比热容测试方法。分析新型接地装置比热容测试过程中的混合热量参数,构建新型接地装置比热容测试约束参数模型,提取新型接地装置的比热容绝缘性能测试参量,在新型接地装置的两端施加交流电压,采用混合量热原理分析的方法,分析空间电荷所引起的比热容差异性,计算静态介电常数和光频介电系数,实现新型接地装置比热容参数测试和量化评估。仿真结果表明,采用该方法实现新型接地装置比热容测试的准确性得到保证,提高了新型接地装置的输出稳定性。In order to improve the accuracy of the specific heat capacity test of the new grounding device,a new specific heat capacity test method based on the principle of mixed calorimetry is proposed.The mixed heat parameters is analyzed in the process of the specific heat capacity test of the new grounding device,constructs the constraint parameter model of the specific heat capacity test of the new grounding device,extracts the specific heat capacity and insulation performance test parameters of the new grounding device,applies AC voltage at both ends of the new grounding device,and analyzes the specific heat tolerance caused by space charge and calculates the static state State dielectric constant and optical frequency dielectric coefficient are used to test and evaluate the specific heat capacity parameters of the new grounding device.The simulation results show that the accuracy of the specific heat capacity test of the new grounding device is guaranteed,and the output stability of the new grounding device is improved.

关 键 词：混合量热原理 新型接地装置 比热容 光频介电系数 

分 类 号：TM855[电气工程—高电压与绝缘技术]