电能表动态误差测量系统及测量不确定度评定  

Research on the dynamic error measuring system of electric energy meter and the evaluation of measuring uncertainty

作　　者：周丽霞[1,2] 丁恒春[1,2] 袁瑞铭[1,2] 张春雪[1,2] 王学伟[3] 

机构地区：[1]国网冀北电力有限公司电力科学研究院,北京100045 [2]华北电力科学研究院有限责任公司,北京100045 [3]北京化工大学,北京100029

出　　处：《电测与仪表》2016年第8期81-85,118,共6页Electrical Measurement & Instrumentation

摘　　要：分析了动态激励信号的数学模型和动态误差计算方法,设计开发了基于幅移键控的电能表动态误差测试装置,并搭建了相应的测试系统,全面剖析了电能表动态误差测量的不确定度来源,对测量结果的不确定度进行了系统的评定,对电能表制造企业发展电能表动态计量关键技术和国家建立电能表动态电能量值传递体系具有非常重要的意义。The mathematical model of dynamic excitation signal and the calculation method of dynamic error are analyzed in this paper. A kind of dynamic error testing device for electric energy meter based on amplitude shift keying（ ASK） control is designed and developed,through which the testing system is established for dynamic error test. The measurement uncertainty in the process of the dynamic error testing is analyzed comprehensively,under which the uncertainty of measurement results were evaluated. It is of great significance for the watt-hour meter manufacturing enterprises to develop the key technology of dynamic metering and the state to establish the dynamic power measure value transferable system of watt-hour meter.

关 键 词：电能表 测试系统 动态误差 不确定度 

分 类 号：TM933[电气工程—电力电子与电力传动]