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智能电能表检定装置的设计应用

Design and Application of Verification Device for Intelligent Watt Hour Meter
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摘要 智能表检定装置用于模拟低压电网供电输出,进行虚负荷检测检定各种型式、型号、规格、功能、用途的电能表。电能表的品种和试验项目居多,每个试验内容、测试目的差异较大,稍有疏漏就会影响被检定电能表的准确性和功能的完整性。目前国内外开展电能表检定工作时所用的智能电能表检定装置功能单一,结构形式不灵活,阻碍了相关工作的有效开展。文中论述了一种综合型智能表检定装置,可以检定单相智能表、三相智能表、多费率智能表、预付费智能表及进行各相试验,其构成包括微型计算机、三相虚负荷功率源、隔离PT、隔离CT、标准功率电能表、误差计算器、串口服务器等。 The smart meter verification device is used to simulate the power supply output of the low-voltage power grid,carry out virtual load detection and verification of various types,models,specifications,functions and uses of electric energy meters.There are mostly varieties and test items of electric energy meters,and there are large differences in each test content and test purpose.A slight omission will affect the accuracy and functional integrity of the verified electric energy meters.At present,the verification work of electric energy meters at home and abroad,The smart meter verification device used is single in function and inflexible in structure.The smart meter verification device discussed in this paper is a comprehensive smart meter verification device,which can verify single-phase smart meters,three-phase smart meters,multi rate,prepaid smart meters and carry out tests on all phases.The composition includes microcomputer,three-phase virtual load power source,isolated Pt,isolated CT,standard power watt hour meter,error calculator,A serial port server,etc.
作者 牟颖莹 刘于超 高阳 韩洁琼 潘玖庆 Mou Ying-ying;Liu Yu-chao;Gao Yang;Han Jie-qiong;Pan Jiu-qing
出处 《电力系统装备》 2023年第1期20-22,共3页 Electric Power System Equipment
关键词 装置 电源 标准表 智能表 device power supply standard table smart meter
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