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文章摘要
一种三相电能表的温度补偿新方法
A new method of temperature compensation for three-phase electric energy meter
Received:October 16, 2014
Revised:January 20, 2015
DOI：
中文关键词
:
三相电能表
TDK71M6513H
温度补偿
时钟
英文关键词
:
Three
Phases Electric
Energy Meter, TDK71M6513H, Temperature
Compensation, RTC
基金项目
:
Author Name
Affiliation
E-mail
Zhao Yu-mei
*
Harbin Research Institute of Electrical Instrumentation
zymhbs@163.com
Zhang Zhong-zheng
Harbin Research Institute of Electrical Instrumentation
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中文摘要
:
针对电能表在不同的温度范围使用时,温差使各元器件产生了温度漂移造成的系统累积误差的问题,本文介绍了基于TDK71M6513H设计的三相电能表的两种温度补偿方法,以提高计量精度。一种是针对TDK71M6513H芯片本身的温度补偿,通过增益控制进行温度补偿使系统达到恒定；另一种是针对时钟的温度补偿,采用软件程序根据相应的修正值对时钟自动补偿,用以克服温度造成的晶振的频率漂移。
英文摘要
:
SRegardingStheSproblemSofSsystemSaccumulativeSerrorScausedSbyStemperatureSdriftSofScomponentSofSelectricSenergySmeterSdueStoStemperatureSdifferenceSwhenStheSmetersSareSusedSinSvariousStemperatureSranges,SthisSarticleSintroducedStwoStypesSofStemperatureScompensationSmethodsSforSthree-phaseSmeterSdesignedSbasedSonSTDK71M6513HSchip.SOneSofStheSmethodsSisStemperatureScompensationStoStheSTDK71M6513HSchipSitself,SwhichSallowsStheSsystemSkeepsSaSconstantStemperatureSthroughSgainScontrol,SandStheSotherSmethodSisStemperatureScompensationStoSRTC,SinSwhichSsoftwareSprogramSisSappliedStoSmakeSautomaticScompensationStoSclockSaccordingStoStheScorrespondingScorrectedSvalueSsoSasStoSoffsetStheSfrequencySdriftSofScrystalSoscillatorScausedSbyStemperatureSdrift.
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