电力计量互感器自动测试误差系统研究
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摘要
传统的自动测试误差系统测试过程中电压波动幅值大,导致测试精度差。针对这一问题,研究了一种新的自动测试误差系统,对系统的硬件和软件进行设计,将电力计量互感器自动测试误差系统应用于电力系统,主要设计了系统的智能电表、电能互感器及其远传编码器,软件部分分为误差测定、误差处理以及误差监测三步,阐述了这种电力计量互感器自动测试误差系统的工作流程。将本文设计的系统与传统系统进行对比实验,实验结果表明,设计的系统能够有效降低电压波动幅值,精度较高,误差相对较小。
In the traditional automatic test error system,the voltage fluctuation amplitude is large,which leads to poor test accuracy.In order to solve this problem,a new automatic test error system is studied.The hardware and software of the system are designed.The automatic test error system of power metering transformer is applied to the power system,and the intelligent meter of the system is designed.The software of power transformer and its remote encoder is divided into three steps,error measurement,error processing and error monitoring.The work flow of this automatic measuring error system is described.The designed system in this paper is compared with the traditional system.The experimental results show that the designed system can effectively reduce the amplitude of voltage fluctuation.The accuracy is higher and the error is relatively small.
In the traditional automatic test error system,the voltage fluctuation amplitude is large,which leads to poor test accuracy.In order to solve this problem,a new automatic test error system is studied.The hardware and software of the system are designed.The automatic test error system of power metering transformer is applied to the power system,and the intelligent meter of the system is designed.The software of power transformer and its remote encoder is divided into three steps,error measurement,error processing and error monitoring.The work flow of this automatic measuring error system is described.The designed system in this paper is compared with the traditional system.The experimental results show that the designed system can effectively reduce the amplitude of voltage fluctuation.The accuracy is higher and the error is relatively small.
引文
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[13] 赵伟,徐文佳,李世松,等.三相大电流互感器杂散磁场干扰等效测试方法[J].高电压技术,2016,42(11):3651-3658.
[14] 高吉普,徐长宝,鲁彩江,等.光学互感器电能计量性能研究及比对验证[J].电测与仪表,2016,53(22):118-122.
[15] 李蕊,宋玮琼,丁宁,等.基于多种互感器的低压电能计量器具全性能检验技术[J].科学技术与工程,2018,(16).
[2] 刘沙.电压互感器二次压降仿真测试[J].机械工程与自动化,2017,12(3):195-196.
[3] 陆以彪,康德功,田文,等.基于电子式互感器运行监控系统的误差特性研究[J].电测与仪表,2017,54(11):26-31.
[4] 宋晓林,任伟,张振铎,等.数字化变电站合并单元插值误差对于电能计量的影响[J].电测与仪表,2017,54(11):57-65.
[5] 刘刚,熊小伏,廖瑞金,等.泄漏电流对电流互感器误差特性的影响及分析[J].电工技术学报,2018,33(3):697-704.
[6] 谢宏伟,王化民,张玉峰,等.基于IEC 61850的电能计量装置远程校验[J].水电能源科学,2017,11(8):190-194.
[7] 毛凯.电力互感器计量绕组误差现场检验技术分析[J].低碳世界,2017,23(16):67-68.
[8] 杨永建,张晓磊.电流互感器误差对计量装置的影响初探[J].通讯世界,2017,15(16):151-152.
[9] 李俊,明东岳,庞博,等.模拟量输入合并单元计量综合误差研究[J].仪器仪表用户,2018,44(1):53-56.
[10] 杨雷.电力计量误差产生的原因与改进措施的思考[J].通讯世界,2017,23(24):160-161.
[11] 李振,李志慧,李琳琳.降低电流互感器对电能计量影响的措施[J].自动化应用,2017,16(7):118-119.
[12] 陈勇,朱梦梦,朱全聪,等.间接法与传统法检测CT误差的对比研究[J].云南电力技术,2017,45(5):37-39.
[13] 赵伟,徐文佳,李世松,等.三相大电流互感器杂散磁场干扰等效测试方法[J].高电压技术,2016,42(11):3651-3658.
[14] 高吉普,徐长宝,鲁彩江,等.光学互感器电能计量性能研究及比对验证[J].电测与仪表,2016,53(22):118-122.
[15] 李蕊,宋玮琼,丁宁,等.基于多种互感器的低压电能计量器具全性能检验技术[J].科学技术与工程,2018,(16).