基于稳健性设计理论的锰铜分流器优化设计
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摘要
锰铜分流器作为单相智能电能表的电流采样装置,在工频外磁场干扰下会产生感应电流,影响电能表计量的准确性。提出了一种基于稳健设计理论的锰铜分流器结构优化设计方法,提高锰铜分流器抗磁场干扰能力。首先,理论分析了锰铜分流器在外加工频磁场干扰下产生感应电流的基本原理,并基于Flux软件建立了锰铜分流器感应电流仿真模型;进而,基于正交试验设计对影响感应电流大小的因素进行信噪比分析,确定显著因素作为后续优化目标,采用Taguchi稳健设计方法对锰铜分流器进行优化设计;最后通过蒙特卡洛仿真对优化前后感应电流大小一致性评价,验证了稳健设计方法在提高锰铜分流器抗磁场干扰能力的适用性。
As a current sampling device of single-phase intelligent watt-hour meter,manganese-copper shunt will produce inductive current under the interference of external magnetic field of power frequency,which will affect the accuracy of watt-hour meter measurement. In this paper,an optimal design method of induced current of manganese copper shunt is proposed based on robust design theory. Firstly,the basic physical principle of induced current produced by manganese-copper shunt under the interference of power frequency magnetic field is analyzed theoretically,then the simulation model of manganese-copper shunt is established based on Flux software. Afterwards,design of experiment( DOE) based signal noise ratio( SNR) analysis is carried out to rank the influence factor for induced current. Then,the optimal design of manganese-copper shunt is carried out based on Taguchi robust design method. Finally,the induced current before and after optimization is compared by Monte Carlo simulation consistency evaluation. It is proved that the robust design method is suitable for improving the magnetic field interference ability of the manganese copper shunt.
As a current sampling device of single-phase intelligent watt-hour meter,manganese-copper shunt will produce inductive current under the interference of external magnetic field of power frequency,which will affect the accuracy of watt-hour meter measurement. In this paper,an optimal design method of induced current of manganese copper shunt is proposed based on robust design theory. Firstly,the basic physical principle of induced current produced by manganese-copper shunt under the interference of power frequency magnetic field is analyzed theoretically,then the simulation model of manganese-copper shunt is established based on Flux software. Afterwards,design of experiment( DOE) based signal noise ratio( SNR) analysis is carried out to rank the influence factor for induced current. Then,the optimal design of manganese-copper shunt is carried out based on Taguchi robust design method. Finally,the induced current before and after optimization is compared by Monte Carlo simulation consistency evaluation. It is proved that the robust design method is suitable for improving the magnetic field interference ability of the manganese copper shunt.
引文
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[14]袁强,何乐生,王威廉.一种基于AMI系统的无线三相智能电表的设计[J].电子测量与仪器学报,2013,27(5):473-478.YUAN Q,HE L SH,WANG W L. Design of smart three-phase wireless meter based on AMI system[J]. Journal ofElectronic Measurement and Instrument,2013,27(5):473-478.
[15]唐宇航,范晋伟,陈东菊,等.基于蒙特卡洛模拟的机床关键几何误差溯源方法[J].北京工业大学学报,2017,43(11):1619-1628.TANG Y H,FAN J W,CHEN D J,et al. Robust designfor reducing torque ripple in permanent magnetsynchronous motor[J]. Journal of Beijing University ofTechnology,2017,43(11):1619-1628.
[2]黄金良,周韶园,郑荐中,等.我国电能表的种类、管理以及质量情况综述[J].中国计量,2012(8):26-28.HUANG J L, ZHOU SH Y, ZHENG J ZH, et al.Overview of the types, management and quality ofelectricity meters in China[J]. China Metrology,2012(8):26-28.
[3]谢永明,李英莲.工频磁场对单相电能表的影响[J].电测与仪表,2014,51(7):14-17.XIE Y m,LI Y L. Effects of power frequency magneticfield on single phase electricity meter[J]. ElectricalMeasurement&Instrumentation,2014,51(7):14-17.
[4]徐晴,纪峰,黄奇峰,等.变压器漏磁对锰铜采样电能表计量误差影响的研究[J].电测与仪表,2012,49(8):66-70.XU Q,JI F,HUANG Q F,et al. The study of impactabout mangnetic leakage of transformer to measurementerror of manganin sampling power meter[J]. ElectricalMeasurement&Instrumentation,2012,49(8):66-70.
[5]王晓东,江小强,王晔,等.工频磁场对单相电子式电能表影响浅析[J].电测与仪表,2013,50(12):9-12.WANG X D,JIANG X Q,WANG Y,et al. Analysis ofpower-frequency magnetic field effect on single phaseelectronic watt-hour meter[J]. Electrical Measurement&Instrumentation,2013,50(12):9-12.
[6]周碧红,石雷兵,韩志强,等.工频外磁场对电子式电能表的影响[J].上海计量测试,2011,38(6):50-53.ZHOU B H,SHI L B,HAN ZH Q,et al. Effect ofexternal magnetic field on electronic energy meter[J].Shanghai Measurement and Testing, 2011, 38(6):50-53.
[7]郭清营,王晓东,崔星毅,等.新型电子式电能表用锰铜分流器的设计方法[J].电测与仪表,2014,51(3):20-23.GUO Q Y,WANG X D,CUI X Y,et al. Research on themethod to design manganin shunt for new electronicenergy meter[J]. Electrical Measurement&Instrumentation,2014,51(3):20-23.
[8]田正其,纪峰,徐晴,等.智能电能表小电量走字原因分析及抑制方法[J].江苏电机工程,2014,33(6):38-41.TIAN ZH Q,JI F,XU Q,et al. Reason analysis andsuppression method of small electric quantity inintelligent electricity meter[J]. Jiangsu ElectricalEngineering,2014,33(6):38-41.
[9]潘尔顺,徐小芸.基于有限元法与田口法的V形件冲压仿真参数稳健设计[J].上海交通大学学报,2005,39(7):1077-1081.PAN ER SH,XU X Y. The Robustness simulat ionparameter design of V-shape stamping process based onFEM and taguchi method[J]. Journal of ShanghaiJiaotong University,2005,39(7):1077-1081.
[10]郭宏,钱浩.永磁同步电机低转矩脉动的稳健设计[J].中国电机工程学报,2012,32(24):88-95.GUO H,QIAN H. Robust design for reducing torqueripple in permanent magnet synchronous[J] MotorProceedings of the CSEE,2012,32(24):88-95.
[11] Q/GDW 1364-2013,单相智能电能表技术规范[S].Q/GDW 1364-2013,Technical specification for singlephase smart electricity meters[S].
[12]向世强,唐求,宋鹏,等.非线性负荷电能计量方法研究[J].电子测量与仪器学报,2018,32(4):181-186.XIANG SH Q,TANG Q,SONG P,et al. Research onnonlinear load energy measurement method[J]. Journalof Electronic Measurement and Instrumentation,2018,32(4):181-186.
[13]曹笑宇,付娟.电能表检定装置的改进[J].电子测量与仪器学报,2012,26(S1):72-74.CAO X Y,FU J. Electric energy meter calibrating deviceImprovement[J]. Journal of Electronic Measurement andInstrument,2012,26(S1):72-74.
[14]袁强,何乐生,王威廉.一种基于AMI系统的无线三相智能电表的设计[J].电子测量与仪器学报,2013,27(5):473-478.YUAN Q,HE L SH,WANG W L. Design of smart three-phase wireless meter based on AMI system[J]. Journal ofElectronic Measurement and Instrument,2013,27(5):473-478.
[15]唐宇航,范晋伟,陈东菊,等.基于蒙特卡洛模拟的机床关键几何误差溯源方法[J].北京工业大学学报,2017,43(11):1619-1628.TANG Y H,FAN J W,CHEN D J,et al. Robust designfor reducing torque ripple in permanent magnetsynchronous motor[J]. Journal of Beijing University ofTechnology,2017,43(11):1619-1628.