| 基于P89V51RD2的功率因数测量仪设计 |
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| 引用本文： | 张美琪,胡国文,周格伦,鲁通.基于P89V51RD2的功率因数测量仪设计[J].国外电子元器件,2009(12):37-40. |
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| 作者姓名： | 张美琪 胡国文 周格伦 鲁通 |
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| 作者单位： | 盐城工学院电气工程学院; |
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| 摘 要： | 设计一种基于P89V51RD2的功率因数测量仪，采用光电隔离器和专用数码管驱动器。该测量仪是以增强型单片机P89V51RD2为核心，大大简化系统硬件设计。而软件部分采用模块化设计思想，采用中值滤波和小数补偿算法，实现功率因数的高精度测量。实验测试表明，该功率因数测量仪测量精度高，运行稳定可靠。
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| 关 键 词： | 功率因数测量仪 单片机 P89V51RD2 光电隔离器 |
Design of power factor measurement instrument based on P89V51RD2 |
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| ZHANG Mei-qi,HU Guo-wen,ZHOU Ge-lun,LU Tong.Design of power factor measurement instrument based on P89V51RD2[J].International Electronic Elements,2009(12):37-40. |
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| Authors: | ZHANG Mei-qi HU Guo-wen ZHOU Ge-lun LU Tong |
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| Affiliation: | ZHANG Mei-qi,HU Guo-wen,ZHOU Ge-lun,LU Tong(College of Electrical Engineering,Yancheng Institute of Technology,Yancheng 224051,China) |
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| Abstract: | A power-factor measurement instrument based on P89V51RD2 is designed,which uses optical coupler and specific LED drive chip.The power factor measurement instrument uses P89V51RD2 as a core of which greatly simplifies the system design.Furthermore,modularization software is developed in detail.The high precision power-factor measuring system is realized by the center value filter and fractional compensation algorithm.Experiments manifests that the powerfactor measurement instrument is high precision,steady a... |
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| Keywords: | power-factor measurement instrument MCU P89V51RD2 optical coupler |
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