| 基于C8051F120的数字式电能质量表设计与实现 |
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| 引用本文： | 于庆广,郭彦,边霄,许寅,申深.基于C8051F120的数字式电能质量表设计与实现[J].电气应用,2008,27(4):82-85. |
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| 作者姓名： | 于庆广 郭彦 边霄 许寅 申深 |
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| 作者单位： | 清华大学电机工程与应用电子技术系,100084 |
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| 基金项目： | 清华大学SRT项目支持(061T0147) |
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| 摘 要： | 研制了一种基于高档单片机C8051F120的电能质量表,介绍了硬件、软件和算法的实现方案。该装置直接从被监测的电网取用电源,对三相电压、电流信号进行采集分析,计算出频率、电压有效值、电流有效值、有功功率、无功功率、视在功率、功率因数、直流分量、谐波幅值和总谐波畸变率等电能指标,可以通过液晶实时显示测量结果,也可以通过RS485网络实现联网运行。
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| 关 键 词： | 电能质量表 实时监测 高档单片机 |
| 修稿时间： | 2007年7月12日 |
Design and Accomplishment of Digital Power Quality Meter Based on C8051F120 |
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| Yu Qingguang.Design and Accomplishment of Digital Power Quality Meter Based on C8051F120[J].Electrotechnical Application,2008,27(4):82-85. |
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| Authors: | Yu Qingguang |
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| Affiliation: | Tsinghua University |
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| Abstract: | The hardware and software implementation of an electrical power quality monitoring device based on High-Speed Mixed-Signal ISP FLASH MCU C8051F120 is introduced.Using the monitored utility as its power source,the device is capable of sampling and analyzing the three-phase voltage and current,calculating frequency,Vrms of voltage and current,power,var,power factor,DC components,the amplitude and phase of the harmonics and distortion factor.Moreover the results are displayed on the device panel or transmitted to through RS485 network. |
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| Keywords: | power quality real-time monitoring C8051F120 |
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