| 基于ARM的多功能三相电能质量在线监测器 |
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| 引用本文： | 周文委,翁国庆,张有兵. 基于ARM的多功能三相电能质量在线监测器[J]. 浙江工业大学学报, 2012, 40(2): 213-216 |
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| 作者姓名： | 周文委 翁国庆 张有兵 |
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| 作者单位： | 浙江工业大学信息工程学院,浙江杭州,310032 |
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| 基金项目： | 浙江省自然科学基金重点资助项目(Z1110893) |
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| 摘 要： | 以AT91M55800A为核心部件,设计了多功能三相电能质量在线监测器.监测器硬件主要由模拟量采集电路、数据存储模块、显示与键盘模块和报警模块构成.设计了自动增益控制电路用于三相电流采集,保证测量精度.监测器软件采用模块化、任务驱动设计方法,保证了系统运行的可靠性和功能的可扩展性.采用FAFT算法计算三相电网各次谐波,提高了谐波数据的准确度.监测器配合上位机软件,具有远程控制功能.
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| 关 键 词： | 电能质量 在线监测 自动增益控制 谐波 |
Online monitor of multifunction three-phase power quality based on ARM |
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| ZHOU Wen-wei , WENG Guo-qing , ZHANG You-bing. Online monitor of multifunction three-phase power quality based on ARM[J]. Journal of Zhejiang University of Technology, 2012, 40(2): 213-216 |
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| Authors: | ZHOU Wen-wei WENG Guo-qing ZHANG You-bing |
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| Affiliation: | (College of Information Engineering,Zhejiang University of Technology,Hangzhou 310032,China) |
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| Abstract: | A online monitor of multifunction three-phase power quality taking AT91M55800A as MCU is designed.The device hardware is composed of analog data acquisition circuit,data storage module,display and keyboard module and alarming module.In order to ensure the measurement accuracy,automatic gain control circuit is designed for three-phase current acquisition.In order to guarantee the reliability of system and the scalability of function,modular programming method and task-driving design method are used in the software of monitor.The FAFT algorithm is used to calculate the harmonics of three-phase power network.and the harmonic measurement accuracy is improved.The monitor with the PC software enables remote control function. |
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| Keywords: | power quality online monitoring automatic gain control harmonic |
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