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| 摘要: |
| 介绍了用PC机组成的电能质量分析仪的整体构成,信号预处理卡的基本电路设计，数据采集板的基本软、硬件结构及整修系统的软件设计。它可同时实现多通道信号的整周期采样、存储、分析处理，将结果以图形方式输出，也可存储在数据文件中调用，与常规方式相比，不仅操作简单，性能可靠，且尽有较高的精度。该测试系统已成功地用于分频输电系统的动态模拟试验及三部频变压器的试验研究。 |
| 关键词: 电能质量分析仪 PC机 信号处理卡 数据采集板 设计 |
| DOI： |
| 分类号:TM933.409 |
| 基金项目: |
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| Design and Implementation of Power Line Harmonic Analyzer Based on Industrial PC |
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WANG Jian hua BIE Zhao hong WANG Xi fan
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| Abstract: |
| A power line harmonic analyzer based on industrial PC is introduced.The system structure,the basic circuit design of signal pre processing card,the basic HW and SW composition of data acquisition card,and the system software design are described.Based on the base frequency it can sample several signals on multi channels.It stores,analyzes and processes them,the results can be displayed in diagrams,or saved as data file for further use.Compared with the traditional analyzer,it is simple in operation,reliable in performance and excellent in accuracy.The analyzer is successfully used in the dynamic simulative tests of fractional frequency transmission system and the tripler test and study. |
| Key words: data acquisition,frequency composition,harmonic analysis |
