一种高精度的电能质量监测系统
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TM930.9

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High precision power quality monitoring system
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    摘要:

    研究和设计完成了一套DSP+PC架构的电能质量监测管理系统。系统不但可以准确地检测稳态电能质量,并且对暂态扰动可以精确地进行定位和识别。对涉及的电能质量指标算法(FFT算法、小波变换的Mallat算法和IEC闪变检测算法)进行了建模仿真。硬件平台以TMS320F2812DSP为核心,采用硬件锁相环自适应调整采样率技术,减小了频谱泄露和栅栏效应;在CCS3.3环境下开发监测终端程序;在VB6.0环境下开发监测中心界面。采用Modbus通信协议,通过RS232总线实现数据通信。系统进行了测试和联调,综合调试实验证明,系统稳定可靠、操作方便,上位机监控界面简洁明了。整个系统运行状况良好,各项性能指标均达到预定要求,实现了预期的设计目标。

    Abstract:

    The project has studied and designed a monitoring and management system for power quality. The designed system adopts the new architecture based on DSP+PC. Through researching the newly national power quality standard and analytic method for power quality, the relevant power quality algorithms containing FFT, wavelet transformation and IEC are simulated by the tool of MATLAB. The hardware platform takes the DSP of TMS320F2812 as core, besides, the technology of hardware PLL greatly reduces the spectrum leakage and fence effect.The monitoring terminal program is completed with development environment CCS3.3. The monitoring center interface is developed with Visual Basic, and receives communication data from the terminal unit through RS232 based on Modbus communication protocol.After debugging and experiment, the designed system is stable and reliable . The system runs well and the project has reached the expected design aims.

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夏建生,赵进全,杨涛.一种高精度的电能质量监测系统[J].电子测量技术,2016,39(1):134-141

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  • 在线发布日期: 2016-03-01
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