Treffer: 畸变信号条件下电能计量实验仪设计.
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An electric measuring experimental apparatus based on DM3730 is designed on the basis of studying a new method of electric energy measurement on the condition of distorted signals. It verifies the rightness of the method. Hardware system structures are built based on a design method of on-chip dual-core CPU architecture and shared memory data. The working principles are expounded. Experiment instrument software system is designed and the wavelet frequency band power measurement algorithm is implemented using C programming language. On the experimental instrument, make the measure power experiment for the electric network distortion typical signals, the experimental results verify the correctness of energy measurement method under the distortion signal and the real time of sub-band wavelet transform algorithm. It provides a certain reference value for further research on electric energy metering under the condition of distortion signal device. [ABSTRACT FROM AUTHOR]
针对目前电能计量存在的问题,在研究畸变信号条件下电能计量新方法的基础上,设计了基于DM3730的畸变信号条件下电能计量实验仪,验证了畸变信号条件下电能计量新方法的正确性.采用片上双CPU架构与片内共享内存数据的设计方法,搭建了硬件系统结构,阐述了其工作原理.设计了实验仪的软件系统,使用C编程实现小波分频带测量功率算法.最后在实验仪上对电网典型畸变信号进行功率测量实验,实验结果表明畸变信号条件下电能计量实验仪的准确度高及小波分频带测量算法的实时性好,为深入研究畸变信号条件下电能计量装置提供了一定的参考价值. [ABSTRACT FROM AUTHOR]
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