摘要
介绍了电网电能谐波检测算法,设计了一种基于ARM Cortex-M3内核的32位处理器STM32F103VBT6和ADE7758检测电能质量的嵌入式系统设计方案,将μC/OS-II嵌入式操作系统移植到STM32F103VBT6,利用ADE7758获得三相电流、电压值、功率因数等电网参数;利用处理器内置的A/D,运用FFT算法进行谐波计算分析,将所测数据实时存储至SD卡,可触控的TFT液晶显示模块提供良好的人机交互,2.4G无线通信模块和GPRS模块可实现检测设备间的数据交换和数据的实时远程传输。实验表明,系统能够检测电网的电能质量,具有一定的实用价值。
The power harmonic detection algorithm was introduced, and the power quality detection embedded system based on the ARM Cortex-M3 core 32-bit processor STM32F103BVT6 and ADE7758 was designed, using the embedded real-time operating system μC/OS-Ⅱ in the software, using ADE7758 to obtain three phase currents, voltages, power factor and other electricity parameters, using buih-in A/D and FFT algorithm for harmonic analysis, the measured data storage to the SD card, the TFT touch LCD provides a good human-computer interaction , 2.4G wireless communication module to exchange the data among the detection equipments, the GPRS module to realize the datd s remove transmission. The experiment shows that the system can detect the power quality, has a certain practical value.
出处
《电气传动》
北大核心
2013年第9期32-34,37,共4页
Electric Drive
基金
安徽大学江淮学院院级科学研究项目资助(2011KJ0002)
关键词
嵌入式系统
快速傅里叶变换
电能质量
检测
无线通信
embedded system
fast Fourier fransform
power quality
detection
wireless communication
