摘要
分析了影响交流采集精度的几个主要因素和相应解决方案,提出了以MAX11046型A/D转换芯片和TMS320F28335型浮点数字信号处理器为硬件平台的设计方案。结果表明,该设计方案的电压、电流测量精度可达到千分之一,功率的测量误差在千分之三以内,频率测量误差在万分之五以内。
Analysis was made to the several factors affecting AC collection accuracy and the corresponding solutions. The design plan, which took the A/D converter, MAX11046 and the float-point digital signal processor, TMS320F28335 as the hardware platform, was put forth. The resuits show that voltages and currents measurement accuracy of the designed plan reaches one-thousandth, the error accuracy of power is less than three-thousandth and the error accuracy of frequency is less than 0.05 percent.
出处
《电工电气》
2009年第8期50-51,共2页
Electrotechnics Electric
