【摘要】 介绍了一种新型电力机车电能计量系统。以DSP(TMS320F2407A)作为微处理器实现数据处理和控制,用CPLD对各种控制逻辑进行有效管理,采用专用电能计量芯片CS5460A对电能进行高精度计量,无线通信方式实现远程抄表,具有液晶显示、数据备份、键盘操作、电源管理等功能,能进行0~31次频谱分析。实验表明,其计量精度高达0.2级。更多还原

【Abstract】 A new electric energy metering system for electric locomotive is introduced.The DSP TMS320F2407A is used as microprocessor to realize data processing and control,and CPLD as an integrated unit to manage all kinds of control logic with high efficiency,the special-use CS5460A is used as a main metering chip to realize high accurate metering and the wireless communication method is taken to carry out remote meter reading.The system has functions as liquid crystal display,data copy,keyboard operation,power management,0～31 order harmonic frequency spectrum analysis and so on.Tests show that the measurement accuracy is 02 class.更多还原