基于SPMC75F2413A单片机的智能变频器设计

Intelligent frequency converter on the SPMC75F2413A single-chip microcomputer

基于SPMC75F2413A的智能变频器由主电路、控制电路、检测电路、供电电源电路、通信电路和显示电路组成.主电路由整流、中间滤波、泵升限制和逆变组成,芯片是控制电路的核心部件,检测电路包含过流检测和保护电路、电压检测和保护电路、转速检测电路;软件部分给出了系统主程序流程图和系统控制流程图,并通过试验验证了智能变频器的性能.

The intelligent frequency converter based on SPMC75F2413A is composed of the main, con trol, detection, power supply, communication and display circuits. The main circuit is composed of rectifi- er, intermediate filter, pump lift limiter and inverter. The control chip is the core of the control circuit. The detection comprises overcurrent detection and protection, voltage detection and protection, and speed detection circuits. The performance of intelligent converter is tested with the program and system control flow charts.