基于PIC16F877同步发电机励磁控制系统研究

介绍了基于PIC16F877单片机的同步发电机自并励微机励磁控制系统工作原理、主要功能、硬件及软件设计。通过PIC16F877内部A／D转换器，对发电机出口端电压、电流，励磁电压、电流进行准确测量。通过改进型PID调节得到精确的控制信号输出，并利用PIC的SPI方式和MCP2510实现CAN通信。仿真结果表明，基于PIC16F877的微机励磁控制系统动态响应快，控制精度高，性能优良。

Research on Synchronous Generator Excitation Control System Based on PIC16F877

A microcomputer control system for synchronous generator self excitation based on PIC16F877 is introduced and its working principle, main functions, hardware structure and software design are discussed in this paper. The generator outlet voltage and current, excitation voltage and current are exactly measured by the A/D converter of PIC16F877. The precise output of control signal is obtained by reformative PID regulating. The CAN communication is achieved by SPI mode of PIC and MCP2510. The simulation results indicate that the new PIC16F877 excitation control system has better dynamic response and high precision.