【摘要】 DSP数字信号处理能力强、运算速度快、片内外设丰富,CPLD长于接口电路扩展、时序控制、地址译码,以太网通信技术已经成为微机保护通信的新标准。基于这些最新技术的发展,文中研制了一套针对于中低压线路的双CPU结构的微机线路保护装置。文中详细介绍了该套装置的各个硬件模块单元的功能特点、软件流程图以及所采用的将半波傅氏算法和Mann- Morrison算法相结合的快速算法。该套装置已投入实际运行,效果良好。更多还原

【Abstract】 The DSP chip has powerful digital signal processing ability,high operation speed and abundant peripheral equip- ments.The CPLD chip specializes in interface expanding, time sequence controlling and address coding,ethernct has be- come the new communication standard of microcomputer relay protection.Based on these new technologies,one set of micro- computer relay protection device aims at the medium and low voltage transmission line is designed.The functions of every hardware module,software flow chart and adopted fast algo- rithm which integrates the half-wave Fourier algorithm and Mann-Morrison algorithm are introduced.The device has been put into application and generated good effect.更多还原