针对长期以来基于小波分析的行波保护原理难以在微机保护中实现的问题,提出了基于FPGA+ARM的新型微机保护架构.该组合架构充分利用ARM强大的事务处理能力,完成具有保护判别、通信以及人机对话功能的多任务调度；同时利用现场可编程门阵列(FPGA)可以实现高速并行计算的特点,完成复杂的实时小波分析.试验证明,这种方案可以很好地实现微机行波保护,从而为输电线路超高速保护提供了解决方案.%To solve the problem that the traveling wave protection principle based on wavelet analysis is difficult to be implemented in microcomputer protection,the new microcomputer architecture based on FPGA+ARM is proposed.This composite architecture fully adopts the strong transaction processing capability to complete the multiple task dispatch for functions of protection discrimination,communication and man machine dialogue ; and adopts the features of FPGA for high speed parallel computing to complete complex real time wavelet analysis.The test proves that this scheme can well realize microcomputer traveling wave protection,and provide solution of ultrahigh speed protection for transmission lines.
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