国产数字式保护发展的新特点

The New Features in the Development of Home Made Digital Protection

自１９８７ 年 Ｗ Ｘ Ｂ０１ 型微机高压线路保护在现场正式投入运行以来，国产数字式保护经历了若干次更新换代。在此分析了当前我国数字式保护技术发展的一些新特点，并对数字式保护的几个关键技术的实现方法进行了比较。

The home made digital protection has passed through several eras since the first home made digital protection WXB 01 Microprocessor Based HV Line Protection was first put into operation on electric power system in 1987. Some new features in the development of home made digital protection are discussed in this article, and some methods of the realization of a few key technique are also compared.