11型微机相间距离保护用作远后备的优越性及重要性

The Advantage and Importance of Type 11 Microprocessor Based Phase Spacing Protection Used as Far Ranging Back up Relaying

对常规相间距离保护和微机相间距离保护进行了比较 ,详细分析了微机相间距离保护阻抗特性与常规相间距离保护的不同之处 ,并用具体例子进行计算分析。

The article compares the conventional phase spacing protection with microprocessor based phase spacing protection, analyzes the difference between them, and takes some instances for calculation. With the results the article describes the advantage and importance of microprocessor based phase spacing protection used as far ranging back up relaying of adjacent devices.