A wide area relaying protection algorithm based on longitudinal comparison principle is proposed.
提出了基于纵联比较原理的广域继电保护算法。
Mathematical analysis is made of its working principle and relaying sensitivity, and comparison with other version is given.
文中就其工作原理及灵敏度等进行了数学分析，并与三次谐波式的其它方案在理论上进行了比较探讨。
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