【摘要】 介绍了高频通道在方向高频保护中的构成特点、发生故障的原因以及运行维护注意事项,指出定期通道试验的重要性;只有对其原理作深入了解,才能保证高频保护正确可靠动作.更多还原

【Abstract】 ABSTRACT: It is introduced that the structure of high ?frequency access being in direction protection and the reason of going wrong. The function maintenance proceeding. Poing out the value of the termly experimentation. Nothing but impenetrate acquaintancing theoerm of high ?frequency protection. we can undertake the validity secure exit.更多还原