高压短距离输电线的继电保护方式是一个困难而急待解决的问题。
To Protect very short high voltage transmission lines is a difficult and urgent Problem.
继电保护的基本原理和构成方式。
继电保护中隐性故障以不正确的和不期望的方式切除电力系统元件造成电力系统大面积扰动。
It was found that hidden failures in protection schemes caused the disconnection of power system elements in an incorrect and undesirable manner contributing to the disturbance degradation.
虽然继电保护的可靠性和灵敏度等都很高，但是它采用的触点控制方式，将会被软件控制方式所取代。
Although relay protection owns high reliability and sensitivity, it adopts the ways of touch-dot control, which will be substituted by the methods of software control.
长期以来，继电保护设备的维修方式是按以定期性检验为主，事后维修为辅的原则而进行的。
For a long time, the maintenance mode of relay protection equipments is based on the principle of mainly periodical inspection, supplemented by break maintenance.
按电磁式继电保护及常规操作方式的变电站建设模式逐渐被淘汰。
The substation construction mode according to electromagnetic relaying and conventional operational way is being given up.
目前电力系统的运行方式复杂、变化频繁，给继电保护的运行分析带来很大的困难。
The current operation manner of the power system is complicated and changes frequently, causing great difficulty in the analysis of operation of relay protection.
目前电力系统的运行方式复杂、变化频繁，给继电保护的运行分析带来很大的困难。
The current operation manner of the power system is complicated and changes frequently, causing great difficulty in the analysis of operation of relay protection.
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