Used together with SD-LJD (LXK) series ZCT and executing relay to form a complete zero sequence (ground) protection system.

配合SD - LJD (LXK)系类零序电流互感器和动作继电器即组成完整的零序(接地)保护系统。

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For backup protection against high resistive ground faults, there will be a dual polarized directional overcurrent relay, inverse time with instantaneous trip attachment.

对于后备保护装置防止高阻抗接地故障，将配置一只双极方向过电流继电器，同瞬时跳闸附件的时间成反比。

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This paper Outlines the computer monitoring system and relay protection system of Shuiquan Bay pumping station for level ground water diversion project, and system configuration and main function.

概述了坪上输水工程水泉湾泵站的计算机监控系统、继电保护系统以及系统的配置和主要功能。

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