woodward 9907-205 交流电压继电器

电压继电器，类型XU2-AC，专业线，是一个数字测量继电器二线、三线和四线系统的监督。它保护了发电机和消费者或一般设备抗不允许过电压或欠电压，并可用于低压电压和中压系统。

此外，还可以监督相序。与传统的保护设备相比，PROFESSIONAL LINE的所有继电器都体现了数字保护技术的优越性，具有以下特点:

•数字数据处理，测量精度高

•故障指示通过led

•极宽的工作范围的电源电压由通用宽量程电力供应

•非常精细的分级宽设置范围

通过串行接口适配器XRS1与过程管理系统进行数据交换哪些可以改造

•RMS -测量极短的响应时间

•紧凑设计的smd技术除此之外，XU2-AC继电器还具有以下特殊功能:

•不同的开关迟滞可调

•过压/欠压监控的脱扣时间单独可调

•相序监督可切换

•测量相对中性点或相对相电压可能

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