阀控式密封铅酸蓄电池在南水北调中线干线通信电源系统中的应用

Application of the VRLA Battery in the Telecommunication Power System in the Middle Route of the South-to-North Water Diversion Project

阀控式密封铅酸蓄电池（VRLA）作为自动化调度系统通信电源系统不间断供电的保障，在南水北调中线干线工程运行中起着至关重要的作用。阐述了自动化调度系统对VRLA的需求，给出了VRLA的选用原则，并对VR—I。A的主要参数进行了详细地解析。

As the protection of Communication power system for uninterrupted power supply in the Automation Dispatch System,The VRLA Battery Played a vital role for the Middle Route of South-to-North Water Diversion Project. It described the requirements, proposed the selection principles and carried out a detailed analysis about the primary parameters of the VRLA.