理士蓄电池12V75AH理士12V75AH

理士蓄电池12V75AH理士12V75AH

理士蓄电池12V75AH理士12V75AH

环保部日前宣布，将2014年世界环境日中国主题为“同呼吸共奋斗”，旨在推进以防治PM2.5为重点的大气污染防治工作；倡导全社会群策群力，共同行动，积极参与到防治大气污染的行动中来。
从环保部发布的一季度空气质量状况显示，今年1-3月份，中国74个城市总体达标天数比例为44.4%，首要污染物为PM2.5、PM10，其中PM2.5平均超标率为49.1%，PM10平均超标率为33.6%。表示，除了天气原因以外，此次重污染根本原因还是污染物排放大，其中，日常发电、工业生产以及汽车尾气等带来的污染物，是造成城市空气污染的主要原因。在我国大力发展信息化建设的，数据中心成为城市能耗“大户”，在全球IT总能耗中，数据中心就占到了40%。随着产业的快速发展，数据中心的节能减排不仅关乎经济效益，更关乎社会效益。
如何衡量数据中心能耗
能源使用效能值（PUE）是国际公认的衡量数据中心节能减排的一个重要指标。据新的报道，国外先进的数据中心的PUE值可以达到1.06，而我们国家IDC的PUE平均值则在2.5以上，这意味着IT设备每耗一度电，就有多达1.5度电被数据中心的基础设施所消耗，这一现象在中小规模数据中心中更为严重，通常其PUE的测量值普遍在3左右。这表明有大量的电能被消耗在供电系统、制冷系统等基础设施上，而用于IT设备中的电能仅为总耗电的33%。
对于影响数据中心PUE值的供电、制冷两大基础设施而言，供电系统的能效是问题的根本，因为供电系统的低效加剧了制冷系统的负担，双倍地导致了PUE指标的攀升。而数据中心所有营运负载几乎都是通过UPS电源来供电的，如何挖掘UPS系统的工作效率，将是快速改善数据中心供电系统乃至整个数据中心PUE指标的核心途径。
改变UPS工作模式实现节能降耗

额定容量 Nominal Capacity (AH)外形尺寸 Dimension (mm)端子形式 Terminal

20HR10HR5HR3HR1HR长(±1)宽(±1)高(±1)总高(±1)

1.80V/Cell1.80V/Cell1.75V/Cell1.75V/Cell1.67V/CellLengthbbbbbHeightTotalHeight

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