NFAI143-S50橫河模塊
主機箱內係統版,軟盤,硬盤驅動及各種適配器擴展卡等係統部件使用。通俗來講就是,一個電源壞了,另一個備份電源代替其供電。可以通過為節點和磁盤提供電池後援來增強硬件的可用性。
HP 支持的不間斷電源(UPS),如 HP PowerTrust,可提防瞬間掉電。磁盤與供電電路的連接方式應使鏡像副本分別連接到不同的電源上。根磁盤與其相應的節點應由同一電源電路供電。特別是,群集鎖磁盤(當重組群集時用作仲裁器)應該有冗餘電源,或者,它能由群集中節點之外的電源供電。
NFAI143-S50橫河模塊
電源測試中比較重要的有哪些項目?
答:主要有交叉負載,浪涌,輸入電壓,紋波噪音,輸出短路,過功率,轉換效率,功率因數,響應時間,時序,噪音,傳導輻射,漏電流,高低溫測試等。
NFAI143-S50橫河模塊
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SGDH-10AE-Yaskawa Servo Driver
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