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The System Average Interruption Duration Index (SAIDI) is commonly used as a reliability indicator by electric power utilities. SAIDI is the average outage duration for each customer served, and is calculated as: where is the number of customers and is the annual outage time for location , and is the total number of customers served. In other words, SAIDI is measured in units of time, often minutes or hours. It is usually measured over the course of a year, and according to IEEE Standard 1366-1998 the median value for North American utilities is approximately 1.50 hours. ==See also== * ASAI * ASIDI * ASIFI * ASUI * CAIDI * CAIFI * CTAIDI * MAIFI * SAIFI 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「SAIDI」の詳細全文を読む スポンサード リンク
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