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customer average interruption duration index (CAIDI)

Customer Average Interruption Duration Index (CAIDI) is a measure of the reliability of electricity

supply. The CAIDI value is the average interruption duration

, i.e. the time during which the electricity customer does not receive any electricity

. Theaverage interruption duration is calculated from the ratio of the System Average Interruption Duration Index (SAIDI) and the System

Average Interruption Frequency Index (SAIFI) and usually refers to a period of one year

. TheCAIDI value is given in minutes, while

the SAIDI value is defined in IEEE Standard 1366 of 1998.

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Englisch: customer average interruption duration index - CAIDI
Updated at: 17.02.2013
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