CAIFI

The Customer Average Interruption Frequency Index (CAIFI)^[1] is a popular index used in electrical reliability analysis.^[2] It is designed to show trends in customers interrupted and helps to show the number of customers affected out of the whole customer base.

$\mbox{CAIFI} = \frac{\mbox{Total Number of Customer Interruptions}}{\mbox{Number of Distinct Customers Interrupted}}$

References

↑ Yeddanapudi, Sree. "Distribution System Reliability Evaluation". Iowa State University. Retrieved 18 June 2011.
↑ Power Distribution Planning Reference Book, H. Lee Willis, published by CRC Press, 2004, page 112

See also

ASAI
ASIDI
ASIFI
ASUI
CAIDI
CAIFI
CTAIDI
MAIFI
SAIDI
SAIFI

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