CAIFI

The Customer Average Interruption Frequency Index (CAIFI)^[1] is a popular reliability index used in the reliability analysis of an electric power system.^[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.

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

References

^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
^ Power Distribution Planning Reference Book, H. Lee Willis, published by CRC Press, 2004, page 112

[1] Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).

[2] Power Distribution Planning Reference Book, H. Lee Willis, published by CRC Press, 2004, page 112

[1]

[2]

v t e Reliability indices
Generic	MTBF MTTR FOR EFOR
Electricity distribution	ASUI ASAI CAIDI/SAIDI CAIFI/SAIFI MAIFI CTAIDI
Electricity generation	LOLP LOLE LOLEV LOLF LOLH

CAIFI

References

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