ASUI

The Average Service Unavailability Index (ASUI)[1] is a reliability index commonly used by electric power utilities. It is calculated as

where is the number of customers and is the annual outage time (in hours) for location . ASUI can be represented in relation to SAIDI (where annual SAIDI is given in hours) as

See also

References

  1. Pham, Hoang (8 April 2003). Handbook of reliability engineering. Birkhäuser. p. 514. ISBN 978-1-85233-453-6. Retrieved 21 July 2011.
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