Average Service Availability Index

The Average Service Availability Index (ASAI)[1][2] is a reliability index commonly used by electric power utilities. ASAI is calculated as

where is the number of customers and is the annual outage time (in hours) for location . ASAI can be represented in relation to SAIDI (when the annual SAIDI is given in hours, 8760 is the number of hours in a year)

References

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  1. ^ Yeddanapudi, Sree. "Distribution System Reliability Evaluation". Iowa State University. Archived from the original on 26 December 2011. Retrieved 18 June 2011.
  2. ^ Pham, Hoang (8 April 2003). Handbook of reliability engineering. Birkhäuser. p. 514. ISBN 978-1-85233-453-6. Retrieved 21 July 2011.