• Likhitha R
• Manjunatha A

Electricity is one of the greatest technological innovations of mankind. Though the electricity plays an important role, the reliability analysis also gains the equal importance in power distribution system. Reliability analysis is performed to evaluate, anticipate, and collate reliability indexes for various reliability improvements. This information helps engineers and managers at electric utility organizations to decide how to spend the money to improve reliability of the system by identifying the most effective actions/ reconfigurations. Reliability is affected by the following Variable loading, Switch/protective device placement, Switch operation times, Available alternative feeders, Equipment current limits, Equipment failure rates, Equipment repair times etc. Such typical substation outage events can contribute up to 20% of customer interruptions. The basic indices associated with indices such as System Average Interruption Frequency Index (SAIFI), System Average Interruption Duration Index (SAIDI), Customer Average Interruption Frequency Index (CAIFI), Customer Average Interruption Duration Index (CAIDI), Average Service Availability /Unavailability Index (ASAI), Energy Not Supplied (ENS) and Average Energy Not Supplied (AENS).

Distribution system, SAIFI, SAIDI, CAIFI, CAIDI, ASAI, ENS, AENS

"Reliability Analysis in Distribution system ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 5, page no.157-166, May 2019, Available :http://www.jetir.org/papers/JETIRCR06034.pdf

"Reliability Analysis in Distribution system ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 5, page no. pp157-166, May 2019, Available at : http://www.jetir.org/papers/JETIRCR06034.pdf