Assume that a utility's system consists of two feeders: feeder 7075 serving 2000 customers and feeder 8050 serving 4500 customers. Annual outage data during 2010 is given in Table 14.6 and 14.10 for these feeders. Calculate the SAIFI, SAIDI, CAIDI, and ASAI for the system, excluding the major event.

Table 14.10:-

Table 14.6:-

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TABLE 14.10 Customer Outage Data for Problem 14.13 Number of Outage Time at Beginning Outage Duration Customers Date of Outage (minutes) Circuit Interrupted 1/15/2010 01:24:20 14.4 8050 342 4/4/2010 08:14:20 151.2 8050 950 7/08/2010 07:15:46 89.8 8050 125 9/10/2010 15:45:39 654.6 8050 15 10/11/2010 07:40:59 32.7 8050 2,200 11/04/2010 22:30:00 10,053* 8050 4,000* 12/01/2010 14:18:07 40 8050 370