A Practical Approach To Evaluating The Marginal Outage Costs In Generating Systems

Abstract

( i h s t r n c t This paper presents a fornialized and p ra c t i ca I iii a r gi n a I outage costs in generating systems for the piirposes o f spot pricing. The proposed iiictliod Involves cstiniating tlic economic costs incurred by custoniers due to various outage lcvcls aiid the cffccts of load cliangcs on the probabilit ics that these costs will actually be incurred. The utilization of tiie proposed nietliod I n calciilating the marginal outage costs of a slngle generating system Is i l lustrated using the I E E E -Rel iabi l i ty Test Systein. A nuniber o f si i n pl i fy i n g assu i n p ti on s a re a Iso d i sc ussctl i n tli is p:ipcr i n order to sliow how the proposed iiicthod can I)c tailorcd to practical systeni applications. Tlic b:1sic nlct l lodology i s tl1cn cxtencled to two i II t cr con nect cd genera t iiig s ys tcm s i n ordcr to show the iinpact of capacity assistance on the iiiargiiial on1age cost. a p p roach for ca Icu 1 a t i 11 g t 11 c