Abstract
In this paper, a new proposal for the charging of transmission losses under the new trading arrangements is reported. It is based on power-flow tracing techniques that determine the power contributions of consumers in line power flows throughout the whole network. Since, producers supply a consumer through the transmission paths considering Kirchoff's laws, it is obvious that the actual paths are not strongly correlated with the contractual paths. This means that instead of financial paths, only the actual power-flow paths should be considered when calculating the transmission-service price. Power-flow data from previous years can be utilized for this purpose, thus operating states of the Slovenian power system were statistically analysed. The analysis showed a constant pattern of power-flow shares in lines to consumers, which can be utilized in ex-ante transmission pricing for a network. Since, the new approach reflects the characteristics of transaction- and non-transaction-based methods it combines their benefits, too.
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More From: International Journal of Electrical Power and Energy Systems
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