Abstract
The restructuring of the electricity industry has caused an increase in the number of transactions in the energy market. These transactions are defined by market forces without considering operational constraints of the transmission system. Consequently, there are transactions that cause congestion in the transmission network. This paper has as objective to assess the impact of phase shifting transformer on the reliability of power transactions. This assessment is based in reliability indices such as expected power curtailments, curtailment probability and expected cost of congestion management. Furthermore, Well-Being indices for a set of transactions have been evaluated. Tests results with IEEE RTS-1996 demonstrate that the phase-shifting transformers decrease the transaction curtailment and the costs associated with congestion management.
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