Development of a new loss allocation method for a hybrid electricity market using graph theory

This paper introduces a new method for allocating losses in a power system using a loop-based representation of system behaviour. Using the new method, network behaviour is formulated as a series of presumed power transfers directly between market participants. In contrast to many existing loss allo...

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Bibliographic Details
Published in:Electric power systems research 2009-02, Vol.79 (2), p.301-310
Main Authors: Lim, Valerie S.C., McDonald, John D.F., Saha, Tapan K.
Format: Article
Language:English
Subjects:
Applied sciences
Bilateral transactions
Counter flow
Electrical engineering. Electrical power engineering
Electrical power engineering
Exact sciences and technology
Loop method
Miscellaneous
Operation. Load control. Reliability
Power flow tracing
Power networks and lines
Transmission loss allocation
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Summary:This paper introduces a new method for allocating losses in a power system using a loop-based representation of system behaviour. Using the new method, network behaviour is formulated as a series of presumed power transfers directly between market participants. In contrast to many existing loss allocation methods, this makes it easier to justify the resulting loss distribution. In addition to circumventing the problems of non-unique loss allocations, a formalised process of loop identification, using graph theory concepts, is introduced. The proposed method is applied to both the IEEE 14-bus system and a modified CIGRE Nordic 32-bus system. The results provide a demonstration of the capability of the proposed method to allocate losses in the hybrid market, and demonstrate the approach's capacity to link the technical performance of the network to market instruments.
ISSN:0378-7796
1873-2046
DOI:10.1016/j.epsr.2008.06.018