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Energy and reserve dispatch in a multi-zone electricity market

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3 Author(s)
Xingwang Ma ; Cegelec ESCA Corp., Bellevue, WA, USA ; Sun, David ; Kwok Cheung

Competitive bidding for ancillary services (A/S), in addition to bidding for energy, is increasingly recognized as an important part of electricity markets. In this paper, an LP-based approach is presented for solving the multi-product (i.e. energy and A/S products), multi-zone/area physical market dispatch problem. The approach can explicitly represent various constraints, such as reserve requirement constraints, network security limits, and sharing of constrained resource capacity (e.g. maximum unit generation) between energy and reserve. The joint dispatch method, which dispatches energy and reserve market concurrently, is extended to allow inter-zonal reserve trading in a multi-zone competitive pool. Numerical examples are included to demonstrate the salient characteristics of the joint dispatch solution

Published in:

Power Systems, IEEE Transactions on  (Volume:14 ,  Issue: 3 )