Allocating the costs of reactive power purchased in an ancillary service market by modified Y-bus matrix method

In an open accessed transmission system, the costs of each ancillary service will be unbundled. This paper proposes a straightforward method of allocating the costs of reactive power purchased by contract or from a bidding market. This method uses basic circuit theory and partitions the Y-bus matrix...

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Bibliographic Details
Published in:IEEE transactions on power systems 2004-02, Vol.19 (1), p.174-179
Main Authors: Chu, W.-C., Chen, B.-K., Liao, C.-H.
Format: Article
Language:English
Subjects:
Ancillary services
Circuit theory
Contracts
Costs
Equations
Markets
Mathematical analysis
Matrix decomposition
Power transmission lines
Propagation losses
Reactive power
Transmission line matrix methods
Voltage
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Summary:In an open accessed transmission system, the costs of each ancillary service will be unbundled. This paper proposes a straightforward method of allocating the costs of reactive power purchased by contract or from a bidding market. This method uses basic circuit theory and partitions the Y-bus matrix to decompose the voltage of the load buses with a view to calculating the reactive power sharing. This method is derived from the system equations without such assumptions as the proportional flow or lossless transmission line.
ISSN:0885-8950
1558-0679
DOI:10.1109/TPWRS.2003.821425