Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/19732
Title: A novel market-based reactive power management scheme
Authors: Lin, XJ
Yu, CW
David, AK
Chung, CY
Wu, H
Xu, N
Keywords: OPF
Power systems deregulation
Reactive power ancillary service management
Issue Date: 2006
Publisher: Elsevier
Source: International journal of electrical power and energy systems, 2006, v. 28, no. 2, p. 127-132 How to cite?
Journal: International journal of electrical power and energy systems 
Abstract: Deeper deregulation in power supply industry has made reactive power ancillary service management a critical task to power system operators from both technical and economic perspectives. This paper proposes a practical market-based reactive power ancillary service management scheme to tackle the challenge. Reactive power ancillary service procurement and settlement issues are addressed in the paper. Least cost solution is applied to ensure optimal reactive power dispatch when procuring reactive power support. The total minimum reactive cost is separated into two components: one is assigned to the generation side while the other to the loading side. Cost responsibility of the loading side is recovered from reactive power charge of the reactive loads taking the amount of reactive power and location into account. On the other hand, cost responsibility of the generation side is equitably allocated to generators according to their different obligations of providing reactive power to support their own active power delivery in a transmission grid. Reactive power cost compensation to a generator is based on the incurred cost of its reactive power contribution less the cost of its obligation to support the active power delivery. Reactive OPF formulation is developed as an analysis tool and the validity of the proposed scheme is examined using a modified IEEE 14-bus system.
URI: http://hdl.handle.net/10397/19732
ISSN: 0142-0615
DOI: 10.1016/j.ijepes.2005.11.007
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