Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/17582
Title: Determination of AGC capacity requirement and dispatch considering performance penalties
Authors: Zhao, XS
Wen, FS
Gan, DQ
Huang, MX
Yu, CW
Chung, CY
Keywords: Ancillary services
Automatic generation control (AGC)
Deregulation
Electricity market
Penalty rates
Tie-line power flow
Issue Date: 2004
Publisher: Elsevier
Source: Electric power systems research, 2004, v. 70, no. 2, p. 93-98 How to cite?
Journal: Electric power systems research 
Abstract: A continuous and near instantaneous balance between generation supply and load demand must be maintained in power system operation. As a kind of regulation reserve, automatic generation control (AGC) is widely employed for maintaining system security and reliability, especially for controlling frequency deviation and supporting commercial transactions. In a competitive electricity market, AGC services are either contracted via negotiations between the market operator and generation companies concerned, or procured via a certain form of auction. A new framework to determine AGC capacity requirement and to deal with regulation dispatch under uncertain demand in a competitive electricity market is presented in this paper. First, the stochastic characteristics of AGC capacity requirement and services are analyzed. A stochastic optimization decision-making model for determining optimal AGC capacity requirement is then developed, followed by a pricing analysis which reveals that a trade-off between economic efficiency and system security must be made by the market operator. Finally, an optimal AGC dispatch algorithm is suggested. A numerical study is given to further demonstrate the essential features of the proposed model and method.
URI: http://hdl.handle.net/10397/17582
ISSN: 0378-7796
EISSN: 1873-2046
DOI: 10.1016/j.epsr.2003.11.004
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