Optimal determination and allocation of secondary frequency control reserve in a market environment considering ACE criteria /

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2014

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Geren, Ali

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Frequency control in Turkey is realized under four main tasks, namely; primary, secondary, tertiary frequency control and time control according to European Network of Transmission Operators for Electricity (ENTSO-E) regulations. As being a part of an interconnected electricity network, secondary frequency control mechanism, which is realized by the utilization of an Automatic Generation Control (AGC) System, plays a crucial role in the achievement of two important goals. One of them is maintaining the frequency at the nominal value while the other one is keeping the active power flow through interconnection lines at scheduled values. Challenge of achieving these two goals originates from the existence of rapidly vi changing loads which create significant deviations in the frequency of the network and undesired power flows on tie lines. In this thesis study, an iterative algorithm to determine the amount of reserve with minimum cost while satisfying the ENTOE-E criteria regarding Area Control Error (ACE) is developed. Cost minimization of the reserve support is conducted based on the price bids of the power plants participating in AGC system in the day-ahead electricity market. Satisfaction of ACE criteria is validated by dynamic simulations of a simplified ENTSO-E dynamic model including governor settings of the machines. As a result of these studies, amount of reserve to be held on an hourly basis is determined in a systematical way. Furthermore, allocation of fast and slow responsive reserve groups is determined for the use of system operators in National Dispatch Center.

Subject Keywords

Electric power transmission., Electric power systems., Electric power distribution., Electric power systems

URI

http://etd.lib.metu.edu.tr/upload/12617886/index.pdf
https://hdl.handle.net/11511/23999

Collections

Graduate School of Natural and Applied Sciences, Thesis

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Citation Formats

A. Geren, “Optimal determination and allocation of secondary frequency control reserve in a market environment considering ACE criteria /,” M.S. - Master of Science, Middle East Technical University, 2014.