ملاحظات اقتصادی در مورد ترکیب کنترل نیروگاه سیکل در بازارهای منفک
|کد مقاله||سال انتشار||تعداد صفحات مقاله انگلیسی||ترجمه فارسی|
|15078||2006||9 صفحه PDF||سفارش دهید|
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Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)
Journal : International Journal of Electrical Power & Energy Systems, Volume 28, Issue 4, May 2006, Pages 284–292
Electrical energy markets around the world present various structures, which are evolving to pursue perfect competition. Then, it is essential to choose the best generating cost structure of power plants with respect to present and future market opportunities. In this view, the paper analyzes the economical impact of some technical choices for gas–steam combined cycle power plants. Attention is paid to the effects on the generating cost structure of the various types of combined cycle regulation and of the environmental parameters and constraints. The results for two different plants are reported as examples. Eventually, conclusions are drawn on how such technical features may influence the positioning in the market and the bidding opportunities of the power plant.
Deregulation in electric power generation industry is offering companies new opportunities of investment. Gas–steam combined cycle technology is nowadays preferred for both re-conversion of outdated plants and new installations, thanks to its short times of return on investment, limited effects of economies of scale and optimal sizes which are small compared with the market size  and . Deregulation influences not only the choice of the energy conversion technology, but also the analysis that are performed and the optimization criteria that are adopted in the planning and operation of power plants . Then, it is urgent to support the decision making of combined cycle power plant management with adequate tools accounting for both technical and market issues . In this paper attention is focused on the economical impact of some technical choices in terms of structure of generation costs. Some mathematical models, previously presented in  and , are briefly recalled and used to analyze the combined cycle power plant features that significantly influence the generation costs. Attention is paid to the effects on the cost structure of the various types of combined cycle regulation and of the environmental parameters and constraints. The results for two different plants are reported as examples. Eventually, conclusions are drawn on how such technical features may influence the positioning and the bidding opportunities of the power plant in a competitive market.
نتیجه گیری انگلیسی
Electrical energy markets around the world present various structures with different levels of competition and in some cases they are still based on oligopoly. Then, it is essential to have the possibility of choosing the best cost structure with respect to present and future market opportunities. Such opportunities may concern various aspects: the type of trades or bids, taking part to different energy markets and supplying ancillary services. In this view, the tools and the analysis shown in the paper can be a useful support to decision making in power plant planning and operation.