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以当前电力改革为背景,分析了在不同时期短期发电侧市场交易模式中,电力市场改革给区域、省电网电力供求关系带来种种新的变化。采用微观经济学的基本概念和分析方法,根据市场条件变化建立了新型的供求分析模型,利用供给价格弹性系数的概念研究了在不同区域电力市场模式对区域电网公司整体效益的影响。最后探讨了联合电力市场下省网间交易电量交易价格的确定原则。
Taking the current electric power reform as the background, this paper analyzes the new changes brought by the electricity market reform to the electricity supply and demand in the regional and provincial power grids in the short-term generation-side market trading patterns in different periods. Based on the basic concepts and analysis methods of microeconomics, a new model of supply and demand analysis was established according to the change of market conditions. The concept of supply price elasticity was used to study the impact of power market modes in different regions on the overall benefit of regional power grid companies. Finally, the author discusses the principle of determining the transaction price of power grids under the joint power market.