全球电力市场化为电力工业提出了一系列新的研究课题。现在各电力公司不仅要处理传统的调度问题 ,还要考虑新市场机制下的经济问题。基于 PX市场中 MCP和 MCQ的形成机理 ,探讨了买电代理商的买电经济模型 ,并进行了利润分析。文中用美国电力市场的数据进行市场仿真 ,找出了使利润最大的成交电价和成交电量 ,并给出了相应的竞标策略 ,结果表明该研究可为买电代理商寻求最优竞标策略和定价策略提供辅助决策作用 The global electricity market into the power industry has proposed a series of new research topics. Now all power companies should not only deal with the traditional scheduling problems, but also consider the economic issues under the new market mechanism. Based on the formation mechanism of MCP and MCQ in the PX market, this paper discusses the electricity purchase economic model of electricity dealers and analyzes the profit. The paper uses the data of the US electricity market to simulate the market and finds out the transaction price and transaction volume that make the most profit, and gives the corresponding bidding strategy. The results show that the study can find the optimal bidding strategy and pricing for the buying agents Strategy to provide aided decision-making role