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Optimal methodology for a machining process scheduling in spot electricity markets

机译:现货电力市场中机加工工艺调度的最佳方法

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摘要

Electricity spot markets have introduced hourly variations in the price of electricity. These variations allow the increase of the energy efficiency by the appropriate scheduling and adaptation of the industrial production to the hourly cost of electricity in order to obtain the maximum profit for the industry. In this article a mathematical optimization model simulates costs and the electricity demand of a machining process. The resultant problem is solved using the generalized reduced gradient approach, to find the optimum production schedule that maximizes the industry profit considering the hourly variations of the price of electricity in the spot market. Different price scenarios are studied to analyze the impact of the spot market prices for electricity on the optimal scheduling of the machining process and on the industry profit. The convenience of the application of the proposed model is shown especially in cases of very high electricity prices.
机译:电力现货市场已经引入了电价的每小时变化。这些变化可通过对工业生产进行适当的调度和使之适应小时的用电成本来提高能源效率,从而为该行业获得最大的利润。在本文中,一个数学优化模型可以模拟加工过程的成本和电力需求。考虑到现货市场中电价的每小时变化,使用广义降梯度方法解决了由此产生的问题,以找到使行业利润最大化的最佳生产计划。研究了不同的价格情景,以分析电力现货市场价格对机械加工过程的最佳调度和行业利润的影响。特别是在电价很高的情况下,显示了所提出模型的应用便利性。

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