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Integrating Price Responsive Demand Into the Unit Commitment Problem

机译：将价格敏感需求整合到单位承诺问题中

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摘要

This paper studies how a system operator can estimate the amount of demand which will be curtailed in each hour and that which will be shifted between any two hours based on the short-term price elasticities of the demand (PED) in each hour (i.e., own price elasticity and the associated cross price elasticities), besides finding near optimal unit commitment schedule for generators. Ideally, the system operator would want to curtail and/or shift out as much demand as possible from the hours where the generation is expensive. However, such an action may not be desirable for the demand side. In reality, the demand side suffers a penalty (e.g., cost of rescheduling a scheduled job in a factory) when the demand is curtailed and/or shifted. According to our formulation, the system operator constructs a social optimal solution based on the PED and the penalty information related to the demand side. In other words, the total utility of the demand side is maximized, while the sum of the total power generation costs and the total penalty incurred by the demand side are jointly minimized. The effect of the cross price elasticities and the penalty on the system performance will be shown through various simulations.
机译：本文研究了系统运营商如何根据每小时的需求短期价格弹性（PED）来估算每小时减少的需求量以及在任意两个小时之间转移的需求量（即自身的价格弹性和相关的交叉价格弹性），除了找到发电机的最佳单位承诺时间表。理想情况下，系统运营商希望从发电成本高昂的时间中削减和/或转移尽可能多的需求。然而，这种动作对于需求方可能是不希望的。实际上，当需求减少和/或转移时，需求方遭受损失（例如，在工厂中重新安排预定的工作的成本）。根据我们的表述，系统操作员基于PED和与需求方相关的惩罚信息构建社会最优解决方案。换句话说，需求侧的总效用最大化，而总发电成本的总和与需求侧引起的总罚款合起来最小。交叉价格弹性和惩罚对系统性能的影响将通过各种模拟来显示。

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