论文标题
通过在安全受限的单位承诺中纠正需求响应来增强系统灵活性
Enhancing System Flexibility through Corrective Demand Response in Security-Constrained Unit Commitment
论文作者
论文摘要
当前，系统运营商通过日期安排中出于经济原因派遣可控负载来实施需求响应。特别是，当电力成本更高到非高峰小时以通过压制负载轮廓来维持系统可靠性时，需求从高峰时段转移。但是，在短期操作中未明确考虑这种行动在宿舍后场景中的灵活性和经济利益。因此，本文重点介绍了需求响应的好处，这是对日期安排中潜在的后紧急情况的纠正措施。在提出线路或发电机中断时，考虑通过纠正需求响应（CDR）提供的灵活性（CDR）提供的灵活性（CDR）提供了一个安全受限的单位承诺（SCUC）模型。该模型在IEEE 24总线系统上进行了测试，其中模拟结果表明日常操作中大量的总成本节省。此外，结果表明，在实施CDR时，在使用现有系统灵活性的能力以及使用现有系统灵活性并满足了更高的关键需求的能力方面，可以更好地长期可靠性。
Currently, system operators implement demand response by dispatching controllable loads for economic reasons in day-ahead scheduling. Particularly, demand shifting from peak hours when the cost of electricity is higher to non-peak hours to maintain system reliability by flattening the load profile. However, the system flexibility and economic benefits of such action in post-contingency scenarios are not explicitly considered in short-term operations. Hence, this paper highlights the benefits of demand response as a corrective action for potential post-contingency emergencies in day-ahead scheduling. A security-constrained unit commitment (SCUC) model which considers the flexibility offered through corrective demand response (CDR) to maintain system reliability when a line or generator outage occurs is proposed. The proposed model was tested on IEEE 24-bus system where simulation results point to significant total cost savings in daily operations. Moreover, the results point to better long-term reliability of generators along with the ability to use existing system flexibility and serve higher critical demands in base-case when CDR is implemented.
