持续时间感知的爬坡充足性筛查
Duration-Aware Ramp Adequacy Screening
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- School of Engineering and Applied Sciences, Harvard University（哈佛大学生物工程与应用科学学院）
- Department of Electrical and Computer Engineering, Texas A&M University（德克萨斯农工大学电气与计算机工程系）
- Sloan School of Management and the MIT Energy Initiative, Massachusetts Institute of Technology（麻省理工学院斯隆管理学院及MIT能源倡议）
机构由 AI 辅助整理，请以论文原文为准。
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中文总结 AI 辅助
针对区域电力市场中爬坡产品缺乏持续时间规范导致调度不可行的问题，提出一种持续时间感知的爬坡充足性筛查方法，通过评估不同持续时间下的爬坡裕度支持产品设计，并开发无预测的稀缺调度策略，在测试系统中验证了其有效性。
中文摘要 AI 辅助
爬坡产品在区域电力市场中被广泛用于为预期的净需求变化采购跨期灵活性。然而，此类爬坡产品的设计往往缺乏对爬坡持续时间的明确规范，可能导致调度方案不可行。本文开发了一种持续时间感知的爬坡充足性筛查方法，用于评估当前已承诺和已调度的机组组合能否在不同持续时间下满足预期的净需求爬坡需求。负的爬坡充足性裕度标识出一个不足持续时间集合，在该集合中机组缺乏足够的爬坡能力。在不同持续时间上评估该裕度有助于产品持续时间的选择，而随时间跟踪该裕度则提供了一种在不同产品和调度策略下评估爬坡充足性的指标。我们进一步构建了具有视界相关预测不确定性的滚动窗口爬坡备用采购模型，并表明产品可能通过调度定位的变化影响其指定持续时间之外的爬坡能力。在此框架基础上，我们开发了一种无预测的爬坡备用稀缺调度策略，该策略根据资源剩余的爬坡持续时间对其进行优先级排序，并且在无传输约束的情况下，实现了与完美预见基准相同的最小运行安全损失。在10发电机系统和2751节点合成德克萨斯电网上的研究证明了所提框架在爬坡稀缺早期检测、产品设计和评估以及筛查引导的紧急调度方面的价值。
英文摘要
Ramp products are widely used in regional electricity markets to procure intertemporal flexibility in anticipation of net demand changes. However, the design of such ramp products often lacks a clear specification of ramping duration, potentially leading to infeasible dispatch solutions. This paper develops a duration-aware ramp adequacy screening method that evaluates whether the currently committed and dispatched fleet can meet the anticipated net-demand ramp requirement across different durations. A negative ramp adequacy margin identifies an insufficient-duration set in which the fleet lacks adequate ramp capability. Evaluating this margin across duration supports product-duration selection, while tracking it over time provides a metric for assessing ramp adequacy under different products and dispatch policies. We further formulate rolling-window ramp-reserve procurement with horizon-dependent forecast uncertainty and show that a product can affect ramp capability beyond its designated duration through changes in dispatch positioning. Building on this framework, we develop a forecast-free ramp-reserve scarcity dispatch policy that prioritizes resources according to their remaining ramp-up durations and, in the transmission-unconstrained setting, achieves the same minimum operational security loss as a perfect-foresight benchmark. Studies on a 10-generator system and a 2751-bus synthetic Texas grid demonstrate the value of the proposed framework for early detection of ramp scarcity, product design and evaluation, and screening-guided emergency dispatch.
