动态热定额在加速负荷增长下对配电变压器的益处
Benefits of Dynamic Thermal Rating for Distribution Transformers Under Accelerated Load Growth
浏览论文内容
中文总结 AI 辅助
本文研究动态热定额（DTR）作为配电变压器在加速负荷增长下的非布线替代方案，通过环境调整定额推迟升级并降低成本，尤其在天气多样和冷季峰值地区效果显著。
中文摘要 AI 辅助
动态热定额（DTR）已被广泛应用于输电线路的拥堵管理，但其在配电变压器方面的潜力尚未得到充分探索。通过根据实际环境条件和运行状况调整设备定额，DTR允许变压器在不超过资产健康的前提下，运行于保守的静态铭牌值之上。本文评估了在面临加速负荷增长的配电系统中，DTR如何作为一种非布线替代方案，替代传统的升级措施。利用SMART-DS数据集中的一个示例馈线，我们将传统的变压器更换策略与采用环境调整定额的DTR运行方式进行了比较。结果表明，DTR能够推迟大量变压器的升级，并降低年度升级成本。更广泛地看，DTR在天气多样性显著、峰值负荷出现在较冷时段或持续负荷增长（否则将引发昂贵的加固措施）的地区最为有效。这些发现表明，DTR对公用事业公司而言是一种实用且成本效益高的选择，既提供了运行灵活性，也提供了投资推迟的机会，并为制定配电层面的DTR计划奠定了基础。
英文摘要
Dynamic Thermal Rating (DTR) has been widely applied to transmission lines for congestion management, but its potential for distribution transformers is less explored. By adjusting equipment ratings based on real ambient and operating conditions, DTR allows transformers to operate above conservative static nameplate values without compromising asset health. This paper evaluates how DTR can serve as a non-wires alternative to traditional upgrades in distribution systems facing accelerated load growth. Using an example feeder from the SMART-DS dataset, we compare conventional transformer replacement strategies against DTR-enabled operation with ambient-adjusted ratings. The results demonstrate that DTR can defer a significant number of transformer upgrades and reduce annual upgrade costs. More broadly, DTR is most effective in regions with pronounced weather diversity, peak demand occurring during cooler periods, or sustained load growth that would otherwise trigger costly reinforcements. These findings show that DTR is a practical and cost-effective option for utilities, provides both operational flexibility and investment deferral opportunities, and offers a foundation for developing distribution-level DTR programs.
发表机构
- National Laboratory of the Rockies（落基山国家实验室）
- New York University（纽约大学）
- Orange & Rockland Utilities（橙岩公用事业公司）
- University of South Carolina（南卡罗来纳大学）
机构由 AI 辅助整理，请以论文原文为准。
