基于电磁-热-水力分析的并网 HTS 电力电缆的运行可靠性

IF 3.8 2区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Power Delivery Pub Date : 2024-09-03 DOI:10.1109/TPWRD.2024.3454104

Hanyu Liang;Jie Sheng;Xuan Zhou;Ran Li;Zhijian Jin

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引用次数: 0

摘要

低损耗、大容量的高温超导（HTS）电力电缆在电力传输中发挥着不可或缺的作用。然而，由于缺乏示范项目的故障数据，电网内 HTS 电力电缆的可靠性分析受到阻碍。本文研究了电网内 HTS 电力电缆在短路故障和冷却系统故障两种故障模式下的电磁热行为。为提高 HTS 电力电缆的可靠性，本文提出了一种与电流相关的过热保护策略和一种基于最大自恢复温度的重合策略。优化后的策略将 HTS 电力电缆正常状态下的运行概率从 99.27% 提高到 99.49%，证明 HTS 电力电缆在电网中可以实现高可靠性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Operating Reliability of In-Grid HTS Power Cables Based on Electromagnetic–Thermal–Hydraulic Analysis

High-temperature superconducting (HTS) power cables with low loss and large capacity are playing an indispensable role in power transmission. However, the reliability analysis of in-grid HTS power cables is hindered by the scarcity of failure data from demonstration projects. This paper investigates the electromagnetic–thermal behavior of in-grid HTS power cables under two failure modes: short-circuit fault and cooling system failure. To improve the reliability of the HTS power cable, this paper proposes a current-dependent overheating protection strategy and a reclosure strategy based on the maximum self-recovery temperature. The optimized strategies increase the operating probability of the normal state for the HTS power cable from 99.27% to 99.49%, demonstrating that HTS power cables can achieve high reliability in grids.

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来源期刊

IEEE Transactions on Power Delivery 工程技术-工程：电子与电气

CiteScore

9.00

自引率

13.60%

发文量

513

审稿时长

6 months

期刊介绍： The scope of the Society embraces planning, research, development, design, application, construction, installation and operation of apparatus, equipment, structures, materials and systems for the safe, reliable and economic generation, transmission, distribution, conversion, measurement and control of electric energy. It includes the developing of engineering standards, the providing of information and instruction to the public and to legislators, as well as technical scientific, literary, educational and other activities that contribute to the electric power discipline or utilize the techniques or products within this discipline.