Development and demonstration of concentric-type HTS power cable for distribution grid in Shenzhen urban

Frontiers in Energy Efficiency Pub Date : 2023-03-30 DOI:10.3389/fenef.2023.1160372

S. Tang, Minhong Li, Hong Xie, Zhenzi Wang, Peng Yu, Zhonghang Li, Zhe Wang, Tengbiao Chen, Bangzhu Wang

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Abstract

High-temperature superconducting (HTS) cable can transmit massive power with little dissipation in a limited corridor, which is an attractive solution for future power transmission. Shenzhen Power Supply energized a 400 m/10 kV/2.5 kA concentric HTS cable system on 28 September 2021 to power Ping’an Financial Centre, a Shenzhen’s landmark building, which was the debut of concentric HTS cable made of YBCO in the urban area of a megacity. For more than 1 year, the HTS cable system has been operating well and will continue to operate for a long time. This paper systematically reviews the system specification, cable and its accessories design, cryogenic cooling system design, type and exploratory test, project construction, pre-commissioning test, and operation of the demonstration cable system. Based on our R&D practice, we identify that cost, long-term reliability, and operational simplicity are the main hinders factors that need to be addressed to advance the large-scale application and we propose a set of solution ideas meanwhile.

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深圳城区配电网同心型高温超导电力电缆的研制与示范

高温超导电缆可以在有限的通道内以较小的损耗传输大量的电力，是未来电力传输的一个有吸引力的解决方案。深圳电力公司于2021年9月28日为深圳地标性建筑平安金融中心供电400米/10千伏/2.5千卡同心高温超导电缆系统，这是超大城市地区首次使用YBCO制成的同心高温超导电缆。1年多来，HTS电缆系统运行良好，并将长期运行。本文系统地回顾了示范电缆系统的系统规格、电缆及其附件设计、低温冷却系统设计、型式及探索性试验、工程施工、预调试试验、运行情况。根据我们的研发实践，我们发现成本、长期可靠性和操作简单性是推动大规模应用需要解决的主要障碍因素，同时我们提出了一套解决方案的想法。

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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Frontiers in Energy Efficiency

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