特高压直流挤压电缆系统资质

2015 International Conference on Condition Assessment Techniques in Electrical Systems (CATCON) Pub Date : 2015-12-01 DOI:10.1109/CATCON.2015.7449542

H. Ghorbani, A. Gustafsson, M. Saltzer, S. Alapati

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引用次数: 3

摘要

一种新的525千伏直流电缆系统，额定功率范围高达2吉瓦以上，可用于海底和地下应用。525千伏挤压直流电缆系统比以前的解决方案(即320千伏挤压直流系统)在极端距离上传输的功率至少增加50%。该技术可实现每安装兆瓦(MW)传输容量的最低电缆重量，较高的电压可提供可靠的传输和低能量损耗。该系统采用了一种新型交联聚乙烯(XLPE)直流绝缘材料，一种基于壁套技术的无油无瓷终端，以及一种陆地接头和一种柔性海上接头。本文介绍了电缆及其附件的产品开发、广泛的测试程序和新电缆系统的性能。

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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Extra high voltage DC extruded cable system qualification

A new 525 kV DC cable system with a power rating range up to powers above 2 GW has been developed for both subsea and underground applications. The 525 kV extruded DC cable system can transmit at least 50% more power over extreme distances than previous solutions (i.e. the 320 kV extruded DC system). The technology enables the lowest cable weight per installed megawatt (MW) of transmission capacity and the higher voltages provide reliable transmission and low energy losses. This system utilizes a new cross-linked polyethylene (XLPE) DC insulation material, an oil- and porcelain-free termination based on wall bushing technology as well as a land joint and a flexible sea joint. The paper describes the product development of the cable as well as the accessories, the extensive testing procedures and the capability of the new cable system.

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2015 International Conference on Condition Assessment Techniques in Electrical Systems (CATCON)

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