Exploratory Research on the Cooling Mode of Offshore Wind Power Converter Substation

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI:10.1109/CICED50259.2021.9556656

Guan Sheng-Li, Leng Ming-quan, Xu Xuzheng, Wen Yu-liang, Li Zhi-Dao, Wang Guang-wu

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Abstract

In this paper, a comprehensive investigation of the cooling system of HVDC converter substations in China is conducted. At present, land-based HVDC converter substations mainly use air-water cooling mode, water-water cooling mode, and water-water series connecting with air-water cooling mode. It is out of date that the external cooling system of the offshore VSC-HVDC converter substation, which is the world's most expensive estate, continues to use the land-based converter substation. The author has sorted out two cooling methods for the offshore VSC-HVDC converter substation. One is the independent form of HVAC, and the other is the parallel form of HVAC and converter valve cooling system. In this paper, the energy analysis of these two types of offshore VSC-HVDC converter substations is mainly conducted in the energy management system mode, and the multi-energy complementarity is proposed to provide as an energy center source for the heat sources of offshore VSC-HVDC converter substations.

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海上风电变流器冷却方式的探索性研究

本文对国内高压直流换流站的冷却系统进行了全面的研究。目前陆基高压直流变流器变电站主要采用空水冷却方式、水冷却方式、水冷却串联空水冷却方式。作为世界上造价最高的海上VSC-HVDC换流站，其外部冷却系统继续采用陆基换流站已经过时。作者整理了海上直流-高压直流换流站的两种冷却方式。一种是暖通空调的独立形式，另一种是暖通空调与换流阀冷却系统的并联形式。本文主要在能量管理系统模式下对这两类海上VSC-HVDC换流站进行能量分析，并提出多能互补作为海上VSC-HVDC换流站热源的能量中心源。

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来源期刊

2021 China International Conference on Electricity Distribution (CICED)

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