刘云;

• 1:国家电网巴西控股公司

摘要(Abstract)：

巴西美丽山±800k V特高压直流输电工程是中国首项海外特高压直流输电项目,对加快推进中国特高压技术和装备输出意义重大。分析中国和巴西管理和技术差异对工程实施的挑战,包括,巴西能源和负荷逆向分布、私有化电力管理体制、严密的环保征地监管体系、特许经营权运营模式、差异化技术标准体系、双回直流工程协同运行需求等,对比和借鉴中国长期特高压工程实践,研究提出若干工程优化方案:1)两回直流送端采用换流站同址布置和接地极互为备用技术,提高运行可靠性;2)提出受端交流线路同塔并架新方案,该方案既满足稳定要求,又节约线路走廊;3)里约换流站工程数据中心建设兼顾近期工程实施便利和远期扩建规划,技术经济优势明显;4)沿袭巴西未设置电力专用通信网情况下的当地工程惯例,建立主用和备用通信通道,建设调度数据网、综合数据网、会议电视系统等。上述研究成果和工程优化方案有利于中国特高压技术实现巴西工程本地化实施,并对其他国际工程具有借鉴意义。

关键词(KeyWords)： 巴西美丽山输电;±800kV特高压工程;工程方案;本地化;管理和技术差异

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 刘云;

Email:

DOI: 10.13335/j.1000-3673.pst.2017.1303

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