姚堃;钱江;

• 1:土木工程防灾国家重点实验室(同济大学)

摘要(Abstract)：

为研究特高压直流输电系统抗震可靠度,首先将特高压直流输电系统划分为不同的子系统,分析各子系统间的故障逻辑,基于状态枚举法,以震后系统输电能力期望为评价指标,建立了系统抗震可靠性评估模型。然后以某特高压直流输电系统为算例,对其中的重要电气设备采用有限元数值模拟的方法进行抗震可靠度分析,在此基础上分析了该系统的抗震可靠度以及各设备抗震可靠度对系统可靠性的影响程度。结果表明,按照现行电气设备抗震规范设计的电气设备在抗震设防烈度下有较高的可靠度保证,但由于特高压直流输电系统的复杂性,系统依然存在着一定的安全隐患,电气设备的抗震可靠设计要求有必要进一步提高。

关键词(KeyWords)： 特高压直流输电;抗震可靠度;有限元

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 姚堃;钱江;

Email:

DOI: 10.13335/j.1000-3673.pst.2018.2581

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