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首页> 外文期刊>Electric power systems research >Parameter sensitivity analysis on DC transients between MMC station and cable
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Parameter sensitivity analysis on DC transients between MMC station and cable

机译:MMC站和电缆DC瞬态参数灵敏度分析

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摘要

In MMC based HVDC transmission systems, DC and internal converter faults lead to transient overvoltages and overcurrents that have an impact on DC cable design and aging. Hereafter, an Electromagnetic transient (EMT) type tool is used, as this presents the most appropriate and most accurate option to investigate such behaviors. In this paper, sensitivity analysis on the main HVDC parameters is performed using a simple but efficient screening approach. The studied case is based on the generic MMC-HVDC link according to Cigre ' TB604 to provide a general overview. These set of results allow an increased understanding of the impact of HVDC parameter variations on DC transients at converter/cable interface. In addition, related deeper insights allow the identification of input parameters that cause significant DC transients and should, therefore, be in the focus for HVDC projects.
机译:在基于MMC的HVDC传输系统中,DC和内部转换器故障导致瞬态过电压和过电流对DC电缆设计和老化产生影响。 此后,使用电磁瞬态(EMT)型工具,因为这提出了调查此类行为的最合适和最准确的选择。 在本文中,使用简单但有效的筛选方法进行主HVDC参数的灵敏度分析。 研究的情况是根据CIGRE'TB604的通用MMC-HVDC链路,提供一般概述。 这些结果允许增加对转换器/电缆接口在DC瞬态的HVDC参数变化的影响。 此外,相关的更深入的见解允许识别导致显着的DC瞬态的输入参数,因此应该是HVDC项目的重点。

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