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Controllable reactor based hybrid HVDC breaker

机译：基于混合HVDC断路器的可控电抗器

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摘要

Short circuit fault occurrence in high-voltage DC (HVDC) systems causes extremely high currents in a fast raising time that does not experience current zero-crossing. To protect HVDC systems/grids against fault current, fast HVDC breaker is an essential equipment. This study presents the design procedure of a novel HVDC breaker based on solid-state controllable reactor which is able to reduce the fault current's rate of rise and fault current amplitude to less than grid nominal current in the breaking process. The main achievement of the proposed HVDC breaker is that not only breaker does not encounter fault current, but also none of the series HVDC equipment is influenced by the fault. The designed breaker performance is studied by PSCAD/EMTPS, and then the simulation results are validated by the developed laboratory experimental setup.
机译：高压DC（HVDC）系统中的短路故障发生在快速升高时导致极高的电流，不经历当前过零点。为了保护HVDC系统/网格抵抗故障电流，快速HVDC断路器是必不可少的设备。本研究介绍了基于固态可控反应器的新型HVDC断路器的设计步骤，该反应堆能够降低故障电流的上升速率和故障电流幅度，以小于断裂过程中的网格标称电流。提出的HVDC断路器的主要成就是，不仅断路器不遇到故障电流，而且也没有任何系列HVDC设备受到故障的影响。 PSCAD / EMTPS研究了设计的断路器性能，然后通过开发的实验室实验设置验证了仿真结果。

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