基于DVR和D-STATCOM的级联多级变换器,用于电压骤降和膨胀抑制

B. S. Mohammed, K. S. R. Rao, N. Perumal
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引用次数: 5

摘要

针对低压配电网供电电压降/涨和中断问题,建立了基于3级和7级级多电平变换器(CMC)的动态电压恢复器(DVR)和配电静态补偿器(D-STATCOM)的建模和仿真模型。所提出的基于CMC的DVR和D-STATCOM设计模型有望成为减少敏感负载电源电压干扰的最有效解决方案。利用电磁瞬变仿真程序(PSCAD/ EMTDC)对DVR和D-STATCOM模型及其控制器进行了仿真,并给出了仿真结果,以评估各器件的性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Cascade multi-level converter based DVR and D-STATCOM for voltage sag and swell reduction
This paper presents the modeling and simulation of three and seven-level cascade multilevel converter (CMC) based dynamic voltage restorer (DVR) and distribution static compensator (D-STATCOM), aimed at correcting the supply voltage sag/swell and interruption in low voltage distribution networks. The proposed design models of CMC based DVR and D-STATCOM are expected to be most powerful solutions to minimize supply voltage disturbances of the sensitive loads. The proposed models of DVR and D-STATCOM together with the controllers are simulated by using electromagnetic transient simulation program (PSCAD/ EMTDC) and the results are presented to assess the performance of each device.
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