利用分布式能源的低压电网电压跌落补偿

2004 11th International Conference on Harmonics and Quality of Power (IEEE Cat. No.04EX951) Pub Date : 2004-09-12 DOI:10.1109/ICHQP.2004.1409451

R. Mieński, R. Pawełek, I. Wasiak, P. Gburczyk, C. Foote, P. Espie

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引用次数: 7

摘要

本文介绍了使用分布式发电(DG)源来减轻中压和高压网络中由于短路而导致的低压电网电压下降的可能性。研究了基于脉冲宽度调制(PWM)控制的电压源逆变器(VSI)的DG源。在故障条件下，DG源根据电压下降的深度产生有功功率。对不同的DG源能力和不同的中低压网络耦合，即配电变压器的短路功率进行了补偿。采用PSCADIEMTDC程序对系统性能进行分析。给出了一个研究网络的仿真结果，验证了补偿的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Voltage dip compensation in LV networks using distributed energy resources

The paper presents possibilities of using distributed generation (DG) sources to mitigate voltage dips in LV grids due to short circuits in the MV and HV network. DG sources based on voltage source inverters (VSI) with pulse width modulation (PWM) control were considered. The DG sources generate active power depending on the depth of voltage dips under faults conditions. The compensation effect is shown for different DG source capabilities and different coupling between the LV and MV networks, i.e. the short circuit power of the distribution transformer. The PSCADIEMTDC programme was used for analysis of system performance. Results of simulation for a study network are presented, which show the effectiveness of compensation.

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2004 11th International Conference on Harmonics and Quality of Power (IEEE Cat. No.04EX951)

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