风力/太阳能混合电厂并网大型直流微电网稳定性分析

IF 1.3 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS

IET Networks Pub Date : 2022-10-14 DOI:10.1109/IET-ICETA56553.2022.9971657

Li Wang, Xianghua Peng, Hao-Sin Yang, Ching-Wen Tzeng, Jia-Ruei Zhang, Ching-Chuan Tseng

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引用次数: 1

摘要

本文对风力发电场和太阳能发电场混合并网的大型直流微电网(DCMG)的稳定性能进行了评价。所研究的DCMG由等效聚合(EA) SF和基于永磁同步发电机(PMSG)的EA WF组成。EA WF的交流输出通过EA电压源变换器(VSC)转换为直流量，该电压源变换器与EA SF的EA DC-DC变换器的直流输出集成。DCMG的直流量经EA VSI (voltage-source inverter)、升压电源变压器和输电线路转换成交流量，送入交流电网。利用特征值分析方法实现了所研究的DCMG在不同工作点下的小信号稳定性。完成了所研究的DCMG在各种扰动下的动态仿真和瞬态响应，并对其进行了评价。

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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Stability Analysis of a Grid-connected Large-scale DC Microgrid with a Hybrid Wind/Solar Farm

Stability performance of a grid-connected largescale DC microgrid (DCMG) with a hybrid wind farm (WF) and solar farm (SF) is evaluated in this paper. The studied DCMG comprises an equivalent aggregated (EA) SF and an EA WF based on permanent-magnet synchronous generator (PMSG). The AC output of the EA WF is transformed to a DC quantity through an EA voltage-source converter (VSC), which is integrated with the DC output of the EA DC-DC converter of the EA SF. The DC quantity of the DCMG is transformed to an AC quantity to send to an AC power grid through an EA voltage-source inverter (VSI), a step-up power transformer, and transmission lines. Small-signal stability of the studied DCMG under various chosen operating points is achieved using eigenvalue analysis. Dynamic simulations and transient responses of the studied DCMG under various disturbances are also completed and evaluated.

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来源期刊

IET Networks COMPUTER SCIENCE, INFORMATION SYSTEMS-

CiteScore

5.00

自引率

0.00%

发文量

审稿时长

33 weeks

期刊介绍： IET Networks covers the fundamental developments and advancing methodologies to achieve higher performance, optimized and dependable future networks. IET Networks is particularly interested in new ideas and superior solutions to the known and arising technological development bottlenecks at all levels of networking such as topologies, protocols, routing, relaying and resource-allocation for more efficient and more reliable provision of network services. Topics include, but are not limited to: Network Architecture, Design and Planning, Network Protocol, Software, Analysis, Simulation and Experiment, Network Technologies, Applications and Services, Network Security, Operation and Management.