Dynamic Simulation of a Microgrid with Renewable Microsources Based on DIgSILENT/PowerFactory

Min Wang; Yong Qing Li; Cheng Fei Zhang; Dong Yang Cai; Yue Yuan

doi:10.4028/www.scientific.net/AMR.805-806.1176

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 805-806Dynamic Simulation of a Microgrid with Renewable...

Dynamic Simulation of a Microgrid with Renewable Microsources Based on DIgSILENT/PowerFactory

Abstract:

According to characteristics of the power grid in China, a framework of microgrid for distributed generations (DGs) integration is proposed. To ensure the reliability of power supply, the framework access distribution network by single-bus section. The DGs consist of photovoltaic (PV) system, wind power system and energy storage system. Based on the proposed framework and control strategy, the models of distributed generations were built in DIgSILENT/PowerFactory. According to the control strategy, three cases were analyzed: 1) the dynamic operating characteristics of the microgrid from grid-connected mode to isolated mode; 2) the dynamic operating characteristics of the microgrid with wind speed fluctuation disturbance in grid-connected mode and islanded mode; 3) the influence to microgrid operation in different fault types and locations. The simulation results show that the proposed framework of microgrid conforms to Chinas power grid feature and the control strategy can ensure safety and reliable operation under different situation.

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Periodical:

Advanced Materials Research (Volumes 805-806)

Pages:

1176-1180

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.805-806.1176

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Online since:

September 2013

Authors:

Min Wang, Yong Qing Li, Cheng Fei Zhang, Dong Yang Cai, Yue Yuan

Keywords:

DIgSILENT/PowerFactory, Dynamic Simulation, Fault, Islanding Mode, Microgrids (MGs)

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