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A Control Strategy of DC Building Microgrid Connected to the Neighborhood and AC Power Network

Abstract : Recently, the use of DC microgrid distribution system has become more attractive than traditional AC systems due to their energy efficiency and ability to easily integrate with renewable energy sources and batteries. This paper proposes a 500 V DC microgrid which consists of a 20 kWp photovoltaic panel, batteries, and DC loads. A hierarchical control strategy to ensure balance power of the DC microgrid and the maintenance of common DC bus voltage is presented. The capability of exchanging power energy of the microgrid with the power system of neighborhood buildings is also considered. Typical operation modes are simulated in the Matlab/simulink environment to confirm the good performance of the controllers and the efficiency of appropriately controlling the charge–discharge of the battery system. This research is expected to bring benefits to the design and operation of the system, such as reducing the capacity of batteries, increasing the self-supply of buildings, and decreasing the electricity demand from the AC grid.
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https://hal.archives-ouvertes.fr/hal-01626141
Contributor : Hervé Morel <>
Submitted on : Monday, October 30, 2017 - 1:05:59 PM
Last modification on : Monday, September 13, 2021 - 2:44:04 PM

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Thi Thuong Huyen Ma, Hamed Yahoui, Hoang Vu, Nicolas Siauve, Hervé Morel. A Control Strategy of DC Building Microgrid Connected to the Neighborhood and AC Power Network. Buildings, Stamats Communications, Inc., 2017, 7 (2), ⟨10.3390/buildings7020042⟩. ⟨hal-01626141⟩

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