Details

Autor(en) / Beteiligte

• Wang, Jinhao
• Chang, Xiao
• Li, Shengwen
• Zhang, Ying
• Li, Huipeng
• Wang, Xu
• Wang, Tan

Titel

Research on Operation Control Strategy of Multi-Voltage DC Microgrid

Ist Teil von

• Journal of physics. Conference series, 2020-10, Vol.1626 (1), p.12052

Ort / Verlag

Bristol: IOP Publishing

Erscheinungsjahr

2020

Quelle

Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals

Beschreibungen/Notizen

• In order to reduce the use of power electronic devices, adapt to different loads connected to the DC microgrid, and improve the reliability and safety of power supply, this paper proposes a multi-voltage level DC microgrid control strategy. The basic structure and operation mode of multi-voltage level DC microgrid are introduced. The control strategies of photovoltaic power generation and hybrid energy storage are proposed. The model of bidirectional DC/DC converter is established and the control strategy of hierarchical control of DC bus voltage is proposed. A power balance control strategy is proposed for AC/DC bidirectional power converter to realize smooth AC-DC power transfer. Simulation analysis on Matlab platform verifies the feasibility of the control strategy.