A three-phase 10 kVAC-750 VDC power electronic transformer for smart distribution grid
作者： Zixin Li , Ping Wang , Zunfang Chu , Haibin Zhu , Zhandong Sun
关键词: Smart grid 、 Electric power transmission 、 Current transformer 、 Electrical engineering 、 Distribution transformer 、 Electric power system 、 Engineering 、 Power engineering 、 Electronic engineering 、 Switched-mode power supply 、 Energy efficient transformer
摘要: In this paper, a power electronic transformer (PET) topology for distribution grid is presented based on modular multilevel converter (MMC). The of three-phase type and have two dc voltage terminals, i.e. the high-voltage terminal low-voltage terminal. So, it can be connected directly to direct current (HVDC) systems renewable energy simultaneously. This feature makes possible perform as an “energy router” in smart grids. What more important, proposed PET substantially reduce (by 44.4% studied case) number medium frequency transformers (MFTs), compared with existing solutions. Computer simulation experimental results 10 kV prototype show validity PET.
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