面向交直流混合配电应用的10kV-3MV·A四端口电力电子变压器

doi:10.19595/j.cnki.1000-6753.tces.L90396

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Abstract Power electronic transformer is the key equipment for AC and DC power conversion and control in AC-DC hybrid power distribution system. Taking the 10kV-3MVA four-port PET prototype applied in Suzhou Tongli AC-DC hybrid power system as the object, this paper studies the circuit topology design and distributed control technology, and proposes a circuit topology and its port coordination control strategy suitable for multi-port DC bipolar application. Herein, the access requirements of AC and DC equipment with multiple voltage levels and the complex application scenarios of AC-DC hybrid power distribution are considered. Simulation and test results verify that the PET design can meet the complex application requirements of AC-DC hybrid power distribution system, and has important practical significance for the promotion and application of PET in AC-DC hybrid distributed power grid.

Key words： Power electronic transformer solid state transformer multi-port AC-DC hybrid distribution system coordinated control

Received: 11 July 2020

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TM46

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	Gao Fanqiang
	Li Zixin
	Li Yaohua
	Wang Ping
	Yuan Yubo

Cite this article:

Gao Fanqiang,Li Zixin,Li Yaohua等. 10kV-3MV·A Four-Port Power Electronic Transformer for AC-DC Hybrid Power Distribution Applications[J]. Transactions of China Electrotechnical Society, 2021, 36(16): 3331-3341.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L90396 OR https://dgjsxb.ces-transaction.com/EN/Y2021/V36/I16/3331

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