1.2MV·A混合钳位五电平变流模块的结构布局优化和叠层母排设计

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Abstract Multilevel is a key technology to high power converters. Limited by the technical problems such as DC voltage unbalance and bus bar design, only the NPC three-level is widely used in industry for neutral point clamped multilevel topology. The hybrid clamped five-level is a novel topology in which DC voltage can be self-balanced. To promote this topology’s application, engineering design for structure and bus bar of a 1.2MV·A converter module is discussed in this paper. The mechanism and limitation methods of the surge current in this topology are first studied. Then the structure and layout design are carried out following the principle that surge current is easy to restrain and bus bar is easy to design. Finally the laminated bus bar is presented and simulated through Ansoft Q3D, and the 400 kW one phase prototype is completed. Consequently, the experimental results have verified the structure and bus bar.

Key words： High power converter module hybrid clamped 5-level structure design bus bar

Received: 22 April 2014 Published: 28 April 2016

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TM46

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	Articles by authors
	Dong Yufei
	Luo Haoze
	Yang Heya
	He Yuanming
	Li Wuhua
	He Xiangning

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Dong Yufei,Luo Haoze,Yang Heya等. Engineering Design for Structure and Bus Bar of 1.2MV·A Hybrid Clamped Five-Level Converter Module[J]. Transactions of China Electrotechnical Society, 2016, 31(8): 11-18.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I8/11

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