发明授权
- 专利标题: Multi-level power converter and a method for controlling a multi-level power converter
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申请号: US15579399申请日: 2015-06-29
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公开(公告)号: US10193469B2公开(公告)日: 2019-01-29
- 发明人: Lennart Harnefors , Tomas Tengner
- 申请人: ABB SCHWEIZ AG
- 申请人地址: CH Baden
- 专利权人: ABB SCHWEIZ AG
- 当前专利权人: ABB SCHWEIZ AG
- 当前专利权人地址: CH Baden
- 代理机构: Birch, Stewart, Kolasch & Birch, LLP
- 国际申请: PCT/EP2015/064753 WO 20150629
- 国际公布: WO2017/000984 WO 20170105
- 主分类号: H02M7/483
- IPC分类号: H02M7/483 ; H02J3/32 ; G05B11/01
摘要:
A multi-level power converter for one or more phases includes one or more converter arms including a plurality of serial connected switching cells. Each switching cell includes a plurality of switching devices, a primary energy storage, a secondary energy storage and a first inductor. The switching devices are arranged to selectively provide a connection to the primary energy storage, wherein each switching cell includes a bridge circuit including the switching devices and the primary energy storage, a battery circuit connected to the bridge circuit and including the secondary energy storage, and an arm circuit providing a connection between two adjacent switching cells. The first inductor of each switching cell is arranged in the arm circuit.
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