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公开(公告)号：US20150061408A1
公开(公告)日：2015-03-05
申请号：US14474349
申请日：2014-09-02
Inventor： Joerg Janning
CPC classification number: H02J1/00 , H02H3/025 , H02H7/268 , H02J3/36 , H02M7/483 , H02M7/537 , H02M2007/4835 , Y02E60/60 , Y10T307/76
Abstract: A method for operating an electrical circuit including a modular switch with four power semiconductor components and one capacitor. With this method, either both the first and the second power semiconductor components are switched so as to be conducting, and both the third and the fourth power semiconductor components are controlled so as to be blocking, so that a current flows from the first connection across the first power semiconductor component, across the capacitor and across the second power semiconductor component to the second connection, or both the third and fourth power semiconductor components are switched so as to be conducting, and both the first and the second power semiconductor components are controlled so as to be blocking, so that the current flows in reverse direction from the second connection across the fourth power semiconductor component, across the capacitor and across the third power semiconductor component to the first connection.
Abstract translation: 一种用于操作包括具有四个功率半导体部件和一个电容器的模块开关的电路的方法。 利用这种方法，第一和第二功率半导体部件都被切换为导通，并且第三和第四功率半导体部件都被控制成阻塞，使得电流从第一连接跨过 第一功率半导体部件，跨越电容器并跨越第二功率半导体部件到第二连接，或第三和第四功率半导体部件两者被切换以便导通，并且第一和第二功率半导体部件都被控制 以便阻塞，使得电流从穿过第四功率半导体部件的第二连接反过来流过电容器并跨过第三功率半导体部件流到第一连接。
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公开(公告)号：US10938317B2
公开(公告)日：2021-03-02
申请号：US15618862
申请日：2017-06-09
Inventor： Martin Geske , Joerg Janning
IPC: H02M7/219 , H02M1/32 , H02M7/483 , H02M7/5387
Abstract: A double submodule for a modular multilevel converter comprising a first and second submodule coupled to the first. Each submodule comprises an asymmetric H bridge circuit with two parallel bridges branches, connected between a first and a second direct voltage node of the submodule. Each bridge branch is formed by a series connection from a controllable power semiconductor switch and a diode. A storage capacitor is connected in parallel to the asymmetric H bridge circuit between the first and the second direct voltage node of the submodule. The first and the second submodule are interconnected in such a way that a power semiconductor switch or a diode is part of a bridge branch of the first submodule as well as part of a bridge branch of the second submodule. A modular multilevel converter, comprises a series connection of such double submodules in each of its converter branches, is also disclosed.
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