公开(公告)号：US20140334207A1

公开(公告)日：2014-11-13

申请号：US14339223

申请日：2014-07-23

Applicant: ABB Research Ltd

Inventor： Helfried PEYRL ,  Stefan RICHTER

IPC: H02M7/48

CPC classification number: H02M7/48 ,  H02M7/487 ,  H02M2001/0054 ,  H02P23/12 ,  H02P23/30 ,  H02P27/12 ,  H02P27/14 ,  Y02B70/1491

Abstract: A method, a computer-readable medium for controlling an electrical converter, and a controller are disclosed. The method for controlling an electrical converter can include receiving an actual switching state uk-1 of the electrical converter; determining a scenario tree for future switching states of the electrical converter based on the actual switching state uk-1, the scenario tree defining a plurality of future switching sequences, a switching sequence U being defined by a path from a root node of the scenario tree to a leave node of the scenario tree; calculating a weight w for a switching sequence by evaluating nodes of the scenario tree; and determining the next switching state uk to be applied to the electrical converter from a switching sequence with a best weight. The evaluation of the nodes can be performed by at least two processor cores.

Abstract translation: 公开了一种用于控制电转换器的方法，计算机可读介质和控制器。 用于控制电转换器的方法可以包括接收电转换器的实际开关状态uk-1; 基于实际切换状态uk-1，定义多个未来切换序列的场景树，确定用于电转换器的将来切换状态的场景树，切换序列U由从场景树的根节点的路径定义 到方案树的离开节点; 通过评估方案树的节点来计算切换序列的权重w; 以及从具有最佳权重的切换序列确定要应用于电转换器的下一个切换状态uk。 节点的评估可以由至少两个处理器核执行。