公开(公告)号：US20160190957A1

公开(公告)日：2016-06-30

申请号：US14940352

申请日：2015-11-13

申请人： EMPOWER MICRO INC.

发明人： Milan Ilic ,  Mika Nuotio

IPC分类号： H02M7/5387 ,  H02J3/38

CPC分类号： H02M7/5387 ,  H02J3/381 ,  H02J3/383 ,  H02J3/387 ,  H02M7/48 ,  H02M7/53873 ,  H02M2001/007 ,  H02M2001/0077 ,  Y02E10/563 ,  Y02E60/60

摘要： Systems and methods are disclosed with multiple direct current (DC) voltage source inverters to supply power to an alternating current (AC) power system. The system includes a plurality of full bridge inverter stages, each having a primary node and a secondary node, each of said full bridge inverter stages having positive and negative node, each of said full bridge inverter stages having a voltage supporting device electrically connected in a parallel relationship between said positive node and said negative node and a direct current (DC) source connected between the positive and negative nodes; at least one stacked inverter phase, each stacked inverter phase having a plurality of said full bridge inverter stages, each of said full bridge inverter stages in each stacked inverter phase interconnected in a series relationship with said secondary node of one of said full bridge inverter stages connected to said primary node of another full bridge inverter, said series interconnection defining a first full bridge inverter stage and a last full bridge inverter stage, each phase having an input node at said primary node of said first full bridge inverter stage and an output node at said secondary node of said last full bridge inverter stage; a local controller coupled to each full bridge inverter stage providing the control signals to each full bridge inverter stage to output an approximate nearly sinusoidal voltage waveform; and a system controller which communicating with each local controller; the system controller generating system control signals for configuration, synchronization, activation, deactivation and operating mode selection of said local controller.

摘要翻译： 公开了具有多个直流（DC）电压源逆变器以向交流（AC）电力系统供电的系统和方法。 该系统包括多个全桥逆变器级，每个具有主节点和次节点，每个所述全桥逆变器级具有正节点和负节点，每个所述全桥逆变器级具有电连接在 所述正节点和所述负节点之间的并联关系和连接在所述正节点和所述负节点之间的直流（DC）源; 至少一个堆叠的逆变器相位，每个堆叠的逆变器相位具有多个所述全桥逆变器级，每个堆叠逆变器相中的每个所述全桥逆变器级与所述全桥逆变器级之一的所述次级节点串联连接 连接到另一全桥逆变器的所述主节点，所述串联互连定义第一全桥逆变器级和最后的全桥逆变器级，每相具有在所述第一全桥逆变器级的所述主节点处的输入节点和输出节点 在所述最后一个全桥逆变器级的所述次级节点处; 耦合到每个全桥逆变器级的本地控制器，向每个全桥逆变器级提供控制信号，以输出近似近似正弦的电压波形; 以及与每个本地控制器通信的系统控制器; 所述系统控制器产生用于所述本地控制器的配置，同步，激活，停用和操作模式选择的系统控制信号。

公开(公告)号：US20150357940A1

公开(公告)日：2015-12-10

申请号：US14725391

申请日：2015-05-29

申请人： EMPOWER MICRO INC.

发明人： Milan Ilic ,  Mika Nuotio ,  Jon Bonanno

IPC分类号： H02M7/72

摘要： A multiple dc sources bi-directional energy converter includes a plurality of direct current (DC) power sources; one alternating current (AC) power source; at least one stacked alternating current (AC) phase, each stacked alternating current (AC) phase having at least two or more full bridge converters, each respectively coupled to one of the direct current power sources, each full bridge converter having an inductor electrically coupled thereto; and a local controller coupled to each full bridge converter controlling the firing sequence of the switching devices in said full bridge converter to generate an approximately nearly sinusoidal voltage waveform when operated as a voltage source inverter in one direction or generate an approximately nearly constant direct current (DC) output when operated as a full-wave active rectifier in the opposite direction.

摘要翻译： 多直流源双向能量转换器包括多个直流（DC）电源; 一个交流（AC）电源; 至少一个堆叠的交流（AC）相，每个堆叠的交流（AC）相具有至少两个或更多个全桥转换器，每个分别耦合到一个直流电源，每个全桥转换器具有电感耦合 到; 以及本地控制器，耦合到每个全桥转换器，其控制所述全桥转换器中的开关装置的点火顺序，以在一个方向上作为电压源逆变器工作时产生大致接近正弦的电压波形，或者产生大致接近恒定的直流电流 DC）输出，作为相反方向的全波有源整流器工作。