SWITCHING STAGE, ENERGY CONVERSION CIRCUIT, AND CONVERSION STAGE FOR WIND TURBINES COMPRISING THE ENERGY CONVERSION CIRCUIT
    1.
    发明申请
    SWITCHING STAGE, ENERGY CONVERSION CIRCUIT, AND CONVERSION STAGE FOR WIND TURBINES COMPRISING THE ENERGY CONVERSION CIRCUIT 有权
    开关级,能量转换电路,以及包含能量转换电路的风力发电机组的转换阶段

    公开(公告)号:US20150295515A1

    公开(公告)日:2015-10-15

    申请号:US14648357

    申请日:2012-11-30

    IPC分类号: H02M7/72

    摘要: The present invention relates to an energy conversion circuit comprising a switching stage with a positive DC voltage terminal (1), a negative DC voltage terminal (3), m−1 intermediate DC voltage terminals (2) m DC bus capacitors (5);and p linked cells consisting of m+1 switches (9) and at least one capacitor (10), connecting cell 1 to the positive DC voltage terminal (1), negative DC voltage terminals (3) and intermediate DC voltage terminals (2); and a multilevel converter, the output of which is connected to the AC voltage terminal (4), with a positive voltage terminal (12) and a negative voltage terminal (14) of the multilevel converter and m−1 intermediate voltage terminals of the multilevel converter (13), which are connected to the positive output terminal of the switching stage (6), to the negative output terminal of the switching stage (8), and to the m−1 intermediate output terminals of the switching stage (7), respectively.

    摘要翻译: 本发明涉及能量转换电路,其包括具有正直流电压端子(1),负直流电压端子(3),直流母线电容器(2),直流母线电容器(5)的中间直流电压端子 以及由m + 1个开关(9)和至少一个电容器(10)组成的p个连接单元,将单元1连接到正的直流电压端子(1),负的直流电压端子(3)和中间直流电压端子(2) ; 以及多电平转换器,其输出端连接到交流电压端子(4),多电平转换器的正电压端子(12)和负电压端子(14)以及多电平的m-1个中间电压端子 转换器(13)连接到开关级(6)的正输出端子到开关级(8)的负输出端,以及与开关级(7)的m-1个中间输出端相连, , 分别。