A MODULAR INVERTER SYSTEM
    78.
    发明公开
    A MODULAR INVERTER SYSTEM 审中-公开
    模块化人体模型

    公开(公告)号:EP2867973A1

    公开(公告)日:2015-05-06

    申请号:EP13808682.2

    申请日:2013-06-28

    IPC分类号: H02J3/36 H02M7/48

    摘要: The present invention is directed to a system configured to be connected to an AC power grid having at least one AC phase signal. The system includes at least one inverter module comprising a first inverter having a plurality of first switch elements coupled to a direct current (DC) voltage and actuated in accordance with a first set of control signals based on the at least one AC phase signal. The first inverter provides a first voltage signal having predetermined harmonic components. The at least one inverter module further comprises a second inverter including a plurality of second switch elements coupled to the DC voltage and actuated in accordance with a second set of control signals phase delayed with respect to the first set of control signals. The second switching inverter providing a second voltage signal having the predetermined harmonic components. At least one transformer module includes at least one first primary winding coupled to the first inverter and at least one second primary winding coupled to the second inverter. The transformer module further includes at least one secondary winding coupled to the at least one first primary winding, the at least one second primary winding and the AC power grid for each at least one AC phase signal. The secondary winding is configured to provide a secondary output voltage to the AC power grid by combining the first voltage signal and the second voltage signal such that the predetermined harmonic components are substantially cancelled.

    摘要翻译: 本发明涉及一种被配置为连接到具有至少一个AC相位信号的交流电网的系统。 该系统包括至少一个逆变器模块,该逆变器模块包括第一逆变器,其具有耦合到直流(DC)电压的多个第一开关元件,并且基于至少一个AC相位信号根据第一组控制信号而被致动。 第一反相器提供具有预定谐波分量的第一电压信号。 所述至少一个逆变器模块还包括第二反相器,其包括耦合到所述DC电压的多个第二开关元件,并且根据相对于所述第一组控制信号延迟相位的第二组控制信号而被致动。 第二开关逆变器提供具有预定谐波分量的第二电压信号。 至少一个变压器模块包括耦合到第一逆变器的至少一个第一初级绕组和耦合到第二逆变器的至少一个第二初级绕组。 变压器模块还包括耦合到至少一个第一初级绕组,至少一个第二初级绕组和用于每个至少一个AC相位信号的AC电网的至少一个次级绕组。 次级绕组被配置为通过组合第一电压信号和第二电压信号来向AC电网提供次级输出电压,使得预定谐波分量基本上被取消。