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    • 4. 发明申请
    • METHOD AND SYSTEM FOR CONTROLLING RESONANT CONVERTERS USED IN SOLAR INVERTERS
    • 用于控制太阳能逆变器中使用的谐振转换器的方法和系统
    • WO2011102910A1
    • 2011-08-25
    • PCT/US2011/000318
    • 2011-02-22
    • PETRA SOLAR INC.JOSHI, MadhuMODICK, BruceTRANSDAFIR, TitiDECKER, RonKUTKUT, Nasser
    • JOSHI, MadhuMODICK, BruceTRANSDAFIR, TitiDECKER, RonKUTKUT, Nasser
    • H02M3/24
    • H02M3/3376Y02B70/1433
    • The present invention proposes a method and a system for controlling resonant converters used in solar Inverters. The resonant converters may operate in one or more pre-defined switching modes such as, but not limited to, a full bridge mode, a half bridge mode, a pulse width modulation mode, a pulse skipping mode, and an AC line voltage pulse skipping mode. The method includes generating a reference current based on values of voltage and current of a Direct Current (DC) voltage source and an output of the solar inverter. The method further includes comparing the reference current and a sensed current, wherein the sensed current is collected from the output of the solar inverter. After this, a plurality of drive signals for controlling the operation of the resonant converter are generated based on the comparison of the reference current and the sensed current. The operation of the resonant converter is controlled by switching the resonant converter in the pre-defined switching modes.
    • 本发明提出了一种用于控制太阳能逆变器中使用的谐振转换器的方法和系统。 谐振转换器可以以一个或多个预定义的开关模式操作,例如但不限于全桥模式,半桥模式,脉宽调制模式,脉冲跳跃模式和AC线电压脉冲跳跃 模式。 该方法包括基于直流(DC)电压源和太阳能逆变器的输出的电压和电流值产生参考电流。 该方法还包括比较参考电流和感测电流,其中从太阳能逆变器的输出收集所感测的电流。 此后,基于参考电流和感测电流的比较,产生用于控制谐振转换器的操作的多个驱动信号。 谐振转换器的操作通过以预定义的开关模式切换谐振转换器来控制。