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    • 1. 发明授权
    • Method and apparatus for driving a transistorized polyphase pulse
inverter
    • 用于驱动晶体管多相脉冲逆变器的方法和装置
    • US4599686A
    • 1986-07-08
    • US645812
    • 1984-08-30
    • Manfred MullerKarl Klausecker
    • Manfred MullerKarl Klausecker
    • B60R16/02H02M7/5387H02M1/12
    • H02M7/53875B60R2016/0322
    • A pulse-inverter, especially a transistor inverter, is required to generate a system of polyphase output voltages as symmetrical as possible, having, for instance, trapezoidal waveforms. For this purpose, several reference voltages having different waveforms are generated wherein each section of an output voltage coincides with a section of a reference voltage. These reference voltages are pulse-width-modulated with a high-frequency sampling frequency and an inverted sampling frequency to form pulse width modulated reference voltages and pulse width modulated inverted reference voltages, respectively. The pulse-width-modulated reference voltages and pulse width modulated inverted reference voltages are coupled to the control lines of the inverter switches so as to generate, section by section, the output voltages having the reference waveform. All reference voltages and components used for generating the driving signal for one inverter output are also used for generating the driving signals of the other outputs so that a symmetrical system of driving voltages is produced without costly adjustments.
    • 需要脉冲逆变器,特别是晶体管反相器,以产生尽可能对称的多相输出电压的系统,具有例如梯形波形。 为此,产生具有不同波形的几个参考电压,其中输出电压的每个部分与参考电压的一部分重合。 这些参考电压以高频采样频率和反相采样频率进行脉冲宽度调制,分别形成脉宽调制参考电压和脉宽调制反相参考电压。 脉冲宽度调制的参考电压和脉冲宽度调制的反相参考电压耦合到逆变器开关的控制线,以逐块地产生具有参考波形的输出电压。 用于产生一个逆变器输出的驱动信号的所有参考电压和组件也用于产生其它输出的驱动信号,从而产生对称的驱动电压系统而不需要昂贵的调整。