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    • 4. 发明申请
    • Step-up converter having power factor correction
    • 升压转换器具有功率因数校正功能
    • US20050083022A1
    • 2005-04-21
    • US10952784
    • 2004-09-30
    • Alois BraunWalter LimmerJoachim Muhlschlegel
    • Alois BraunWalter LimmerJoachim Muhlschlegel
    • G05F1/70H02M1/00H02M1/42G05F1/10
    • H02M1/4225G05F1/70Y02B70/126
    • A step-up converter has a power factor correction, has an input for connection to a supply voltage, in particular a rectified AC voltage; an inductor, a diode and a storage capacitor, which are coupled in a series arrangement between the input and the output, in which the voltage that is dropped across the storage capacitor is provided at the output; a switch, which is coupled between a junction point between the inductor and the diode, on the one hand, and a reference potential, on the other hand; and a drive circuit for the switch which controls the times for which the switch remains closed and open; the drive circuit being designed to control the time for which the switch remains closed as a function of the freewheeling time of the inductor. A method for operating such a step-up converter is also disclosed.
    • 升压转换器具有功率因数校正,具有用于连接到电源电压的输入,特别是整流的AC电压; 电感器,二极管和存储电容器,其以输出和输出之间的串联布置耦合,其中在输出端提供在存储电容器上落下的电压; 另一方面,耦合在电感器和二极管之间的连接点和参考电位之间的开关; 以及用于开关的驱动电路,其控制开关保持闭合和打开的时间; 驱动电路被设计成根据电感器的续流时间来控制开关保持关闭的时间。 还公开了一种用于操作这种升压转换器的方法。
    • 7. 发明申请
    • Method and Circuit Arrangement for Making a Lamp Wattage Available for Operating at Least one Gas Discharge Lamp
    • 制造灯泡功率的方法和电路布置可用于最少一个气体放电灯的操作
    • US20110221354A1
    • 2011-09-15
    • US13125157
    • 2008-10-22
    • Alois BraunWalter LimmerMaximilian Schmidl
    • Alois BraunWalter LimmerMaximilian Schmidl
    • H05B41/36
    • H05B41/28H05B41/3924
    • A method for making a lamp wattage available for operating at least one gas discharge lamp depending on a dimming signal which is input into a wattage factor correction circuit, having a switch element that is switched on clocked by a switch-on time, wherein the wattage factor correction circuit emits an intermediate circuit voltage which in turn is input into a converter that makes the lamp wattage available, comprising the steps of: in an operating phase in which the dimming signal has no phase leading edge and no phase trailing edge, the wattage factor correction circuit and the converter are regulated independently of each other using a separate regulating circuit in each case; and in an operating phase in which the dimming signal has a phase leading edge or a phase trailing edge, the two independent regulating circuits are coupled to each other via a higher-order third regulating circuit such that the lamp wattage of the converter is adjusted such that the switch-on time of the switch element in the wattage factor correction circuit corresponds to a predetermined time.
    • 一种用于根据输入到功率因数校正电路的调光信号使灯功率可用于操作至少一个气体放电灯的方法,所述调光信号具有接通时间的开关元件,其中瓦特数 因子校正电路发出中间电路电压,该中间电路电压又被输入到使得灯功率可用的转换器中,包括以下步骤:在调光信号没有相位前沿且没有相位后沿的操作阶段中,瓦数 因子校正电路和转换器在每种情况下使用单独的调节电路彼此独立地调节; 并且在调光信号具有相位前沿或相位后沿的操作阶段中,两个独立调节电路经由较高阶的第三调节电路彼此耦合,使得转换器的灯功率被调整为 功率因数校正电路中的开关元件的接通时间对应于预定时间。
    • 8. 发明授权
    • Method and circuit arrangement for making a lamp wattage available for operating at least one gas discharge lamp
    • 用于使灯功率可用于操作至少一个气体放电灯的方法和电路装置
    • US08492994B2
    • 2013-07-23
    • US13125157
    • 2008-10-22
    • Alois BraunWalter LimmerMaximilian Schmidl
    • Alois BraunWalter LimmerMaximilian Schmidl
    • H05B41/28H05B41/392
    • H05B41/28H05B41/3924
    • A method for making a lamp wattage available for operating at least one gas discharge lamp depending on a dimming signal which is input into a wattage factor correction circuit, having a switch element that is switched on clocked by a switch-on time, wherein the wattage factor correction circuit emits an intermediate circuit voltage which in turn is input into a converter that makes the lamp wattage available, comprising the steps of: in an operating phase in which the dimming signal has no phase leading edge and no phase trailing edge, the wattage factor correction circuit and the converter are regulated independently of each other using a separate regulating circuit in each case; and in an operating phase in which the dimming signal has a phase leading edge or a phase trailing edge, the two independent regulating circuits are coupled to each other via a higher-order third regulating circuit such that the lamp wattage of the converter is adjusted such that the switch-on time of the switch element in the wattage factor correction circuit corresponds to a predetermined time.
    • 一种用于根据输入到功率因数校正电路的调光信号使灯功率可用于操作至少一个气体放电灯的方法,所述调光信号具有接通时间的开关元件,其中瓦特数 因子校正电路发出中间电路电压,该中间电路电压又被输入到使得灯功率可用的转换器中,包括以下步骤:在调光信号没有相位前沿且没有相位后沿的操作阶段中,瓦数 因子校正电路和转换器在每种情况下使用单独的调节电路彼此独立地调节; 并且在调光信号具有相位前沿或相位后沿的操作阶段中,两个独立调节电路经由较高阶的第三调节电路彼此耦合,使得转换器的灯功率被调整为 功率因数校正电路中的开关元件的接通时间对应于预定时间。