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    • 3. 发明授权
    • Inverter comprising at least two controllable load thyristors
    • 逆变器包括至少两个可控负载晶闸管
    • US4191994A
    • 1980-03-04
    • US943068
    • 1978-09-18
    • Gerhard KratzWerner Kuehnel
    • Gerhard KratzWerner Kuehnel
    • H02M7/515
    • H02M7/5155
    • The disclosure relates to an inverter comprising at least two controllable load thyristors. One diode each is connected in antiparallel fashion with each load thyristor, which diode is a component of a commutation installation for the corresponding load thyristor. The commutation installation manifests two LC-series oscillatory circuits, which are dimensioned for two different load currents. There is present for each LC-series oscillatory circuit one pair each of commutation thyristors. The two commutation thyristors of one of the two pairs, respectively, are alternately ignited such that, during the commutation of the load thyristors the commutation current can flow in a low impedance circuit.
    • 本公开涉及一种包括至少两个可控负载晶闸管的逆变器。 一个二极管各自与每个负载晶闸管以反向并联的方式连接,该二极管是相应负载晶闸管的换向安装的组件。 换向安装显示两个LC系列振荡电路,其尺寸适用于两种不同的负载电流。 每个LC串联振荡电路存在一对每个换向晶闸管。 交替点燃两对中的一对的两个换向晶闸管,使得在负载晶闸管的换向期间,换向电流可以在低阻抗电路中流动。
    • 4. 发明授权
    • Control device for a direct current semiconductor regulator
    • 用于直流半导体调节器的控制装置
    • US4634943A
    • 1987-01-06
    • US775473
    • 1985-09-12
    • Horst ReickGerhard Kratz
    • Horst ReickGerhard Kratz
    • H02M3/158H02P7/00
    • H02M3/1584Y02T10/7258
    • An inductive load 1, more specifically a direct current motor, is fed by a direct current source through a semiconductor regulator which contains two parallel switching controllable semiconductor rectifier elements with identical conduction direction which in turn are in series with a respective one-half of center tapped output autotransformer. Parallel to the semiconductor regulator is an additional and identical semiconductor regulator. The center tap points of both semiconductor regulator autotransformers are connected with the terminals of a third output autotransformer which is similarly center tapped, whereby the center tap point of the third output autotransformer is connected to a terminal (+) of the inductive load. The control assembly is made in such a manner that it produces clock frequency signals with identical control levels for both semiconductor rectifier elements; however, these signals for the two parallel switching arrangements are, electrically offset by 90 degrees. In this way, it is possible to operate the motor in RPM ranges where a minimum of ripple current is obtainable.
    • 感性负载1,特别是直流电动机由直流电源馈送通过半导体调节器,该半导体调节器包含具有相同导电方向的两个并联的开关可控半导体整流器元件,该导通方向又与相应的一半中心 抽头输出自耦变压器。 与半导体调节器并联是一个额外且相同的半导体调节器。 两个半导体调节器自耦变压器的中心抽头点与第三输出自耦变压器的端子相连,该第三输出自耦变压器类似地进行中心抽头,由此第三输出自耦变压器的中心抽头点连接到电感负载的端子(+)。 控制组件以这样一种方式制造,以便它们为半导体整流元件产生具有相同控制电平的时钟频率信号; 然而,用于两个并联开关装置的这些信号电偏移90度。 以这种方式,可以在可获得最小纹波电流的RPM范围内操作电机。
    • 8. 发明授权
    • Inverter comprising at least two controllable load thyristors
    • 逆变器包括至少两个可控负载晶闸管
    • US4191993A
    • 1980-03-04
    • US943067
    • 1978-09-18
    • Gerhard KratzWerner Kuehnel
    • Gerhard KratzWerner Kuehnel
    • H02M7/515
    • H02M7/5155
    • The disclosure relates to an inverter comprising at least two controllable load thyristors which connect a load alternately with the poles of a feed d.c. voltage source. There is connected in parallel with each load thyristor one diode each which is a component of a commutation installation. The commutation installation manifests an LC-series oscillatory circuit dimensioned for a specified load current, and, manifests, for each load thyristor a controllable commutation thyristor which forms a closed circuit with the LC-series oscillatory circuit and its diode. The LC-series oscillatory circuit is connected to an auxiliary d.c. voltage source of a constant voltage via a reloading circuit.
    • 本公开涉及一种逆变器,其包括至少两个可控负载晶闸管,其将负载与馈送直流的极交替地连接。 电压源。 与每个负载晶闸管并联连接一个二极管,每个二极管是换向安装的组件。 整流装置显示了一个用于规定负载电流的LC系列振荡电路,并且表明,对于每个负载晶闸管,可控制的换向晶闸管与LC系列振荡电路及其二极管形成闭合电路。 LC系列振荡电路连接到辅助直流电路。 通过重新加载电路的恒定电压的电压源。