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    • 1. 发明申请
    • DC Capacitor-less Power Converters
    • 直流无电容电源转换器
    • US20120307531A1
    • 2012-12-06
    • US13486627
    • 2012-06-01
    • Hamid A. ToliyatMahshid Amirabadi
    • Hamid A. ToliyatMahshid Amirabadi
    • H02M5/45
    • H02M5/4585Y02B70/145
    • Three resonance-based universal power converter topologies are disclosed. One includes a partially resonant parallel L-C link and incorporates intermediate cross-over switching circuits between the link stage and each of the input and output stages (which are constructed using unidirectional switches), thereby permitting the partially resonant circuit to be operated bi-directionally. A second includes a partially resonant series LC link in parallel with the input and output networks. A third includes a partially resonant series LC link in series between the input and output networks. The input and output networks can be formed from either bidirectional switches or a combination of unidirectional switches and intermediate cross-over switching circuits, permitting the partially resonant circuit to be operated bi-directionally. All embodiments permit the use of smaller reactive components in the link stage and the use of AC rather than DC capacitors, which reduces size and costs of the device while increasing the reliability.
    • 公开了三种基于共振的通用功率转换器拓扑。 一个包括部分谐振并联的L-C链路,并且在链路级和每个输入和输出级之间(其使用单向开关构成)中并入中间交叉转换电路,从而允许部分谐振电路双向操作。 第二个包括与输入和输出网络并联的部分共振串联LC链路。 第三个包括在输入和输出网络之间串联的部分共振串联LC链路。 输入和输出网络可以由双向开关或单向开关和中间交叉开关电路的组合形成,允许部分谐振电路双向操作。 所有实施例允许在链路级中使用较小的无功部件以及使用AC而不是直流电容器,这降低了器件的尺寸和成本,同时提高了可靠性。
    • 2. 发明授权
    • DC capacitor-less power converters
    • 直流无电容电源转换器
    • US08988900B2
    • 2015-03-24
    • US13486627
    • 2012-06-01
    • Hamid A. ToliyatMahshid Amirabadi
    • Hamid A. ToliyatMahshid Amirabadi
    • H02M3/335H02M5/458
    • H02M5/4585Y02B70/145
    • Three resonance-based universal power converter topologies are disclosed. One includes a partially resonant parallel L-C link and incorporates intermediate cross-over switching circuits between the link stage and each of the input and output stages (which are constructed using unidirectional switches), thereby permitting the partially resonant circuit to be operated bi-directionally. A second includes a partially resonant series LC link in parallel with the input and output networks. A third includes a partially resonant series LC link in series between the input and output networks. The input and output networks can be formed from either bidirectional switches or a combination of unidirectional switches and intermediate cross-over switching circuits, permitting the partially resonant circuit to be operated bi-directionally. All embodiments permit the use of smaller reactive components in the link stage and the use of AC rather than DC capacitors, which reduces size and costs of the device while increasing the reliability.
    • 公开了三种基于共振的通用功率转换器拓扑。 一个包括部分谐振并联的L-C链路,并且在链路级和每个输入和输出级之间(其使用单向开关构成)中并入中间交叉转换电路,从而允许部分谐振电路双向操作。 第二个包括与输入和输出网络并联的部分共振串联LC链路。 第三个包括在输入和输出网络之间串联的部分共振串联LC链路。 输入和输出网络可以由双向开关或单向开关和中间交叉开关电路的组合形成,允许部分谐振电路双向操作。 所有实施例允许在链路级中使用较小的无功部件以及使用AC而不是直流电容器,这降低了器件的尺寸和成本,同时提高了可靠性。
    • 4. 发明授权
    • Multi-phase induction motor drive system and method
    • 多相感应电动机驱动系统及方法
    • US06426605B1
    • 2002-07-30
    • US09617393
    • 2000-07-17
    • Hamid A. ToliyatRuhe ShiHuangsheng Xu
    • Hamid A. ToliyatRuhe ShiHuangsheng Xu
    • H02P541
    • H02P27/06
    • A multiphase induction motor system is disclosed. The system comprises a motor having at least five phases and comprising a stator and a rotor. For each phase, the motor receives a command current to power the motor, where the command current has a fundamental frequency. A processor determines, for each phase, at least one harmonic component of a signal indicative of the fundamental frequency, generates a command current from the harmonic component and the fundamental frequency, and supplies the command current to the stator. A method for operating a multiphase induction motor system is disclosed. A first command current is supplied to a motor having at least five phases, where the first command current powers the motor. The first command current has a fundamental frequency, and the motor comprises a stator and a rotor. For each phase, at least one harmonic component of a signal indicative of the fundamental frequency is determined. A second command current is generated from the harmonic component and the fundamental frequency. The second command current is supplied to the stator.
    • 公开了一种多相感应电动机系统。 该系统包括具有至少五相的电动机,并且包括定子和转子。 对于每相,电机接收指令电流以为电机供电,其中指令电流具有基频。 处理器为每个相位确定指示基频的信号的至少一个谐波分量,从谐波分量和基频产生指令电流,并将指令电流提供给定子。 公开了一种操作多相感应电动机系统的方法。 向具有至少五相的电动机提供第一指令电流,其中第一指令电流对电动机供电。 第一指令电流具有基频,并且电动机包括定子和转子。 对于每个相位,确定指示基频的信号的至少一个谐波分量。 从谐波分量和基频产生第二指令电流。 第二个指令电流被提供给定子。