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    • 7. 发明申请
    • Auto-protected power modules and methods
    • 自动保护的电源模块和方法
    • US20040223271A1
    • 2004-11-11
    • US10435694
    • 2003-05-09
    • Mladen Ivankovic
    • H02H005/04
    • H02P29/02B60H1/00428Y02T10/88
    • A linear power controller system may be implemented that includes locked-rotor protection circuitry that is primarily assembled using analog circuit components. The locked rotor protection circuitry may be part of a power module in the system. The power module may be a switched power source that includes temperature circuit. A control loop may be established in the system to maintain the voltage across a motor that is driver by the power module. Circuitry for establishing a close loop with a motor may be positioned in a control head in the system or in a power module in the system. Temperature protection circuitry may be integrated into a current source in the power module to provide automatic thermal shutdown of the current source. The linear power module may specifically include analog circuitry that is arranged to establish a control loop with the motor.
    • 可以实现线性功率控制器系统,其包括主要使用模拟电路部件组装的锁定转子保护电路。 锁定的转子保护电路可以是系统中功率模块的一部分。 电源模块可以是包括温度电路的开关电源。 可以在该系统中建立一个控制回路,以保持由电源模块驱动的电机两端的电压。 用于与马达建立闭合回路的电路可以位于系统中的控制头或系统中的功率模块中。 温度保护电路可以集成到电源模块中的电流源中,以提供电流源的自动热关断。 线性功率模块可以具体包括被配置为与电动机建立控制回路的模拟电路。
    • 10. 发明申请
    • Current limiting circuit
    • 限流电路
    • US20040169981A1
    • 2004-09-02
    • US10664844
    • 2003-09-17
    • Andy WerbackNhan NguyenJames Beninghaus
    • H02H003/08H02H005/04
    • G06F1/266G06F13/4068H02H9/001
    • A circuit is provided for limiting the in-rush current of a radio device coupled to a low-power external power source and includes a switch circuit in series between the power source and the radio device, the switch having an nulloffnull state with a high impedance and an nullonnull state with a low impedance. Also included is a time-delay shorting circuit coupled to the switch circuit, the time-delay shorting circuit having a time constant. In operation, before the time constant elapses, the switch circuit is in the high impedance nulloffnull state for limiting the in-rush current to the radio device and after the time constant elapses, the switch circuit is in the low impedance nullonnull state so that the radio device is powered by the external power source.
    • 提供一种用于限制耦合到低功率外部电源的无线电设备的浪涌电流并且包括串联在电源和无线电设备之间的开关电路的电路,该开关具有“断开”状态 高阻抗和具有低阻抗的“导通”状态。 还包括耦合到开关电路的时间延迟短路电路,时间延迟短路电路具有时间常数。 在工作中,在经过时间常数之前,开关电路处于高阻抗“截止”状态,用于限制到无线电设备的浪涌电流,并且在经过时间常数之后,开关电路处于低阻抗“开” 状态,使得无线电设备由外部电源供电。