Method for controlling a rectifier circuit with controlled rectifiers and associated quenching devices
    5.
    发明授权
    Method for controlling a rectifier circuit with controlled rectifiers and associated quenching devices 失效
    用控制整流器和相关猝发装置控制整流器电路的方法

    公开(公告)号:US3849718A

    公开(公告)日:1974-11-19

    申请号:US31841072

    申请日:1972-12-26

    申请人: LICENTIA GMBH

    CPC分类号: H02M7/757 H02M1/06 H02P7/293

    摘要: In a method and corresponding circuitry for controlling a rectifier circuit having a controlled rectifier, the controlled rectifier is fired at an electrical angle Alpha and is quenched at an electrical angle Beta . A circuit arrangement is provided for establishing a quenching period during which quenching of the controlled rectifier occurs. This quenching period begins at an electrical angle after the A.C. supply current has reached its maximum value and ends prior to the electrical angle at which the A.C. supply voltage subsequently crosses through zero. The controlled rectifier is quenched at an angle Beta lying within the quenching period and having a value which is adjustable in dependence on a momentary value of the A.C. supply current.

    摘要翻译: 在用于控制具有受控整流器的整流器电路的方法和相应的电路中,可控整流器以电角度α被点火,并以电角度β被淬火。 提供了一种电路装置,用于建立淬火期,在此期间发生可控整流器的淬火。 在A.C.电源电流达到其最大值之后,该终止时间在电角度开始,并且在交流电源电压随后穿过零点的电角之前结束。 受控整流器在处于淬火周期内的角度β处淬火,并具有可根据交流电源电流的瞬时值调节的值。

    Pulsating current control system for series motors and the like using a controlled rectifier
    6.
    发明授权
    Pulsating current control system for series motors and the like using a controlled rectifier 失效
    使用控制的整流器对系列电机和类似的电流控制系统进行调节

    公开(公告)号:US3619752A

    公开(公告)日:1971-11-09

    申请号:US3619752D

    申请日:1969-01-24

    申请人: PFAFF AG G M

    发明人: BATEIKA GEDIMINAS

    IPC分类号: H02P7/293 H02P5/16

    CPC分类号: H02P7/293 Y10S388/919

    摘要: In a series-wound motor speed control system comprising a solid state controlled rectifier connected in series with the motor and a source of pulsating rectified current, the rectifier is controlled by a synchronized unijunction transistor triggering pulse former including an RC timing network. The time position of the triggering pulses is subject to a threefold control, namely, a manual control, by varying the resistance of the network, to adjust the motor speed, a first automatic control in dependence upon variations of the motor load, and a second automatic control depending upon supply voltage variations, to maintain the adjusted motor speed constant independently of said variations.

    Circuit arrangement for regulating a voltage, corresponding system and method

    公开(公告)号:US11990829B2

    公开(公告)日:2024-05-21

    申请号:US17698791

    申请日:2022-03-18

    摘要: A configurable voltage regulating circuit includes first through fourth switches. A flying capacitor is coupled between a common mode node and a pump node, and a sense resistance network is coupled between an output node and an input of an error amplifier and configured to provide a sensed output voltage. The error amplifier receives at another input a reference voltage and generates an error signal. A charging circuit supplies a charging current to the pump node, and controls the value of the charging current as a function of the error signal. A switch command signals generator generates respective first, second, third, and fourth switch signals to control the first switch, second switch, third switch, and fourth switch. The generator sets the configurable voltage regulating circuit as either a charge pump or a linear regulator based the input voltage being less than a first threshold or greater than a second threshold.

    Control method and control device for electric vehicle

    公开(公告)号:US10972020B2

    公开(公告)日:2021-04-06

    申请号:US16618002

    申请日:2017-06-01

    摘要: The control method for an electric vehicle sets a motor torque command value based on vehicle information and controls torque of a first motor connected to a first drive wheel which is one of a front drive wheel and a rear drive wheel. The control method for an electric vehicle calculates a first torque command value by a feedforward computation based on the motor torque command value, detects a rotation angular velocity of the first motor, and estimates a rotation angular velocity of the first motor based on the first torque command value by using a vehicle model Gp(s) that simulates a transfer characteristic from a torque input to the first drive wheel to a rotation angular velocity of the first motor.

    Method and drive for elevator DC drive motor stabilization
    10.
    发明授权
    Method and drive for elevator DC drive motor stabilization 失效
    电梯直流驱动电机稳定的方法和驱动

    公开(公告)号:US4684856A

    公开(公告)日:1987-08-04

    申请号:US637870

    申请日:1984-08-06

    申请人: Matti Kahkipuro

    发明人: Matti Kahkipuro

    摘要: A method and device for elevator DC drive motor speed control stabilization system in which current data and speed data are used as feed-back information. The current regulator is approximated by an ideal integrator, and mathematical model thereby obtained is used for determining the amplification and time constants of the control system speed loop or loops, and these system parameters are compensated by providing short instruction accentuations for achieving practically delay-free compliance with instructions.

    摘要翻译: 一种用于电梯直流驱动电机速度控制稳定系统的方法和装置,其中使用当前数据和速度数据作为反馈信息。 电流调节器由理想的积分器近似,由此获得的数学模型用于确定控制系统速度环路或环路的放大和时间常数,并且这些系统参数通过提供短指令重现来实现实际上无延迟 符合说明。