Fixed gain electromagnetic actuator and electromagnetic bearing
incorporating same
    11.
    发明授权
    Fixed gain electromagnetic actuator and electromagnetic bearing incorporating same 失效
    固定增益电磁执行器和并入其的电磁轴承

    公开(公告)号:US5319273A

    公开(公告)日:1994-06-07

    申请号:US967251

    申请日:1992-10-26

    摘要: A fixed gain electromagnetic actuator for controlling the position of a body including at least two pair of a magnetically permeable pole spaced from the body, bias coils about each pole, separate control coils about each pole, a bias source for the bias coils providing a current in the bias coils producing a steady-state equal strength magnetic field on opposing sides of a body, and a control source for the control coils providing a current in the control coils for producing an increase in the magnetic field on one side of the body and a corresponding equivalent decrease in the magnetic field on the opposing side of the body to compensate for any external upsetting forces acting on the body.

    摘要翻译: 一种固定增益电磁致动器,用于控制主体的位置,该主体包括至少两对与本体间隔开的导磁柱,围绕每个极偏置线圈,围绕每个极分开控制线圈,用于偏置线圈的偏置源提供电流 偏置线圈在主体的相对侧产生稳态等强度磁场,以及用于控制线圈的控制源,用于在控制线圈中提供电流,用于增加主体一侧的磁场, 在体的相对侧上的磁场的相应的相应的减小以补偿作用在身体上的任何外部镦锻力。

    Energy storage attitude control and reference system
    12.
    发明授权
    Energy storage attitude control and reference system 失效
    储能姿态控制与参考系统

    公开(公告)号:US4723735A

    公开(公告)日:1988-02-09

    申请号:US687068

    申请日:1984-12-28

    摘要: An energy storage attitude control and reference system for a craft including at least two flywheels with their angular momenta balanced to produce zero net angular momentum and at least two motor/generator units each including one of the flywheels in its rotor structure. The system further includes one pair of bearings for supporting each of the flywheels, means for measuring the position of each flywheel relative to its bearings, means for resolving current to and from said motor/generator units, means for applying torques to each flywheel through its respective bearings for controlling attitude of the craft about two mutually perpendicular axes, and means for exerting torques to each flywheel through its respective motor/generator to provide attitude control of the craft about a third axis perpendicular to the first two and for controlling the energy storage level of the flywheels.

    摘要翻译: 一种用于飞行器的能量储存姿态控制和参考系统,其包括具有其角动量平衡的至少两个飞轮以产生零净角动量,以及至少两个马达/发电机单元,每个包括其转子结构中的一个飞轮。 该系统还包括一对用于支撑每个飞轮的轴承,用于测量每个飞轮相对于其轴承的位置的装置,用于将电流分离到所述马达/发电机单元和从所述马达/发电机单元分离的装置,用于通过其飞轮向每个飞轮施加转矩的装置 用于控制工作人员围绕两个相互垂直的轴线的姿态的相应的轴承,以及用于通过其相应的电动机/发电机向每个飞轮施加扭矩的装置,以提供围绕垂直于前两个的第三轴的飞行器的姿态控制,并且用于控制能量存储 飞轮的水平。

    Inertial energy storage device and synchronous rotary electrical machine
for use therein
    13.
    发明授权
    Inertial energy storage device and synchronous rotary electrical machine for use therein 失效
    惯性储能装置及同步旋转电机

    公开(公告)号:US4631456A

    公开(公告)日:1986-12-23

    申请号:US651071

    申请日:1984-09-17

    摘要: An inertial energy storage device including a synchronous rotary electrical machine for bidirectional conversion between mechanical and electrical energy including: a stator having two axially spaced sets of circumferentially spaced teeth; field excitation means disposed on the stator to provide an axially polarized magnetic field; stator windings including a plurality of coils, each of which surrounds at least one tooth from each set; and a rotor having a plurality of circumferentially spaced teeth facing the stator teeth, and a circumferential flywheel mass radially spaced from its rotational axis; and a motor control circuit including sensor means for sensing the position of the rotor relative to the stator; means, responsive to the sensor means, for generating a waveform for driving the machine when it is operating as a motor; a voltage control circuit for controlling the amplitude of the waveform for driving the machine; and a current control circuit for controlling amplitude of the current provided to the machine.

    摘要翻译: 一种惯性能量存储装置,包括用于机械和电能之间的双向转换的同步旋转电机,包括:定子,其具有两个轴向间隔开的一组周向间隔开的齿; 励磁装置设置在定子上以提供轴向偏振磁场; 定子绕组包括多个线圈,每个线圈围绕每组的至少一个齿; 以及转子,其具有面向定子齿的多个周向间隔开的齿,以及沿其旋转轴线径向间隔开的周向飞轮体; 以及电动机控制电路,包括用于感测转子相对于定子的位置的传感器装置; 响应于传感器装置的装置,用于当其作为电动机操作时产生用于驱动机器的波形; 用于控制用于驱动机器的波形的振幅的电压控制电路; 以及用于控制提供给机器的电流的幅度的电流控制电路。

    Self-regulating energy storage system
    14.
    发明授权
    Self-regulating energy storage system 失效
    自调节储能系统

    公开(公告)号:US4617507A

    公开(公告)日:1986-10-14

    申请号:US683373

    申请日:1984-12-19

    IPC分类号: H02J15/00 H02K7/02

    摘要: A self-regulating energy storage system including: an a.c. motor/generator including a rotor; a flywheel attached to the motor/generator; a device for monitoring the position of the motor/generator rotor; an element for resolving current to and from the motor/generator; a pulse width modulated bidirectional inverter interconnecting the motor/generator with a power supply bus to be regulated; a summing circuit for determining differences between a reference voltage and the voltage in the power supply bus to be regulated; and a pulse width modulation switch control responsive to the comparator circuit, to the device for monitoring, and to the element for resolving, for actuating the inverter to increase pulse width as a function of increase in the difference between the reference voltage and the voltage on the bus, and to increase current to the motor/generator in the motor direction when the bus voltage exceeds the reference voltage and to increase current from the motor/generator in the generator direction when the reference voltage exceeds the bus voltage.

    摘要翻译: 一种自调节储能系统,包括:a。 电机/发电机包括转子; 连接到电动机/发电机的飞轮; 用于监测电动机/发电机转子的位置的装置; 用于将电流分解到电动机/发电机的元件; 将电动机/发电机与要调节的电源总线相互连接的脉宽调制双向逆变器; 求和电路,用于确定参考电压与要调节的电源总线中的电压之间的差异; 以及响应于比较器电路的脉冲宽度调制开关控制,用于监视的装置和用于分解的元件,用于致动逆变器以增加作为参考电压和电压之间的差异的增加的脉冲宽度 总线,并且当总线电压超过参考电压时,在电动机方向上增加电动机/发电机的电流,并且当参考电压超过总线电压时,在发电机方向增加电动机/发电机的电流。

    Rotary electric machine and power conversion system using same
    15.
    发明授权
    Rotary electric machine and power conversion system using same 失效
    旋转电机和电力转换系统使用相同

    公开(公告)号:US4179729A

    公开(公告)日:1979-12-18

    申请号:US787930

    申请日:1977-04-15

    摘要: A power conversion system for converting between electrical power at different frequencies, including a rotary electrical machine including a rotor, a stator, first and second independently controllable field windings, and at least one armature winding for each phase; a switching circuit including a plurality of switching devices and having first terminal means interconnected with the armature winding which carries a high frequency signal established by the machine, and a second terminal for interconnection with an impedance establishing a lower frequency signal; the first field control circuit for monitoring the machine to sense phase difference between the optimum zero crossings and actual zero crossings of the higher frequency signal for driving the first field winding to adjust the phase of the higher frequency signal to minimize the phase difference; a second field control circuit for modulating the higher frequency signal carried by the armature winding with the lower frequency signal and for monitoring the second terminal means to sense amplitude difference between a selected one of the voltage and current parameters of the lower frequency signal and a reference level for driving the second field winding to adjust that parameter towards the reference level; and a switch firing circuit responsive to the machine voltage and one of the voltage and current parameters of the lower frequency signal at the second terminal means for selectively triggering to the on state and self-commutating to the off state the switching devices synchronously with the zero crossings of the higher frequency signal for transferring power between the higher and lower frequency signals through the switching circuit.

    摘要翻译: 一种用于在不同频率的电力之间转换的功率转换系统,包括包括转子,定子,第一和第二可独立控制的励磁绕组的旋转电机以及每相的至少一个电枢绕组。 开关电路,包括多个开关装置,并且具有与承载由所述机器建立的高频信号的所述电枢绕组互连的第一端子装置,以及用于与建立较低频率信号的阻抗互连的第二端子; 第一场控制电路,用于监测机器,以感测最佳过零点和实际过零点之间的相位差,用于驱动第一场线圈,以调整较高频率信号的相位以使相位差最小化; 第二场控制电路,用于利用较低频率信号调制由电枢绕组承载的较高频率信号,并用于监测第二终端装置,以检测低频信号的电压和电流参数中的所选择的一个以及参考 用于驱动第二场绕组以将该参数调整到参考水平; 以及响应于所述机器电压和所述第二端子装置处的所述较低频率信号的电压和电流参数之一的开关点火电路,用于选择性地触发到导通状态并且将所述开关装置与所述开关装置同步地自整定为断开状态 用于通过开关电路在较高和较低频率信号之间传输功率的较高频率信号的交叉。