Method and apparatus for controlling a phase angle of AC power to keep DC voltage from an energy source constant
    2.
    发明授权
    Method and apparatus for controlling a phase angle of AC power to keep DC voltage from an energy source constant 有权
    用于控制AC功率的相位角以保持来自能量源的DC电压恒定的方法和装置

    公开(公告)号:US06414853B2

    公开(公告)日:2002-07-02

    申请号:US09449436

    申请日:1999-11-24

    CPC classification number: H02J3/28 H02J15/00

    Abstract: A transfer of power between an energy storage device and a load is controlled by obtaining a DC voltage from the energy storage device, and controlling a phase angle of AC power delivered to the load to keep the DC voltage substantially constant. The phase angle of the AC power is controlled by controlling a current component of the AC power.

    Abstract translation: 通过从能量存储装置获取直流电压来控制能量存储装置和负载之间的电力传递,并且控制传送到负载的交流电力的相位角以保持直流电压基本恒定。 通过控制交流电力的电流分量来控制交流电力的相位角。

    Voltage regulation of a utility power network

    公开(公告)号:US06577108B2

    公开(公告)日:2003-06-10

    申请号:US10196707

    申请日:2002-07-15

    CPC classification number: H02J3/1842 Y02E40/22

    Abstract: Power compensation is provided from a power compensation device to a utility power network carrying a nominal voltage. The power compensation device has a steady-state power delivery characteristic. The power compensation is provided by detecting a change of a predetermined magnitude in the nominal voltage on the utility power network and controlling the power compensation device to deliver, for a first period of time and in response to the detected change in the nominal voltage, reactive power to the utility power network. The power compensation device is controlled to deliver, for a second period of time following the first period of time, reactive power to the utility power network at a level that is a factor N(N>1) greater than the steady-state power delivery characteristic of the power compensation device.

    Voltage regulation of a utility power network
    4.
    再颁专利
    Voltage regulation of a utility power network 有权
    公用电力网络的电压调节

    公开(公告)号:USRE41170E1

    公开(公告)日:2010-03-30

    申请号:US11655817

    申请日:2007-01-19

    CPC classification number: H02J3/1842 Y02E40/22

    Abstract: Power compensation is provided from a power compensation device to a utility power network carrying a nominal voltage. The power compensation device has a steady-state power delivery characteristic. The power compensation is providing by detecting a change of a predetermined magnitude in the nominal voltage on the utility power network and controlling the power compensation device to deliver, for a first period of time and in response to the detected change in the nominal voltage, reactive power to the utility power network. The power compensation device is controlled to deliver, for a second period of time following the first period of time, reactive power to the utility power network at a level that is a factor N(N>1) greater than the steady-state power delivery characteristic of the power compensation device.

    Abstract translation: 功率补偿从功率补偿装置提供给承载标称电压的公用电力网络。 功率补偿装置具有稳态功率传递特性。 通过检测公用电力网络上的额定电压中的预定幅度的变化来提供功率补偿,并且控制功率补偿装置在第一时间段内并且响应于检测到的标称电压的变化而响应于电力 电力公用电力网络。 功率补偿装置被控制以在第一时间段之后的第二时间段内以大于稳态功率输送的因子N(N> 1)的水平传送到公用电力网络的无功功率 功率补偿装置的特点。

    Method and apparatus for discharging a superconducting magnet
    5.
    发明授权
    Method and apparatus for discharging a superconducting magnet 失效
    用于放电超导磁体的方法和装置

    公开(公告)号:US06445555B1

    公开(公告)日:2002-09-03

    申请号:US09449505

    申请日:1999-11-24

    CPC classification number: H01F6/003 H02J15/00 Y02E40/67

    Abstract: Circuitry detects a quench in a superconducting magnet and discharges the superconducting magnet into a load, such as a utility system, at a substantially constant voltage. The circuitry can be an inverter, arranged between the superconducting magnet and the load, which may operate in overload mode during discharge. Discharging occurs until the amount of energy in the superconducting magnet is below a predetermined level.

    Abstract translation: 电路检测超导磁体中的淬火,并将超导磁体以基本恒定的电压放电到诸如公用事业系统的负载中。 电路可以是布置在超导磁体和负载之间的逆变器,其可以在放电期间以过载模式操作。 发生放电直到超导磁体中的能量的量低于预定水平。

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