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    Apparatus for detecting the amplitude and phase of an A.C. signal
    2.
    发明授权
    Apparatus for detecting the amplitude and phase of an A.C. signal 失效
    用于检测交流信号的振幅和相位的装置

    公开(公告)号：US5714877A

    公开(公告)日：1998-02-03

    申请号：US754504

    申请日：1996-11-19

    申请人： Toshiyuki Fujii ,  Shinzo Tamai ,  Hatsuhiko Naitoh ,  Naohiro Toki

    发明人： Toshiyuki Fujii ,  Shinzo Tamai ,  Hatsuhiko Naitoh ,  Naohiro Toki

    IPC分类号： G01R19/00 ,  G01R19/04 ,  G01R25/00 ,  G01R31/42 ,  H02H3/08 ,  H02H3/26

    CPC分类号： G01R25/00 ,  G01R19/0053 ,  G01R31/42

    摘要： An apparatus for detecting the amplitude and phase of an a.c. signal. The apparatus includes a signal detection circuit for detecting the a.c. signal, a signal splitting circuit for splitting the detected a.c. signal into first and second a.c. signals out of phase with each other by 90.degree.. The signal splitting circuit includes a low-pass filter, and a differentiation circuit. The apparatus also includes a phase compensation circuit coupled to the signal splitting circuit for receiving the first and second a.c. signals from the signal splitting circuit and for advancing the phase of an output signal of the apparatus by the phase lag of the low-pass filter. The phase compensation circuit also includes an amplitude and phased detection circuit for detecting the amplitude and phase of the detected a.c. signal by implementing a polar coordinate transformation of the first and second a.c. signals received from the signal splitting circuit.

    摘要翻译： 一种用于检测直流电压的振幅和相位的装置。 信号。 该装置包括用于检测直流电压的信号检测电路。 信号，用于分离检测到的交流电平的信号分离电路。 信号进入第一和第二个a.c. 信号异相90度。 信号分离电路包括低通滤波器和微分电路。 该装置还包括耦合到信号分离电路的相位补偿电路，用于接收第一和第二直流 来自信号分离电路的信号，并且通过低通滤波器的相位差推进装置的输出信号的相位。 相位补偿电路还包括幅度和相位检测电路，用于检测检测到的交流电的幅度和相位。 通过实施第一和第二等角的极坐标变换来发出信号。 从信号分离电路接收的信号。

    Apparatus for detecting the amplitude and phase of an a.c. signal
    6.
    发明授权
    Apparatus for detecting the amplitude and phase of an a.c. signal 失效
    用于检测交流电压的幅度和相位的装置 信号

    公开(公告)号：US5808462A

    公开(公告)日：1998-09-15

    申请号：US752316

    申请日：1996-11-19

    申请人： Toshiyuki Fujii ,  Shinzo Tamai ,  Hatsuhiko Naitoh ,  Naohiro Toki

    发明人： Toshiyuki Fujii ,  Shinzo Tamai ,  Hatsuhiko Naitoh ,  Naohiro Toki

    IPC分类号： G01R19/00 ,  G01R19/04 ,  G01R25/00 ,  G01R31/42 ,  H02H3/08 ,  H02H3/26

    CPC分类号： G01R25/00 ,  G01R19/0053 ,  G01R31/42

    摘要： An apparatus for detecting the amplitude and phase of an a.c. signal. The apparatus includes a signal detection circuit for detecting the a.c. signal, a signal splitting circuit for splitting the detected a.c. signal into first and second a.c. signals out of phase with each other by 90.degree.. The signal splitting circuit includes a first order lag circuit having a phase lag, a subtractor, and first and second amplifying circuits. The apparatus also includes a phase compensation circuit coupled to the signal splitting circuit for receiving the first and second a.c. signals from the signal splitting circuit and for advancing the phase of an output signal of the apparatus by the phase lag of the first order lag circuit. The phase compensation circuit also includes an amplitude and phase detection circuit for detecting the amplitude and phase of the detected a.c. signal by implementing a polar coordinate transformation of the first and second a.c. signals received from the signal splitting circuit.

    摘要翻译： 一种用于检测直流电压的振幅和相位的装置。 信号。 该装置包括用于检测直流电压的信号检测电路。 信号，用于分离检测到的交流电平的信号分离电路。 信号进入第一和第二个a.c. 信号异相90度。 信号分离电路包括具有相位滞后的第一级滞后电路，减法器以及第一和第二放大电路。 该装置还包括耦合到信号分离电路的相位补偿电路，用于接收第一和第二直流 来自信号分离电路的信号，并且用于使装置的输出信号的相位提前一阶滞后电路的相位滞后。 相位补偿电路还包括一个幅度和相位检测电路，用于检测检测到的交流电的幅度和相位。 通过实施第一和第二等角的极坐标变换来发出信号。 从信号分离电路接收的信号。

    Reactive-power control apparatus and reactive-power compensator using the same
    7.
    发明授权
    Reactive-power control apparatus and reactive-power compensator using the same 有权
    无功功率控制装置和无功功率补偿器

    公开(公告)号：US07688043B2

    公开(公告)日：2010-03-30

    申请号：US11819038

    申请日：2007-06-25

    申请人： Naohiro Toki ,  Masatoshi Takeda ,  Yoshiyuki Kono ,  Koji Temma

    发明人： Naohiro Toki ,  Masatoshi Takeda ,  Yoshiyuki Kono ,  Koji Temma

    IPC分类号： G05F1/70

    CPC分类号： H02J3/1864 ,  Y02E40/12

    摘要： In a conventional reactive-power compensator using a static reactive-power compensator (SVC), there are many cases in which the SVC is operating in a state in which it generates an amount of reactive power equivalent to a large part of its capacity. When an unforeseen large voltage fluctuation occurs in this state, the SVC can not sufficiently generate the amount of reactive power required to mitigate the voltage fluctuation. In some cases, such a voltage fluctuation can not be brought under control. To address this situation, a reactive-power compensator utilizes a reactive-power control apparatus that includes a comparison voltage generator for generating, for a control target voltage and to mitigate voltage fluctuation, a comparison voltage restricted within predetermined limits and obeying a predetermined time-lag characteristic. A differential voltage generator generates a differential voltage that is the difference between the comparison voltage and the control target voltage. A reactive-power control device controls, in response to the differential voltage, control-target reactive power generated by an SVC, at a time-related characteristic faster than the time-lag characteristic for the comparison voltage.

    摘要翻译： 在使用静态无功功率补偿器（SVC）的常规无功功率补偿器中，在许多情况下，SVC在其产生等于其容量的大部分的无功功率的状态下工作。 当在该状态下发生不可预见的大电压波动时，SVC不能充分产生减轻电压波动所需的无功功率量。 在某些情况下，这种电压波动不能受到控制。 为了解决这种情况，无功功率补偿器利用无功功率控制装置，该无功功率控制装置包括比较电压发生器，用于产生用于控制目标电压并减轻电压波动的限制在预定限度内的比较电压并且遵循预定的时间 - 滞后特征。 差分电压发生器产生作为比较电压和控制目标电压之差的差分电压。 无功功率控制装置响应于差分电压控制由SVC产生的控制目标无功功率，该时间相关特性比比较电压的时滞特性快。

    Reactive-power control apparatus and reactive-power compensator using the same
    8.
    发明申请
    Reactive-power control apparatus and reactive-power compensator using the same 有权
    无功功率控制装置和无功功率补偿器

    公开(公告)号：US20080157728A1

    公开(公告)日：2008-07-03

    申请号：US11819038

    申请日：2007-06-25

    申请人： Naohiro Toki ,  Masatoshi Takeda ,  Yoshiyuki Kono ,  Koji Temma

    发明人： Naohiro Toki ,  Masatoshi Takeda ,  Yoshiyuki Kono ,  Koji Temma

    IPC分类号： H02J3/18

    CPC分类号： H02J3/1864 ,  Y02E40/12

    摘要： In a conventional reactive-power compensator using a static reactive-power compensator (SVC), there are many cases in which the SVC is operating in a state in which it generates an amount of reactive power equivalent to a large part of its capacity. When an unforeseen large voltage fluctuation occurs in this state, the SVC can not sufficiently generate the amount of reactive power required to mitigate the voltage fluctuation. In some cases, such a voltage fluctuation can not be brought under control. To address this situation, a reactive-power compensator utilizes a reactive-power control apparatus that includes a comparison voltage generator for generating, for a control target voltage and to mitigate voltage fluctuation, a comparison voltage restricted within predetermined limits and obeying a predetermined time-lag characteristic. A differential voltage generator generates a differential voltage that is the difference between the comparison voltage and the control target voltage. A reactive-power control device controls, in response to the differential voltage, control-target reactive power generated by an SVC, at a time-related characteristic faster than the time-lag characteristic for the comparison voltage.

    摘要翻译： 在使用静态无功功率补偿器（SVC）的常规无功功率补偿器中，在许多情况下，SVC在其产生等于其容量的大部分的无功功率的状态下工作。 当在该状态下发生不可预见的大电压波动时，SVC不能充分产生减轻电压波动所需的无功功率量。 在某些情况下，这种电压波动不能受到控制。 为了解决这种情况，无功功率补偿器利用无功功率控制装置，该无功功率控制装置包括比较电压发生器，用于产生用于控制目标电压并减轻电压波动的限制在预定限度内的比较电压并且遵循预定的时间 - 滞后特征。 差分电压发生器产生作为比较电压和控制目标电压之差的差分电压。 无功功率控制装置响应于差分电压控制由SVC产生的控制目标无功功率，该时间相关特性比比较电压的时滞特性快。

    System stabilization control system
    9.
    发明授权
    System stabilization control system 有权
    系统稳定控制系统

    公开(公告)号：US07919951B2

    公开(公告)日：2011-04-05

    申请号：US11802531

    申请日：2007-05-23

    申请人： Naohiro Toki ,  Masatoshi Takeda ,  Yoshiyuki Kono ,  Koji Temma

    发明人： Naohiro Toki ,  Masatoshi Takeda ,  Yoshiyuki Kono ,  Koji Temma

    IPC分类号： G05F5/00

    CPC分类号： G05F1/70 ,  H02J3/1835 ,  Y02E40/12 ,  Y02E40/30

    摘要： In a system stabilizing control system of controlling reactive power by a reactive power compensating device according to a voltage variation of an electric power system in which a capacitor is connected to a bus through a breaker, when the bus voltage drops, the capacitor is closed through the breaker to suppress a leading compensation reactive power amount caused by the reactive power compensating device, and when the bus voltage rises, the capacitor is disconnected through the breaker to suppress a lagging compensation reactive power amount caused by the reactive power compensating device.

    摘要翻译： 在根据电力系统的电压变化通过无功功率补偿装置控制无功功率的系统稳定控制系统中，其中电容器通过断路器连接到总线，当总线电压下降时，电容器通过 所述断路器抑制由所述无功补偿装置引起的前导补偿无功功率量，并且当所述总线电压上升时，所述电容器通过所述断路器断开，以抑制由所述无功补偿装置引起的滞后补偿无功功率量。

    System stabilization control system
    10.
    发明申请
    System stabilization control system 有权
    系统稳定控制系统

    公开(公告)号：US20070279016A1

    公开(公告)日：2007-12-06

    申请号：US11802531

    申请日：2007-05-23

    申请人： Naohiro Toki ,  Masatoshi Takeda ,  Yoshiyuki Kono ,  Koji Temma

    发明人： Naohiro Toki ,  Masatoshi Takeda ,  Yoshiyuki Kono ,  Koji Temma

    IPC分类号： G05F1/70

    CPC分类号： G05F1/70 ,  H02J3/1835 ,  Y02E40/12 ,  Y02E40/30

    摘要： In a system stabilizing control system of controlling reactive power by a reactive power compensating device according to a voltage variation of an electric power system in which a capacitor is connected to a bus through a breaker, when the bus voltage drops, the capacitor is closed through the breaker to suppress a leading compensation reactive power amount caused by the reactive power compensating device, and when the bus voltage rises, the capacitor is disconnected through the breaker to suppress a lagging compensation reactive power amount caused by the reactive power compensating device.

    摘要翻译： 在根据电力系统的电压变化通过无功功率补偿装置控制无功功率的系统稳定控制系统中，其中电容器通过断路器连接到总线，当总线电压下降时，电容器通过 所述断路器抑制由所述无功补偿装置引起的前导补偿无功功率量，并且当所述总线电压上升时，所述电容器通过所述断路器断开，以抑制由所述无功补偿装置引起的滞后补偿无功功率量。