公开(公告)号：US20100264897A1

公开(公告)日：2010-10-21

申请号：US12762145

申请日：2010-04-16

申请人： Mats Larsson

发明人： Mats Larsson

IPC分类号： G05F3/02

CPC分类号： G05F1/14

摘要： A limitation of the interaction between cascaded tap changers and/or between a tap changer and a shunt compensator independently of any real-time communication between the respective controllers is disclosed. Coordinated voltage control in distribution networks can be achieved by an adaptive updating or tuning of control parameters DB4, TD4 of a voltage control unit controlling a second voltage control device, depending on instantaneous or actual operating conditions evaluated by the voltage control unit itself. Instead of using constant control parameters initially set by a commissioning engineer, the parameters are updated based on a voltage level UP4, which in turn is responsive to or affected by any control action performed by a first voltage control device neighboring the second voltage control device. The voltage control unit calculates a deviation of an instantaneous value of the voltage level from a reference value, and translates or maps this deviation to an update of its dead bands and/or time delay characteristics. Hence, the voltage control unit can anticipate, or determine a likelihood of, a control action of the first voltage control device, without the need for a real-time transmission of this information to the voltage control unit.

摘要翻译： 公开了独立于各个控制器之间的任何实时通信的级联抽头变换器之间和/或分接开关和分流补偿器之间的相互作用的限制。 配电网络中的协调电压控制可以通过根据由电压控制单元本身评估的瞬时或实际操作条件自适应地更新或调整控制第二电压控制装置的电压控制单元的控制参数DB4，TD4来实现。 代替使用初始由调试工程师设定的恒定控制参数，参数基于电压电平UP4来更新，电压电平UP4又响应或受到与第二电压控制装置相邻的第一电压控制装置执行的任何控制动作的影响。 电压控制单元计算电压电平的瞬时值与参考值的偏差，并将该偏差转换或映射到其死区和/或时间延迟特性的更新。 因此，电压控制单元可以预测或确定第一电压控制装置的控制动作的可能性，而不需要将该信息实时传输到电压控制单元。

公开(公告)号：US07808398B2

公开(公告)日：2010-10-05

申请号：US12215925

申请日：2008-06-30

申请人： Hap Nguyen ,  Chilinh Nguyen

发明人： Hap Nguyen ,  Chilinh Nguyen

IPC分类号： G08B23/00

CPC分类号： G05F1/14

摘要： A transformer system for sensing load requirements and controlling a transformer accordingly to reduce power consumption when the load is in a stand by mode. One embodiment of the system includes a transformer implemented to receive an input and transform the input for use by a load, a sensor connected between an output of the transformer and the load, a communication link including the sensor and being connected between the transformer and the load, and a control switch connected to the transformer and sensor through the communication link. The sensor detects a mode of load operation and communicates a corresponding load mode signal over the communication link.

摘要翻译： 一种用于感测负载要求并相应地控制变压器的变压器系统，以在负载处于待机模式时降低功耗。 该系统的一个实施例包括实现用于接收输入并转换输入以供负载使用的变压器，连接在变压器的输出端与负载之间的传感器，包括传感器并连接在变压器与 负载和通过通信链路连接到变压器和传感器的控制开关。 传感器检测负载操作的模式，并通过通信链路传送相应的负载模式信号。

公开(公告)号：US07636247B2

公开(公告)日：2009-12-22

申请号：US11968599

申请日：2008-01-02

申请人： Donald R. Disney

发明人： Donald R. Disney

IPC分类号： H02M3/335

CPC分类号： H01L29/7803 ,  G05F1/14 ,  H01L29/0634 ,  H01L29/0653 ,  H01L29/0847 ,  H01L29/407 ,  H01L29/42368 ,  H01L29/7802 ,  H01L29/7813 ,  H02M1/36 ,  H02M3/335 ,  H02M3/33507 ,  H02M3/33553 ,  H02M3/33561 ,  H02M2001/0009

摘要： A technique for controlling a power supply with power supply control element with a tap element. An example power supply control element includes a power transistor that has first and second main terminals, a control terminal and a tap terminal. A control circuit is coupled to the control terminal. The tap terminal and the second main terminal of the power transistor are to control switching of the power transistor. The tap terminal is coupled to provide a signal to the control circuit substantially proportional to a voltage between the first and second main terminals when the voltage is less than a pinch off voltage. The tap terminal is coupled to provide a substantially constant voltage that is less than the voltage between the first and second main terminals to the control circuit when the voltage between the first and second main terminals is greater than the pinch-off voltage.

摘要翻译： 一种用电源控制元件与抽头元件控制电源的技术。 示例性电源控制元件包括具有第一和第二主端子的功率晶体管，控制端子和抽头端子。 控制电路耦合到控制终端。 功率晶体管的抽头端子和第二主端子用于控制功率晶体管的开关。 当电压小于夹断电压时，抽头端子被耦合以向控制电路提供基本上与第一和第二主端子之间的电压成比例的信号。 当第一和第二主端子之间的电压大于夹断电压时，抽头端子被耦合以提供小于控制电路的第一和第二主端子之间的电压的基本恒定的电压。

公开(公告)号：US20080122414A1

公开(公告)日：2008-05-29

申请号：US10589197

申请日：2005-02-11

申请人： Stefan Solyom ,  Bo Lincoln ,  Anders Rantzer

发明人： Stefan Solyom ,  Bo Lincoln ,  Anders Rantzer

IPC分类号： G05F1/12 ,  G05F1/14

CPC分类号： G05F1/14

摘要： The present invention relates to voltage stabilization of electrical power networks, and in particular to a method for voltage stabilization of an electrical power network system comprising a producing power network system side and a consuming power network side to maintain voltage, wherein the power transfer YLD, wherein YLD is power load impedance, is dynamically maintained below the loci for maximum power transfer, n2YLDZLN=1, wherein YLD is power load impedance, ZLN is transmission line impedance and n is transformer ratio, preferably YLD is maintained at a stable equilibrium.

摘要翻译： 本发明涉及电力网络的电压稳定化，特别是涉及一种包括生产电力网络系统侧和消耗电力网络侧的电力网络系统的电压稳定方法以维持电压，其中， SUB> LD 其中Y LD功率负载阻抗被动态地维持在用于最大功率传输的位置下方，n 其中Y LD是功率负载阻抗，Z是传输线阻抗，n是变压器比，优选地是YLD 维持在稳定的平衡。

公开(公告)号：US20060028185A1

公开(公告)日：2006-02-09

申请号：US11019527

申请日：2004-12-23

申请人： Augusto Hernandez ,  Donald Down ,  Fred Rapant ,  Richard Kaluzny ,  Augusto Hernandez

发明人： Augusto Hernandez ,  Donald Down ,  Fred Rapant ,  Richard Kaluzny ,  Augusto Hernandez

IPC分类号： G05F1/656

CPC分类号： G05F1/147 ,  G05F1/14 ,  H01H2009/0061 ,  Y10T307/702 ,  Y10T307/924

摘要： Automatically changing the tap position in a load tap changer includes noting a polarity of a first tap position of a load tap changer. A duration for which one or more consecutive tap positions of the load tap changer collectively have had the noted polarity also is noted. The one or more consecutive tap positions include the first tap position. The duration for which the one or more consecutive tap positions collectively have had the noted polarity is compared to a threshold value. A change is made from the first tap position to a second tap position with a polarity that is different than the noted polarity when the duration for which the one or more consecutive tap positions collectively have had the noted polarity is longer than the threshold value. A change may be made from the second tap position back to the first tap position.

摘要翻译： 在有载分接开关中自动更改分接位置包括注意到有载分接开关的第一个分接位置的极性。 注意到有效抽头变换器的一个或多个连续抽头位置集中地具有所述极性的持续时间。 一个或多个连续的抽头位置包括第一抽头位置。 将一个或多个连续抽头位置集中地具有所述极性的持续时间与阈值进行比较。 当一个或多个连续的抽头位置具有所指示的极性的持续时间长于阈值时，从第一抽头位置到第二抽头位置的变化具有不同于所述极性的极性。 可以从第二分接位置返回到第一分接位置进行改变。

公开(公告)号：US20050104567A1

公开(公告)日：2005-05-19

申请号：US10837994

申请日：2004-05-03

申请人： Robert Beckwith

发明人： Robert Beckwith

IPC分类号： G05F1/14 ,  G05F1/70

CPC分类号： G05F1/14

摘要： Under load tapchanging voltage regulators with source and load connections, series and shunt transformers, switching devices for causing selectable levels of electric power to flow in either direction between the series and shunt transformers, and tapchanger controls for sensing the voltage at said load connections and causing the switching devices to select proper electric power flows so as to maintain desired voltages at the load connections.

摘要翻译： 具有源极和负载连接的负载变压调压器，串联和并联变压器，用于使串联和并联变压器之间的任意方向上的可选择电力水平流动的开关装置，以及用于感测所述负载连接处的电压并引起 开关装置选择合适的电力流，以便在负载连接处保持期望的电压。

公开(公告)号：US06865093B2

公开(公告)日：2005-03-08

申请号：US10446312

申请日：2003-05-27

申请人： Donald R. Disney

发明人： Donald R. Disney

IPC分类号： H02M3/28 ,  G05F1/14 ,  H01L29/06 ,  H01L29/08 ,  H01L29/40 ,  H01L29/423 ,  H01L29/78 ,  H02M3/335

CPC分类号： H01L29/7803 ,  G05F1/14 ,  H01L29/0634 ,  H01L29/0653 ,  H01L29/0847 ,  H01L29/407 ,  H01L29/42368 ,  H01L29/7802 ,  H01L29/7813 ,  H02M1/36 ,  H02M3/335 ,  H02M3/33507 ,  H02M3/33553 ,  H02M3/33561 ,  H02M2001/0009

摘要： A technique for controlling a power supply with power supply control element with a tap element. In one embodiment, a power supply regulator includes a power transistor having first, second, third and fourth terminals. A control circuit is included, which is coupled to the third and fourth terminals of the power transistor. The power transistor is configured to switch a current between the first and second terminals in response a control signal received from the control circuit at the third terminal. A voltage between the fourth and second terminals of the power transistor is substantially proportional to a current flowing between the first and second terminals when a voltage between the first and second terminals is less than a pinch off voltage. The voltage between the fourth and second terminals of the power transistor is substantially constant and less than the voltage between the first and second terminals when the voltage between the first and second terminals is greater than the pinch off voltage.

摘要翻译： 一种用电源控制元件与抽头元件控制电源的技术。 在一个实施例中，电源调节器包括具有第一，第二，第三和第四端子的功率晶体管。 包括控制电路，其耦合到功率晶体管的第三和第四端子。 功率晶体管被配置为响应于从第三端子处的控制电路接收的控制信号在第一和第二端子之间切换电流。 当第一和第二端子之间的电压小于夹断电压时，功率晶体管的第四和第二端子之间的电压基本上与在第一和第二端子之间流动的电流成比例。 当第一和第二端子之间的电压大于夹断电压时，功率晶体管的第四和第二端子之间的电压基本上是恒定的，并且小于第一和第二端子之间的电压。

公开(公告)号：US20040240233A1

公开(公告)日：2004-12-02

申请号：US10446312

申请日：2003-05-27

发明人： Donald R. Disney

IPC分类号： H02M003/335

CPC分类号： H01L29/7803 ,  G05F1/14 ,  H01L29/0634 ,  H01L29/0653 ,  H01L29/0847 ,  H01L29/407 ,  H01L29/42368 ,  H01L29/7802 ,  H01L29/7813 ,  H02M1/36 ,  H02M3/335 ,  H02M3/33507 ,  H02M3/33553 ,  H02M3/33561 ,  H02M2001/0009

摘要： A technique for controlling a power supply with power supply control element with a tap element. In one embodiment, a power supply regulator includes a power transistor having first, second, third and fourth terminals. A control circuit is included, which is coupled to the third and fourth terminals of the power transistor. The power transistor is configured to switch a current between the first and second terminals in response a control signal received from the control circuit at the third terminal. A voltage between the fourth and second terminals of the power transistor is substantially proportional to a current flowing between the first and second terminals when a voltage between the first and second terminals is less than a pinch off voltage. The voltage between the fourth and second terminals of the power transistor is substantially constant and less than the voltage between the first and second terminals when the voltage between the first and second terminals is greater than the pinch off voltage.

摘要翻译： 一种用电源控制元件与抽头元件控制电源的技术。 在一个实施例中，电源调节器包括具有第一，第二，第三和第四端子的功率晶体管。 包括控制电路，其耦合到功率晶体管的第三和第四端子。 功率晶体管被配置为响应于从第三端子处的控制电路接收的控制信号在第一和第二端子之间切换电流。 当第一和第二端子之间的电压小于夹断电压时，功率晶体管的第四和第二端子之间的电压基本上与在第一和第二端子之间流动的电流成比例。 当第一和第二端子之间的电压大于夹断电压时，功率晶体管的第四和第二端子之间的电压基本上是恒定的，并且小于第一和第二端子之间的电压。

公开(公告)号：US20040095102A1

公开(公告)日：2004-05-20

申请号：US10706652

申请日：2003-11-12

申请人： Baker Hughes Incorporated

发明人： Joseph C. Koudelka ,  Carlos E. Haramboure

IPC分类号： G05F001/14

CPC分类号： G05F1/14

摘要： method and apparatus for providing a photomultiplier power supply having a transformer with multiple secondary windings forming cells that can provide voltage ratios to a photomultiplier element in which the ratios can be adjusted by the method of connection to the cell, by the number of turns in the transformer, or by a combination of both.

摘要翻译： 用于提供具有多个次级绕组的变压器的光电倍增管电源的方法和装置，所述变压器具有多个次级绕组，所述多个次级绕组形成电池，所述多个次级绕组可以提供与通过连接到所述电池的方法可以调节所述比率的光电倍增元件的电压比， 变压器或两者的组合。

公开(公告)号：US20020067153A1

公开(公告)日：2002-06-06

申请号：US09728953

申请日：2000-12-01

发明人： David Fletcher ,  Richard Dean Blackburn ,  Joseph Rao

IPC分类号： G05F001/00

CPC分类号： G05F1/14

摘要： A method for dynamically determining tap position in a step voltage regulator is disclosed. A present tap position is determined and the value of an applied voltage across a tap changing mechanism is measured. Based upon the value of the applied voltage, a directional change in the tap position is detected. A trigger signal is also generated which is responsive to a detected change in tap position. Finally, a new tap position is calculated based upon the present tap position and the directional change in the tap position, when the trigger signal indicates that a change in tap position has taken place.

摘要翻译： 公开了一种在步进电压调节器中动态地确定抽头位置的方法。 确定当前抽头位置，并且测量分接头变换机构两端施加电压的值。 根据施加电压的值，检测分接位置的方向变化。 还产生触发信号，其响应于检测到的抽头位置的变化。 最后，当触发信号表示发生了抽头位置的变化时，基于抽头位置和抽头位置的方向变化来计算新的抽头位置。