System and method for controlling a power generation system connected to a weak grid
    101.
    发明授权
    System and method for controlling a power generation system connected to a weak grid 有权
    用于控制连接到弱电网的发电系统的系统和方法

    公开(公告)号:US09503007B2

    公开(公告)日:2016-11-22

    申请号:US14663490

    申请日:2015-03-20

    CPC classification number: H02P9/007 F03D9/255 H02P9/00 H02P23/26 Y02E10/725

    Abstract: A method for controlling a power generation system connected to a weak grid may generally include operating a power converter of the system so as to produce current at or above a power factor threshold associated with a power factor operating requirement for the system, detecting that a generator speed of the system has increased over a period of time, detecting that a local reference voltage for the system has decreased within the same period of time over which the generator speed has increased and adjusting the operation of the power converter to produce current at a reduced power factor below the power factor threshold so as to increase a real power output of the system.

    Abstract translation: 用于控制连接到弱电网的发电系统的方法通常可以包括操作系统的功率转换器,以产生等于或高于与系统的功率因数运行要求相关联的功率因数阈值的电流,检测发电机 系统的速度在一段时间内增加,检测到系统的局部参考电压在发电机速度增加的相同时间内已经减少,并且调节功率转换器的工作以产生电流减少 功率因数低于功率因数阈值,以增加系统的实际功率输出。

    Energy storage system for renewable energy source
    102.
    发明授权
    Energy storage system for renewable energy source 有权
    可再生能源储能系统

    公开(公告)号:US09455568B2

    公开(公告)日:2016-09-27

    申请号:US14253095

    申请日:2014-04-15

    Abstract: Renewable energy power systems, DC to DC converters, and methods for operating energy storage systems are provided. A system includes a power converter having a DC bus, and an energy storage system coupled to the DC bus of the power converter. The energy storage system includes an energy storage device and a switching power supply coupled between the energy storage device and the DC bus of the power converter. The switching power supply includes a plurality of switching elements, and an energy storage device protection circuit coupled between the plurality of switching elements and the energy storage device, the energy storage device protection circuit including a solid state switch. The switching power supply further includes a fuse coupled to the energy storage device protection circuit.

    Abstract translation: 提供了可再生能源电力系统,直流到直流转换器和操作储能系统的方法。 一种系统包括具有DC总线的功率转换器和耦合到功率转换器的DC总线的能量存储系统。 能量存储系统包括耦合在能量存储装置和功率转换器的DC总线之间的能量存储装置和开关电源。 开关电源包括多个开关元件,以及耦合在所述多个开关元件和所述能量存储装置之间的能量存储装置保护电路,所述能量存储装置保护电路包括固态开关。 开关电源还包括耦合到能量存储装置保护电路的熔丝。

    Systems and methods for controlling battery charging
    103.
    发明授权
    Systems and methods for controlling battery charging 有权
    控制电池充电的系统和方法

    公开(公告)号:US09431846B2

    公开(公告)日:2016-08-30

    申请号:US13712431

    申请日:2012-12-12

    CPC classification number: H02J7/0077 H02J3/32 H02J7/0021

    Abstract: Systems and methods for controlling battery charging are disclosed. According to one embodiment of the disclosure, a method can include receiving battery state information; determining, based on the battery state information, whether to adjust battery models; and, if so, adjusting the battery models.

    Abstract translation: 公开了用于控制电池充电的系统和方法。 根据本公开的一个实施例,一种方法可以包括接收电池状态信息; 基于电池状态信息确定是否调节电池模型; 如果是这样,调整电池型号。

    GATE DRIVE CIRCUIT AND METHOD OF OPERATING SAME
    104.
    发明申请
    GATE DRIVE CIRCUIT AND METHOD OF OPERATING SAME 有权
    闸门驱动电路及其操作方法

    公开(公告)号:US20160182034A1

    公开(公告)日:2016-06-23

    申请号:US14574548

    申请日:2014-12-18

    Abstract: A gate drive circuit for applying a voltage to a gate of a semiconductor switching device is disclosed. The gate drive circuit includes a gate drive controller that provides voltage commands for operating the semiconductor switching device, a plurality of primary gate resistors coupled between the gate drive controller and the semiconductor switching device, one or more secondary gate resistors connected in parallel with the primary gate resistors, a primary transistor connected in series with each of the primary gate resistors, and a secondary transistor connected in series with each of the secondary gate resistors. Further, one of the primary or secondary transistors receives the one or more voltage commands from the gate drive controller and provides one or more corresponding voltage levels to the semiconductor switching device via one of the primary or secondary gate resistors so as to control the on-off behavior of the semiconductor switching device.

    Abstract translation: 公开了一种用于向半导体开关器件的栅极施加电压的栅极驱动电路。 栅极驱动电路包括栅极驱动控制器,其提供用于操作半导体开关器件的电压命令,耦合在栅极驱动控制器和半导体开关器件之间的多个初级栅极电阻器,与主要器件并联连接的一个或多个次级栅极电阻器 栅极电阻器,与每个主栅极电阻器串联连接的主晶体管,以及与每个次级栅极电阻器串联连接的次级晶体管。 此外,主晶体管或次晶体管中的一个晶体管从栅极驱动控制器接收一个或多个电压指令,并且经由主栅极电阻器或次级栅极电阻器之一向半导体开关器件提供一个或多个相应的电压电平, 关闭半导体开关器件的行为。

    Power unit control system
    105.
    发明授权
    Power unit control system 有权
    动力单元控制系统

    公开(公告)号:US09337657B2

    公开(公告)日:2016-05-10

    申请号:US13687831

    申请日:2012-11-28

    Abstract: A system is provided that includes a plurality of power units each configured to supply power. Additionally, the system includes a plurality of contacts each configured to toggle an electrical connection of each of the plurality of power units as a network. Moreover, the network is configured to supply power to a load. Furthermore, the system includes a controller configured to control when each of the plurality of contacts toggle according to a power state, and the power state includes information regarding a charge of each power unit, a load demand, and a supplied power being supplied by the plurality of power units.

    Abstract translation: 提供一种系统,其包括多个被配置成供电的功率单元。 另外,该系统包括多个触点,每个触点被配置为将作为网络的多个功率单元中的每一个的电连接切换。 此外,网络被配置为向负载供电。 此外,该系统包括:控制器,被配置为控制多个触点中的每一个根据功率状态何时切换,并且功率状态包括关于每个功率单元的充电,负载需求和由 多个动力装置。

    System and method of power conversion
    106.
    发明授权
    System and method of power conversion 有权
    电源转换系统及方法

    公开(公告)号:US09231492B2

    公开(公告)日:2016-01-05

    申请号:US14148223

    申请日:2014-01-06

    Abstract: Systems and methods for converting power are presented. The power conversion includes conducting load current through a first current path of multiple current paths in a power conversion unit using switches, diodes, or a combination thereof. The power conversion also includes blocking one or more additional current paths of the multiple current paths in the power conversion unit using one or more of the switches, one or more of the diodes, or a combination thereof. Furthermore, the power conversion includes reducing potential voltage stress on the one or more switches by using one or more voltage stress reduction switches to reduce a voltage that is blocked by the one or more blocking switches or diodes by connecting an end of each of the one or more switches opposite to a blocking edge to an intermediate voltage node.

    Abstract translation: 介绍了转换功率的系统和方法。 功率转换包括通过使用开关,二极管或其组合的功率转换单元中的多个电流路径的第一电流路径来传导负载电流。 功率转换还包括使用一个或多个开关,一个或多个二极管或其组合来阻断功率转换单元中的多个电流路径的一个或多个附加电流路径。 此外,功率转换包括通过使用一个或多个电压应力降低开关来降低一个或多个开关上的潜在电压应力,以通过将一个或多个开关或二极管中的每一个的一端连接来减小被一个或多个阻塞开关或二极管阻塞的电压 或更多的开关与中间电压节点的阻塞边缘相对。

    SYSTEM AND METHOD FOR CONTROLLING SWITCHING ELEMENTS WITHIN A SINGLE-PHASE BRIDGE CIRCUIT
    107.
    发明申请
    SYSTEM AND METHOD FOR CONTROLLING SWITCHING ELEMENTS WITHIN A SINGLE-PHASE BRIDGE CIRCUIT 有权
    用于控制单相桥式电路中的开关元件的系统和方法

    公开(公告)号:US20150084337A1

    公开(公告)日:2015-03-26

    申请号:US14036039

    申请日:2013-09-25

    Abstract: In one aspect, a method for controlling the operation of switching elements contained within a single-phase bridge circuit of a power convertor may include monitoring gate voltages of a first switching element and a second switching element of the single-phase bridge circuit and controlling the first and second switching elements so that each switching element is alternated between an activated state and a deactivated state. In addition, the method may include transmitting a gating command signal to adjust the first switching element from the deactivated state to the activated state when: a first gate drive command is received that is associated with switching the first switching element to the activated state; a second gate drive command is received that is associated with switching the second switching element to the deactivated state; and the gate voltage of the second switching element is less than a predetermined voltage threshold.

    Abstract translation: 一方面,用于控制包含在功率转换器的单相桥式电路中的开关元件的操作的方法可以包括监视单相桥式电路的第一开关元件和第二开关元件的栅极电压,并且控制 第一和第二开关元件,使得每个开关元件在激活状态和去激活状态之间交替。 此外,该方法可以包括:当接收到与将第一开关元件切换到激活状态相关联的第一栅极驱动命令时,发送选通命令信号以将第一开关元件从禁用状态调整到激活状态; 接收与第二开关元件切换到去激活状态相关联的第二栅极驱动命令; 并且第二开关元件的栅极电压小于预定电压阈值。

    Switching-based control for a power converter
    108.
    发明授权
    Switching-based control for a power converter 有权
    电源转换器基于开关控制

    公开(公告)号:US08853876B1

    公开(公告)日:2014-10-07

    申请号:US13871309

    申请日:2013-04-26

    Abstract: A method for operating a power generation system that supplies power for application to a load is disclosed. The method may generally include receiving, at a power converter, an alternating current power generated by a generator operating at a speed that is substantially equal to its synchronous speed and converting, with the power converter, the alternating current power to an output power, wherein the power converter includes at least one switching element. In addition, the method may include receiving a control command to control a switching frequency of the at least one switching element and adjusting the switching frequency to an adjusted switching frequency that is substantially equal to a fundamental frequency of the load.

    Abstract translation: 公开了一种用于操作向负载施加电力的发电系统的方法。 该方法通常可以包括在功率转换器处接收由发电机产生的交流电力,该发电机以基本上等于其同步速度的速度运行,并且利用功率转换器将交流电力转换为输出功率,其中 功率转换器包括至少一个开关元件。 此外,该方法可以包括接收用于控制至少一个开关元件的开关频率并将开关频率调整到基本上等于负载的基频的调节开关频率的控制命令。

    SYSTEM AND METHOD FOR OPTIMIZATION OF DUAL BRIDGE DOUBLY FED INDUCTION GENERATOR (DFIG)
    109.
    发明申请
    SYSTEM AND METHOD FOR OPTIMIZATION OF DUAL BRIDGE DOUBLY FED INDUCTION GENERATOR (DFIG) 有权
    双桥双相感应发电机(DFIG)优化系统与方法

    公开(公告)号:US20140159677A1

    公开(公告)日:2014-06-12

    申请号:US13707965

    申请日:2012-12-07

    CPC classification number: H02P9/007 H02P27/04

    Abstract: The present subject matter is directed to systems and methods for improving reliability of dual bridge doubly fed induction generators (DFIGs) by reducing the number of required components in the converters associated with such DFIGs. A converter is constructed using a pair of current conducting bridges wherein one of the current conducting bridges is controlled and the second is not controlled. The uncontrolled bridge may correspond to a pair of diodes while the controlled bridge may correspond to a pair of transistors, in particular, a pair of IGBT transistors.

    Abstract translation: 本主题涉及通过减少与这种DFIG相关联的转换器中所需部件的数量来提高双桥双馈感应发电机(DFIG)的可靠性的系统和方法。 A转换器使用一对导电桥构成,其中电流导电桥之一被控制,而第二导电桥不受控制。 不受控制的桥可以对应于一对二极管,而受控桥可对应于一对晶体管,特别是一对IGBT晶体管。

Patent Agency Ranking