Configurable hybrid converter circuit
    1.
    发明授权
    Configurable hybrid converter circuit 有权
    可配置混合转换电路

    公开(公告)号:US09350269B2

    公开(公告)日:2016-05-24

    申请号:US13388277

    申请日:2009-07-31

    Abstract: A circuit for a hybrid voltage source converter suitable for high voltage DC power transmission and reactive power compensation. The circuit comprises an assembly of electrically interconnected elements (Elements 1 to 20) including a plurality of first elements (Elements 1 to 6) and a plurality of second elements (Elements 7 to 20). Each of the first and second elements is configurable to be bypassed, to be disconnected or to include a circuit arrangement of one or more electronic components to construct, in use, a hybrid voltage source converter including at least one first element and at least one second element and in which the circuit arrangement included in the or each first element is different to the circuit arrangement included in the or each second element.

    Abstract translation: 用于混合电压源转换器的电路,适用于高压直流输电和无功补偿。 电路包括包括多个第一元件(元件1至6)和多个第二元件(元件7至20)的电互连元件(元件1至20)的组件。 第一和第二元件中的每一个可配置为被旁路,被断开或包括一个或多个电子部件的电路布置,以在使用中构建混合电压源转换器,该混合电压源转换器包括至少一个第一元件和至少一个第二元件 元件,并且其中包括在或每个第一元件中的电路布置与包括在或每个第二元件中的电路布置不同。

    CONVERTER
    3.
    发明申请
    CONVERTER 有权
    转换器

    公开(公告)号:US20120069610A1

    公开(公告)日:2012-03-22

    申请号:US13148370

    申请日:2009-02-09

    Abstract: A multilevel voltage source converter for high voltage DC power transmission and reactive power compensation. The voltage source converter includes at least one phase element including a plurality of semiconductor switches to interconnect a DC voltage and an AC voltage. The voltage source converter also includes at least one auxiliary converter to act as a waveform synthesizer to modify the DC voltage presented to the DC side of the phase element.

    Abstract translation: 一种用于高压直流输电和无功补偿的多电平电压源转换器。 电压源转换器包括至少一个相位元件,其包括多个半导体开关以互连直流电压和交流电压。 电压源转换器还包括至少一个辅助转换器,用作波形合成器,以修改呈现给相位元件的直流侧的直流电压。

    System and method for reversing accounting distortions and calculating a true value of a business
    4.
    发明授权
    System and method for reversing accounting distortions and calculating a true value of a business 有权
    扭转会计扭曲和计算企业真实价值的系统和方法

    公开(公告)号:US07752090B2

    公开(公告)日:2010-07-06

    申请号:US10636932

    申请日:2003-08-07

    Applicant: David Trainer

    Inventor: David Trainer

    CPC classification number: G06Q40/02 G06Q40/00 G06Q40/06 G06Q40/10 G06Q40/12

    Abstract: A method for reversing accounting distortions of financial information, comprising the steps of obtaining a set of financial information regarding an entity, the financial information including accounting distortions and notes detailing said accounting distortions; analyzing the financial information and notes to determine an accurate economic model; and using said accurate economic model to automatically determine the true profitability of an entity and comparatively value a plurality of expectations with respect to the financial information.

    Abstract translation: 一种扭转财务信息会计扭曲的方法,包括获取关于实体的一组财务信息的步骤,包括会计扭曲的财务信息和详细说明会计扭曲的说明; 分析财务信息和笔记,确定准确的经济模式; 并且使用所述准确的经济模型来自动确定实体的真实盈利能力并相对于财务信息对多个期望值进行估值。

    Converter
    5.
    发明授权
    Converter 失效
    转换器

    公开(公告)号:US08704498B2

    公开(公告)日:2014-04-22

    申请号:US13378586

    申请日:2009-06-15

    CPC classification number: H02M7/483 H02M2007/4835

    Abstract: A voltage source converter (10) for use in three-phase high voltage DC power transmission and reactive power compensation. The voltage source converter (10) comprises three converter limbs (12,14,16) connected in a bridge circuit arrangement wherein each of first and second converter limbs (12,14) includes a multilevel converter (18) and a third converter limb (16) includes a capacitor (20) on each side of a series AC phase connection (22). The multilevel converters (18) are controllable to synthesize waveforms at series AC phase connections (24,26) of the first and second converter limbs (12,14).

    Abstract translation: 一种用于三相高压直流输电和无功补偿的电压源转换器(10)。 电压源转换器(10)包括以桥式电路装置连接的三个转换器分支(12,14,16),其中第一和第二转换器分支(12,14)中的每一个包括多电平转换器(18)和第三转换器分支 16)包括在串联交流相位连接(22)的每一侧的电容器(20)。 多级转换器(18)可控制以在第一和第二转换器分支(12,14)的串联AC相位连接(24,26)处合成波形。

    Converter
    6.
    发明授权
    Converter 有权
    转换器

    公开(公告)号:US08599591B2

    公开(公告)日:2013-12-03

    申请号:US13380500

    申请日:2009-06-22

    CPC classification number: H02M7/483 H02M1/32 H02M2007/4835

    Abstract: A voltage source converter for use in high voltage DC power transmission and reactive power compensation. The voltage source converter comprises at least one converter limb including first and second DC terminals for connection in use to a DC network and an AC terminal for connection in use to an AC network.The or each converter limb defines first and second limb portions, each limb portion including at least one switching element connected in series with a chain-link converter between a respective one of the first and second DC terminals and the AC terminal. The switching elements of the first and second limb portions is operable to switch the respective chain-link converters in and out of circuit between the respective DC terminal and the AC terminal. The chain-link converters are operable to generate a voltage waveform at the AC terminal.

    Abstract translation: 一种用于高压直流电力传输和无功补偿的电压源转换器。 该电压源转换器包括至少一个转换器支路,该转换器支路包括第一和第二DC终端,用于连接到DC网络,以及AC终端用于连接到AC网络。 每个转换器肢体限定第一和第二肢体部分,每个肢体部分包括与第一和第二直流终端中的相应一个与AC端子之间的链节转换器串联连接的至少一个开关元件。 第一和第二肢体部分的开关元件可操作以在相应的直流端子和交流端子之间切换各链节转换器进出电路。 链式转换器可操作以在AC端产生电压波形。

    Converter with active fault current limitation
    7.
    发明授权
    Converter with active fault current limitation 有权
    转换器具有有源故障电流限制

    公开(公告)号:US09455575B2

    公开(公告)日:2016-09-27

    申请号:US13387698

    申请日:2009-07-31

    Abstract: A voltage source converter for high voltage DC power transmission is disclosed. According to one aspect, the voltage source converter is connectable between a DC network and another electrical network to interconnect the DC network and the other electrical network. The voltage source converter includes a converter unit configured to convert power flowing between the DC network and the other electrical network and at least one fault unit. One or more of the fault units includes at least one fault module having a voltage source that is operable, in the event of a short circuit in a DC network connected to the voltage source converter, to produce a voltage that acts to reduce current flowing through the voltage source converter and the short circuit.

    Abstract translation: 公开了一种用于高压直流电力传输的电压源转换器。 根据一个方面,电压源转换器可在DC网络和另一电网之间连接,以便互连DC网络和另一电网。 电压源转换器包括转换器单元,其被配置为转换在DC网络和另一电网之间流动的功率以及至少一个故障单元。 一个或多个故障单元包括至少一个具有电压源的故障模块,该电压源在连接到电压源转换器的DC网络中短路的情况下可操作,以产生用于减少流过电流的电压 电压源转换器和短路。

    Power electronic converter for use in high voltage direct current power transmission
    8.
    发明授权
    Power electronic converter for use in high voltage direct current power transmission 有权
    电力电子转换器用于高压直流输电

    公开(公告)号:US08934268B2

    公开(公告)日:2015-01-13

    申请号:US13639844

    申请日:2010-04-08

    Abstract: A power electronic converter for use in high voltage direct current power transmission and reactive power compensation which includes at least one converter limb including first and second DC terminals for connection in use to a DC network. The or each converter limb includes at least one first converter block and at least one second converter block connected between the first and second DC terminals. The or each first converter block includes a plurality of line-commutated thyristors and at least one first AC terminal for connection in use to an AC network. The or each second converter block includes at least one auxiliary converter including a plurality of self-commutated switching elements. The self-commutated switching elements are controllable in use to inject a voltage to modify a DC voltage presented to the DC side of the converter limb and/or modify an AC voltage and an AC current on the AC side of the power electronic converter.

    Abstract translation: 一种用于高压直流电力传输和无功补偿的电力电子转换器,其包括至少一个转换器支路,该转换器支路包括用于在直流网络中使用的连接的第一和第二直流端子。 该或每个转换器支路包括连接在第一和第二DC端子之间的至少一个第一转换器模块和至少一个第二转换器模块。 该或每个第一转换器块包括多个线路换向晶闸管和用于在AC网络中使用的连接的至少一个第一AC端子。 该或每个第二转换器块包括至少一个辅助转换器,其包括多个自换向开关元件。 自换向开关元件在使用中是可控制的,用于注入电压以改变呈现给转换器支路的DC侧的DC电压和/或修改电力电子转换器的AC侧的AC电压和AC电流。

    Converter
    9.
    发明授权
    Converter 有权
    转换器

    公开(公告)号:US08861231B2

    公开(公告)日:2014-10-14

    申请号:US13576920

    申请日:2010-02-09

    Abstract: A voltage source converter comprising three phase elements defining a star connection in which a first end of each phase element is connected to a common junction; at least two converter limbs, each converter limb including first and second DC terminals for connection in use to a DC network and an AC terminal connected in series with a second end of a phase element, each converter limb defining first and second limb portions, including a chain-link converter, each chain-link converter including chain-link modules; and a third DC terminal connected to the common junction of the star connection to define an auxiliary connection, wherein in use a current is injected into the auxiliary connection to modify a voltage of each chain-link module in each limb portion.

    Abstract translation: 一种电压源转换器,包括限定星形连接的三相元件,其中每个相位元件的第一端连接到公共接点; 至少两个转换器分支,每个转换器分支包括用于连接到DC网络的第一和第二DC终端以及与相元件的第二端串联连接的AC终端,每个转换器分支限定第一和第二分支部分,包括 链式转换器,每个链式转换器包括链式链接模块; 以及连接到星形连接的公共接头以限定辅助连接的第三DC端子,其中在使用中,将电流注入到辅助连接中以修改每个链条部分中每个链节模块的电压。

    CONVERTER
    10.
    发明申请
    CONVERTER 有权
    转换器

    公开(公告)号:US20130119970A1

    公开(公告)日:2013-05-16

    申请号:US13378336

    申请日:2009-06-15

    CPC classification number: H02M3/07 H02M2007/4835

    Abstract: A DC voltage source converter for use in high voltage DC power transmission comprising at least one chain-link converter connected between first and second DC terminals. The or each chain-link converter includes a chain of modules connected in series and each module including at least one pair of semiconductor switches connected in parallel with an energy storage device. The or each chain-link converter is operable when DC networks are connected to the first and second DC terminals to control switching of the modules to selectively charge or discharge the energy storage device of one or more of the modules, as required, to offset any difference in the DC voltage levels of the DC networks.

    Abstract translation: 一种用于高压直流电力传输的DC电压源转换器,包括连接在第一和第二DC端子之间的至少一个链式转换器。 链式或链式转换器包括串联连接的模块链,并且每个模块包括与能量存储装置并联连接的至少一对半导体开关。 当DC网络连接到第一和第二DC终端以控制模块的切换以根据需要选择性地对一个或多个模块的能量存储设备进行充电或放电时,链路或每个链路转换器可操作以抵消任何 直流电网直流电压的差异。

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