CONTROL CIRCUIT
    11.
    发明申请
    CONTROL CIRCUIT 有权
    控制电路

    公开(公告)号:US20150009594A1

    公开(公告)日:2015-01-08

    申请号:US14378319

    申请日:2012-03-01

    Abstract: The control circuit includes first and second primary terminals for connection to a DC network, a secondary terminal connected in series between the first and second primary terminals and at least one auxiliary energy conversion element and an auxiliary terminal. The first and second primary terminals have a plurality of modules and a plurality of primary energy conversion elements connected in series therebetween to define a current transmission path, each module including at least one energy storage device, each energy storage device being selectively removable from the current transmission path. The plurality of modules include a first module and a second module the first module being connected in series with at least one primary energy conversion element between the first primary terminal and the secondary terminal to define a first current transmission path portion, and the second module being connected in series with at least one other primary energy conversion element between the second primary terminal and the secondary terminal to define a second current transmission path portion. The auxiliary energy conversion element is connected in series between the secondary and auxiliary terminals, the auxiliary terminal being for connection to ground.

    Abstract translation: 控制电路包括用于连接到DC网络的第一和第二初级端子,串联连接在第一和第二主要端子与至少一个辅助能量转换元件和辅助端子之间的次级端子。 第一和第二主端子具有多个模块和多个一次能量转换元件,其间串联连接以限定当前传输路径,每个模块包括至少一个能量存储装置,每个能量存储装置可从电流选择性地移除 传输路径。 多个模块包括第一模块和第二模块,第一模块与第一主要端子和次级端子之间的至少一个主要能量转换元件串联连接以限定第一电流传输路径部分,第二模块是 与第二主要端子和次级端子之间的至少一个其它主要能量转换元件串联连接以限定第二电流传输路径部分。 辅助能量转换元件串联连接在辅助端子和辅助端子之间,辅助端子用于连接到地面。

    Configurable hybrid converter circuit
    12.
    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 with active fault current limitation
    13.
    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。

    Control circuit for DC network to maintain zero net change in energy level
    14.
    发明授权
    Control circuit for DC network to maintain zero net change in energy level 有权
    直流网络的控制电路维持零能量水平的净变化

    公开(公告)号:US09209693B2

    公开(公告)日:2015-12-08

    申请号:US14356882

    申请日:2011-11-07

    Abstract: There is a control circuit comprising first and second DC terminals for connection to a DC network, the first and second DC terminals having a plurality of modules and at least one energy conversion element connected in series therebetween to define a current transmission path, the plurality of modules defining a chain-link converter, each module including at least one energy storage device, the or each energy storage device being selectively removable from the current transmission path to cause a current waveform to flow from the DC network through the current transmission path and the or each energy conversion element and thereby remove energy from the DC network, the or each energy storage device being selectively removable from the current transmission path to modulate the current waveform to maintain a zero net change in energy level of the chain-link converter.

    Abstract translation: 存在包括用于连接到DC网络的第一和第二DC端子的控制电路,所述第一和第二DC端子具有多个模块和至少一个在其间串联连接的能量转换元件,以限定当前传输路径, 限定链式转换器的模块,每个模块包括至少一个能量存储装置,所述或每个能量存储装置可选地从当前传输路径移除,以使电流波形从DC网络流过当前传输路径,并且 或每个能量转换元件,从而从DC网络去除能量,所述或每个能量存储装置可选择性地从当前传输路径移除,以调制电流波形,以维持链式转换器的能量级别的零净变化。

    Power electronic converter for use in high voltage direct current power transmission
    15.
    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。

Patent Agency Ranking