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    • 6. 发明申请
    • CONTROL CIRCUIT
    • 控制电路
    • WO2013068031A1
    • 2013-05-16
    • PCT/EP2011/069563
    • 2011-11-07
    • ALSTOM TECHNOLOGY LTDDAVIDSON, Colin, CharnockTRAINER, David, ReginaldOKAEME, Nnamdi
    • DAVIDSON, Colin, CharnockTRAINER, David, ReginaldOKAEME, Nnamdi
    • H02J3/36
    • H02M3/158H02H7/268H02J3/36H02M1/08H02M1/32H02M2007/4835Y02E60/60
    • There is a control circuit (30) comprising first and second DC terminals (32a, 32b) for connection to a DC network, the first and second DC terminals (32a, 32b) having a plurality of modules (34) and at least one energy conversion element (36) connected in series therebetween to define a current transmission path, the plurality of modules (34) defining a chain- link converter (44), each module (34) including at least one energy storage device (40), the or each energy storage device (40) 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 (36) and thereby remove energy from the DC network, the or each energy storage device (36) 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 (44).
    • 存在一种包括用于连接到DC网络的第一和第二DC端子(32a,32b)的控制电路(30),所述第一和第二DC端子(32a,32b)具有多个模块(34)和至少一个能量 转换元件(36)串联连接以限定当前传输路径,所述多个模块(34)限定链式链接转换器(44),每个模块(34)包括至少一个能量存储装置(40) 或每个能量存储装置(40)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和/或每个能量转换元件(36),从而从DC网络去除能量 ,所述或每个能量存储装置(36)可从所述当前传输路径选择性地移除,以调制所述电流波形以维持所述链式转换器(44)的能级的零净变化。
    • 7. 发明申请
    • IMPROVEMENTS IN OR RELATING TO THYRISTOR CLAMPED ASSEMBLIES
    • 改进或相关于钳位夹紧组件
    • WO2012143060A1
    • 2012-10-26
    • PCT/EP2011/056454
    • 2011-04-21
    • ALSTOM TECHNOLOGY LTDDAVIDSON, Colin, CharnockTRAINER, David, Reginald
    • DAVIDSON, Colin, CharnockTRAINER, David, Reginald
    • H01L25/11H01L23/62H01L23/40G08B13/186
    • H01L25/117H01L23/40H01L23/62H01L2924/0002H01L2924/00
    • A clamping failure detector assembly (30; 50; 70) comprises a frangible electromagnetic radiation conduit (32) that extends between first and second portions (34, 36) of at least one thyristor clamped assembly (10). The detector assembly (30; 50; 70) also includes a an electromagnetic radiation source (31) that is arranged in communication with a first end of the frangible conduit (32) and an electromagnetic radiation detector (33) that is arranged in communication with a second end of the frangible conduit (32). The frangible conduit (32) ruptures on movement of the first and second portions (34, 36) of the or each thyristor clamped assembly (10) away from one another to interrupt the transmission of electromagnetic radiation from the electromagnetic radiation source (31) to the electromagnetic radiation detector. The electromagnetic radiation detector (33) indicates a clamping failure when the electromagnetic radiation transmitted from the electromagnetic radiation source (31) is interrupted.
    • 夹紧失效检测器组件(30; 50; 70)包括在至少一个可控硅夹紧组件(10)的第一和第二部分(34,36)之间延伸的易碎电磁辐射导管(32)。 检测器组件(30; 50; 70)还包括电磁辐射源(31),其布置成与易碎导管(32)的第一端相连通,电磁辐射探测器(33)被布置成与 易碎管道(32)的第二端。 易碎导管(32)在每个晶闸管夹紧组件(10)的第一和第二部分(34,36)的运动彼此远离时断裂,以中断电磁辐射从电磁辐射源(31)到 电磁辐射探测器。 当从电磁辐射源(31)发射的电磁辐射被中断时,电磁辐射检测器(33)表示夹紧故障。
    • 9. 发明申请
    • M2LC SYSTEM WITH DUAL MODE OPERATION FOR ENERGY TRANSFER AND REACTIVE POWER COMPENSATION
    • 具有双模式操作的M2LC系统,用于能量传递和反应功率补偿
    • WO2013037400A1
    • 2013-03-21
    • PCT/EP2011/065807
    • 2011-09-13
    • ALSTOM TECHNOLOGY LTDDAVIDSON, Colin, CharnockLASNIER DE LAVALETTE, Elizabeth
    • DAVIDSON, Colin, CharnockLASNIER DE LAVALETTE, Elizabeth
    • H02M7/49H02J3/36H02J3/18H02M5/275
    • H02M7/49H02J3/1857H02J3/36H02M5/275H02M2007/4835Y02E40/26Y02E60/60
    • A dual mode voltage source converter (30) comprises first and second terminals (32,34) for connection in use to a first network (44a); at least one converter limb (36) extending between the first and second terminals (32,34) and having first and second limb portions (38,40) separated by a third terminal (42) for connection in use to an AC network (44b), each of the first and second limb portions (38,40) including at least one module (48) having at least one switching element connected to at least one energy storage device to selectively provide a voltage source; and a primary controller to switch the modules in the or each converter limb (36) in a first switching mode to generate a zero voltage at each of the first and second terminals (32,34) whereby the voltage source converter operates in a first mode of operation to exchange reactive power with the AC network, and to switch the modules in the or each converter limb in a further switching mode to generate a difference voltage across the first and second terminals (32,34) whereby the voltage source converter operates in a second mode of operation to exchange real power with the first network.
    • 双模式电压源转换器(30)包括用于在使用中连接到第一网络(44a)的第一和第二终端(32,34)。 至少一个在所述第一和第二端子(32,34)之间延伸并且具有由第三端子(42)分开的第一和第二肢体部分(38,40)的转换器臂(36),用于连接到AC网络(44b) ),所述第一和第二肢体部分(38,40)中的每一个包括至少一个模块(48),所述至少一个模块(48)具有连接到至少一个能量存储装置的至少一个开关元件,以选择性地提供电压源; 以及主控制器,用于以第一切换模式切换或转换器(36)中的模块以在第一和第二端子(32,34)中的每一个处产生零电压,由此电压源转换器以第一模式 与AC网络交换无功功率,以及在另一开关模式下切换或转换器中的模块,以在第一和第二端子(32,34)上产生差分电压,由此电压源转换器 与第一网络交换实际功率的第二操作模式。