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1. 发明申请

WO2015062975A1 VOLTAGE SOURCE CONVERTER 审中-公开
标题翻译：电压源转换器
公开(公告)号：WO2015062975A1
公开(公告)日：2015-05-07
申请号：PCT/EP2014/072786
申请日：2014-10-23
申请人： ALSTOM TECHNOLOGY LTD
发明人： TRAINER, David, Reginald , JASIM, Omar, Fadhel , DYKE, Kevin, James , CLARE, Jonathan, Charles
IPC分类号： H02M1/12 , H02M1/15 , H02J3/36 , H02M7/483
CPC分类号： H02M7/483 , H02J3/36 , H02J2003/365 , H02M1/12 , H02M1/15 , H02M2007/4835 , Y02E60/60
摘要： A voltage source converter (10) comprising first and second DC terminals (12,14) for connection to a DC electrical network (42) and at least one limb (16) connected between the first and second terminals (12,14). The limb (16) includes a phase element (18) having a plurality of switching elements (54) and at least one AC terminal for connection to an AC electrical network (30), the plurality of switching elements (54) being configured to be controllable to facilitate power conversion between the AC and DC electrical networks (30,42). The voltage source converter (10) also includes a tertiary sub-converter (32) connected in series with the phase element (18) in an electrical block. The tertiary sub-converter (32) is configured to be controllable to act as a waveform synthesizer to modify a first DC voltage presented to a DC side of the phase element (18). A quarternary sub-converter (36) is connected in series with the tertiary sub-converter (32), the quarternary sub-converter (36) being configured to be controllable to act as a waveform synthesizer to modify a second DC voltage presented to the DC electrical network (42). An auxiliary sub-converter (38) is connected in parallel with the electrical block and connected to a common connection point between the tertiary and quarternary sub- converters (32,36) to form a "T" arrangement. The auxiliary sub-converter (38) is configured to be controllable to act as a waveform synthesizer to modify the first and second DC voltages.
摘要翻译：一种电压源转换器（10），包括用于连接到DC电网（42）的第一和第二DC端子（12,14）和连接在第一和第二端子（12,14）之间的至少一个支路（16）。所述肢体（16）包括具有多个开关元件（54）和至少一个用于连接到AC电网（30）的AC端子的相位元件（18），所述多个开关元件（54）被配置为可控制以便于AC和DC电网之间的功率转换（30,42）。电压源转换器（10）还包括在电气块中与相元件（18）串联连接的第三子转换器（32）。第三子转换器（32）被配置为可控制以用作波形合成器，以修改呈现给相位元件（18）的DC侧的第一DC电压。第三副转换器（36）与第三子转换器（32）串联连接，所述第三副转换器（36）被配置为可控制以用作波形合成器，以修改向第直流电网（42）。辅助子转换器（38）与电气块并联连接并连接到第三级和第三级转换器（32,36）之间的公共连接点，以形成“T”排列。辅助子转换器（38）被配置为可控制以用作波形合成器以修改第一和第二DC电压。

2. 发明公开

EP3063860A1 VOLTAGE SOURCE CONVERTER 审中-公开
标题翻译：电压源转换器
公开(公告)号：EP3063860A1
公开(公告)日：2016-09-07
申请号：EP14790564.0
申请日：2014-10-23
申请人： ALSTOM Technology Ltd
发明人： TRAINER, David, Reginald , JASIM, Omar, Fadhel , DYKE, Kevin, James , CLARE, Jonathan, Charles
IPC分类号： H02M1/12 , H02M1/15 , H02J3/36 , H02M7/483
CPC分类号： H02M7/483 , H02J3/36 , H02J2003/365 , H02M1/12 , H02M1/15 , H02M2007/4835 , Y02E60/60
摘要： A voltage source converter 10 comprises first and second DC terminals 12,14 for connection to a DC electrical network 42 and at least one limb 16 connected between the first and second terminals. The limb includes a phase element 18 having a plurality of switching elements 54 and at least one AC terminal for connection to an AC electrical network 30.The switching elements are controllable to facilitate power conversion between the AC and DC electrical networks. The voltage source converter also includes a tertiary sub-converter 32, connected in series with the phase element in an electrical block, and controllable to act as a waveform synthesizer to modify a first DC voltage presented to a DC side of the phase element. A quaternary sub-converter 36 is connected in series with the tertiary sub-converter, and is controllable to act as a waveform synthesizer to modify a second DC voltage presented to the DC electrical network. An auxiliary sub-converter 38 is connected in parallel with the electrical block and connected to a common connection point between the tertiary and quaternary sub-converters to form a "T" arrangement. The auxiliary sub-converter is controllable to act as a waveform synthesizer to modify the first and second DC voltages.
摘要翻译：一种电压源转换器（10），包括用于连接到DC电网（42）的第一和第二DC端子（12,14）以及连接在第一和第二端子（12,14）之间的至少一个支路（16）。所述支路（16）包括具有多个开关元件（54）和用于连接到AC电网（30）的至少一个AC端子的相元件（18），所述多个开关元件（54）被配置为可控制以促进AC和DC电网（30,42）之间的功率转换。电压源转换器（10）还包括在电气块中与相元件（18）串联连接的第三级子转换器（32）。三级子变换器（32）被配置为可控制的，以充当波形合成器以修改呈现给相位元件（18）的DC侧的第一DC电压。四分之一子变换器（36）与三级子变换器（32）串联连接，四分之一子变换器（36）被配置为可控的以充当波形合成器以修改呈现给 DC电网（42）。辅助变流器（38）与电气块并联连接并且连接到三级和四元子变流器（32,36）之间的公共连接点以形成“T”排列。辅助子变换器（38）被配置为可控制的以充当波形合成器以修改第一和第二DC电压。

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