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1. 发明授权

US09570912B2 AC/DC converter station operated in dependence of voltage of capacitor connected in series between AC/DC converter and AC network interface and a method of operating the same 有权
标题翻译： AC / DC转换站根据AC / DC转换器和AC网络接口串联连接的电容器的电压进行工作，并采用其操作方法
公开(公告)号：US09570912B2
公开(公告)日：2017-02-14
申请号：US13582293
申请日：2010-03-04
申请人： Staffan Norrga , Tomas U Jonsson , Anshuman Shukla
发明人： Staffan Norrga , Tomas U Jonsson , Anshuman Shukla
IPC分类号： H02H7/125 , H02J3/36 , H02M7/757 , H02M7/483
CPC分类号： H02J3/36 , H02M7/7575 , H02M2007/4803 , H02M2007/4835 , Y02E60/60
摘要： The present invention relates to an AC/DC converter station for interconnection of a DC transmission line and an AC network, the AC/DC converter station including an AC/DC converter and a control system configured to control the AC/DC converter. The AC/DC converter station comprises a capacitor connected in series between the AC/DC converter and the AC network, and a voltage measurement device arranged to measure the voltage across the capacitor. The AC/DC converter further comprises a control system connected to the voltage measurement device and arranged to receive, from the voltage measurement device, a signal indicative of a measured voltage. The control system is arranged to perform the control of the AC/DC converter in dependence of the signal received from the voltage measurement device. The invention further relates to a method of operating an AC/DC converter station.
摘要翻译：本发明涉及一种用于直流传输线和交流网络互连的AC / DC转换站，该AC / DC转换站包括AC / DC转换器和配置成控制AC / DC转换器的控制系统。 AC / DC转换站包括串联连接在AC / DC转换器和AC网络之间的电容器，以及布置成测量电容器两端的电压的电压测量装置。 AC / DC转换器还包括连接到电压测量装置并被布置成从电压测量装置接收指示测量电压的信号的控制系统。控制系统被配置为根据从电压测量装置接收的信号执行AC / DC转换器的控制。本发明还涉及一种操作AC / DC转换器站的方法。

2. 发明申请

US20110044082A1 VOLTAGE SOURCE CONVERTER 有权
标题翻译：电压源转换器
公开(公告)号：US20110044082A1
公开(公告)日：2011-02-24
申请号：US12933357
申请日：2008-03-28
申请人： Staffan Norrga , Tomas U. Jonsson
发明人： Staffan Norrga , Tomas U. Jonsson
IPC分类号： H02M7/217
CPC分类号： H02M7/483 , B60L15/007 , H02M7/49 , H02M7/5388 , H02M2001/325 , H02M2007/4835 , Y02T10/645
摘要： A Voltage Source Converter having at least one phase leg connected to opposite poles of a direct voltage side of the converter and comprising a series connection of switching cells has an arrangement configured to apply a pressure to opposite ends of stacks of semiconductor assemblies for pressing the assemblies towards each other so as to obtain electric contact between semiconductor assemblies in said stack while ensuring that the semiconductor assemblies of a first path of each switching cell of the converter go into a permanently closed circuit state in case of a failure of the respective switching cell. A second path of each switching cell has means configured to keep said second path including an energy storing capacitor non-conducting upon occurrence of a said failure.
摘要翻译：一种电压源转换器，其具有连接到转换器的直流电压侧的相对极点的至少一个相位支路，并且包括开关单元的串联连接，该配置被配置为向半导体组件堆叠的相对端施加压力，用于按压组件朝向彼此以便在所述堆叠中的半导体组件之间获得电接触，同时确保在各个开关单元发生故障的情况下，转换器的每个开关单元的第一路径的半导体组件进入永久闭合电路状态。每个开关单元的第二路径具有被配置为在发生所述故障时保持包括储能电容器不导通的所述第二路径的装置。

3. 发明申请

US20130070495A1 AC/DC CONVERTER 有权
标题翻译： AC / DC转换器
公开(公告)号：US20130070495A1
公开(公告)日：2013-03-21
申请号：US13643985
申请日：2010-05-11
申请人： Tomas U Jonsson , Anshuman Shukla , Staffan Norrga , Kalpesh Hirjibhai Bhalodi , Praveen Kumar Barupati , Sabhasish Mukherjee , Sasitharan Subramanian
发明人： Tomas U Jonsson , Anshuman Shukla , Staffan Norrga , Kalpesh Hirjibhai Bhalodi , Praveen Kumar Barupati , Sabhasish Mukherjee , Sasitharan Subramanian
IPC分类号： H02M7/04
CPC分类号： H02M7/758 , H02J3/36 , H02M7/483 , H02M2007/4835 , Y02E60/60
摘要： The present invention relates to an AC/DC converter comprising at least two phase legs connected in series between first and second DC connection terminals of the AC/DC converter, wherein each phase leg comprises: an AC connection having first and second terminals arranged to connect the phase leg to a phase of an AC system; a phase branch comprising at least one converter cell and having first and second branch end terminals; and a capacitor. The capacitor is connected the between the first branch end terminal and the first AC connection terminal, so that the capacitor forms a DC blocking capacitor. The second AC terminal is connected to the second branch end terminal. The series connection of the phase legs between first and second DC connection terminal is such that a first series connection point in a phase leg is located between the first branch end terminal and the capacitor, while a second series connection point is located between the second branch end terminal and the second AC connection. The invention further relates to a method of operating such AC/DC converter.
摘要翻译：本发明涉及一种AC / DC转换器，其包括在AC / DC转换器的第一和第二DC连接端子之间串联连接的至少两个相位支路，其中每个相位支路包括：具有布置成连接的第一和第二端子的AC连接相位支路到交流系统的一个相位; 包括至少一个转换器单元并具有第一和第二分支端子的相位分支; 和电容器。电容器连接在第一分支端子端子和第一AC连接端子之间，使得电容器形成隔直流电容器。第二AC端子连接到第二分支端子。第一和第二直流连接端子之间的相位线的串联连接使得相位支路中的第一串联连接点位于第一分支端子端子和电容器之间，而第二串联连接点位于第二支路终端和第二AC连接。本发明还涉及一种操作这种AC / DC转换器的方法。

4. 发明授权

US08830708B2 Fault current limitation in DC power transmission systems 有权
标题翻译：直流输电系统故障电流限制
公开(公告)号：US08830708B2
公开(公告)日：2014-09-09
申请号：US13395359
申请日：2009-09-11
申请人： Bertil Berggren , Staffan Norrga , Tomas U. Jonsson
发明人： Bertil Berggren , Staffan Norrga , Tomas U. Jonsson
IPC分类号： H02H7/26 , H02J3/36 , H02M7/483 , H02M1/32
CPC分类号： H02J3/36 , H02H7/268 , H02M1/32 , H02M2007/4835 , Y02E60/60
摘要： A method, voltage source converter and computer program product for limiting the current in a DC power transmission system are disclosed. The voltage source converter has an AC side and a DC side and a fault current path between these sides. It furthermore includes a control unit and at least one switching unit of a first type provided in the fault current path and that includes a primary switching element together with an anti-parallel secondary controllable rectifying element. Based on a fault being detected in the DC power system when the primary switching elements of the converter are blocked, the control unit changes the control of the controllable rectifying element from acting as a non-controllable rectifying to acting as a controllable rectifying element.
摘要翻译：公开了一种用于限制直流电力传输系统中的电流的方法，电压源转换器和计算机程序产品。电压源转换器具有交流侧和直流侧以及两侧之间的故障电流路径。此外，还包括设置在故障电流路径中的控制单元和至少一个第一类型的开关单元，并且包括主开关元件以及反并联次级可控整流元件。基于在转换器的主开关元件被阻塞时在直流电力系统中检测到的故障，控制单元改变可控整流元件的控制作为不可控整流作为可控整流元件。

5. 发明授权

US08711591B2 AC/DC converter 有权
标题翻译： AC / DC转换器
公开(公告)号：US08711591B2
公开(公告)日：2014-04-29
申请号：US13643985
申请日：2010-05-11
申请人： Tomas U Jonsson , Anshuman Shukla , Staffan Norrga , Kalpesh Hirjibhai Bhalodi , Praveen Kumar Barupati , Subhasish Mukherjee , Sasitharan Subramanian
发明人： Tomas U Jonsson , Anshuman Shukla , Staffan Norrga , Kalpesh Hirjibhai Bhalodi , Praveen Kumar Barupati , Subhasish Mukherjee , Sasitharan Subramanian
IPC分类号： H02M7/04
CPC分类号： H02M7/758 , H02J3/36 , H02M7/483 , H02M2007/4835 , Y02E60/60
摘要： The present invention relates to an AC/DC converter comprising at least two phase legs connected in series between first and second DC connection terminals of the AC/DC converter, wherein each phase leg comprises: an AC connection having first and second terminals arranged to connect the phase leg to a phase of an AC system; a phase branch comprising at least one converter cell and having first and second branch end terminals; and a capacitor. The capacitor is connected the between the first branch end terminal and the first AC connection terminal, so that the capacitor forms a DC blocking capacitor. The second AC terminal is connected to the second branch end terminal. The series connection of the phase legs between first and second DC connection terminal is such that a first series connection point in a phase leg is located between the first branch end terminal and the capacitor, while a second series connection point is located between the second branch end terminal and the second AC connection. The invention further relates to a method of operating such AC/DC converter.
摘要翻译：本发明涉及一种AC / DC转换器，其包括在AC / DC转换器的第一和第二DC连接端子之间串联连接的至少两个相位支路，其中每个相位支路包括：具有布置成连接的第一和第二端子的AC连接相位支路到交流系统的一个相位; 包括至少一个转换器单元并具有第一和第二分支端子的相位分支; 和电容器。电容器连接在第一分支端子端子和第一AC连接端子之间，使得电容器形成隔直流电容器。第二AC端子连接到第二分支端子。第一和第二直流连接端子之间的相位线的串联连接使得相位支路中的第一串联连接点位于第一分支端子端子和电容器之间，而第二串联连接点位于第二支路终端和第二AC连接。本发明还涉及一种操作这种AC / DC转换器的方法。

6. 发明授权

US08614904B2 Voltage source converter with switching cell bypass arrangement 有权
标题翻译：具有开关元件旁路装置的电压源转换器
公开(公告)号：US08614904B2
公开(公告)日：2013-12-24
申请号：US12933357
申请日：2008-03-20
申请人： Staffan Norrga , Tomas U. Jonsson
发明人： Staffan Norrga , Tomas U. Jonsson
IPC分类号： H02M7/217 , H02M7/219
CPC分类号： H02M7/483 , B60L15/007 , H02M7/49 , H02M7/5388 , H02M2001/325 , H02M2007/4835 , Y02T10/645
摘要： A Voltage Source Converter having at least one phase leg connected to opposite poles of a direct voltage side of the converter and including a series connection of switching cells has an arrangement configured to apply a pressure to opposite ends of stacks of semiconductor assemblies for pressing the assemblies towards each other so as to obtain electric contact between semiconductor assemblies in the stack while ensuring that the semiconductor assemblies of a first path of each switching cell of the converter go into a permanently closed circuit state in case of a failure of the respective switching cell. A second path of each switching cell has a member configured to keep the second path including an energy storing capacitor non-conducting upon occurrence of the failure.
摘要翻译：具有连接到转换器的直流电压侧的相对极的至少一个相位支路并包括开关单元的串联连接的电压源转换器具有被配置为对半导体组件堆叠的相对端施加压力的装置，用于按压组件朝向彼此，以便在堆叠中的半导体组件之间获得电接触，同时确保在各个开关单元发生故障的情况下，转换器的每个开关单元的第一路径的半导体组件进入永久闭合电路状态。每个开关单元的第二路径具有构造成在发生故障时保持第二路径包括能量存储电容器不导通的构件。

7. 发明申请

US20130016541A1 AC/DC CONVERTER STATION AND A METHOD OF OPERATING AN AC/DC CONVERTER STATION 有权
标题翻译： AC / DC转换器站和运行AC / DC转换器站的方法
公开(公告)号：US20130016541A1
公开(公告)日：2013-01-17
申请号：US13582293
申请日：2010-03-04
申请人： Staffan Norrga , Tomas U Jonsson , Anshuman Shukla
发明人： Staffan Norrga , Tomas U Jonsson , Anshuman Shukla
IPC分类号： H02M7/02 , H02H7/125
CPC分类号： H02J3/36 , H02M7/7575 , H02M2007/4803 , H02M2007/4835 , Y02E60/60
摘要： The present invention relates to an AC/DC converter station for interconnection of a DC transmission line and an AC network, the AC/DC converter station including an AC/DC converter and a control system configured to control the AC/DC converter. The AC/DC converter station comprises a capacitor connected in series between the AC/DC converter and the AC network, and a voltage measurement device arranged to measure the voltage across the capacitor. The AC/DC converter further comprises a control system connected to the voltage measurement device and arranged to receive, from the voltage measurement device, a signal indicative of a measured voltage. The control system is arranged to perform the control of the AC/DC converter in dependence of the signal received from the voltage measurement device. The invention further relates to a method of operating an AC/DC converter station.
摘要翻译：本发明涉及一种用于直流传输线和交流网络互连的AC / DC转换站，该AC / DC转换站包括AC / DC转换器和配置成控制AC / DC转换器的控制系统。 AC / DC转换站包括串联连接在AC / DC转换器和AC网络之间的电容器，以及布置成测量电容器两端的电压的电压测量装置。 AC / DC转换器还包括连接到电压测量装置并被布置成从电压测量装置接收指示测量电压的信号的控制系统。控制系统被配置为根据从电压测量装置接收的信号执行AC / DC转换器的控制。本发明还涉及一种操作AC / DC转换器站的方法。

8. 发明申请

US20120201059A1 FAULT CURRENT LIMITATION IN DC POWER TRANSMISSION SYSTEMS 有权
标题翻译：直流电力传输系统中的故障电流限制
公开(公告)号：US20120201059A1
公开(公告)日：2012-08-09
申请号：US13395359
申请日：2009-09-11
申请人： Bertil Berggren , Staffan Norrga , Tomas U. Jonsson
发明人： Bertil Berggren , Staffan Norrga , Tomas U. Jonsson
IPC分类号： H02H7/125
CPC分类号： H02J3/36 , H02H7/268 , H02M1/32 , H02M2007/4835 , Y02E60/60
摘要： A method, voltage source converter and computer program product for limiting the current in a DC power transmission system are disclosed. The voltage source converter has an AC side and a DC side and a fault current path between these sides. It furthermore includes a control unit and at least one switching unit of a first type provided in the fault current path and that includes a primary switching element together with an anti-parallel secondary controllable rectifying element. Based on a fault being detected in the DC power system when the primary switching elements of the converter are blocked, the control unit changes the control of the controllable rectifying element from acting as a non-controllable rectifying to acting as a controllable rectifying element.
摘要翻译：公开了一种用于限制直流电力传输系统中的电流的方法，电压源转换器和计算机程序产品。电压源转换器具有交流侧和直流侧以及两侧之间的故障电流路径。此外，还包括设置在故障电流路径中的控制单元和至少一个第一类型的开关单元，并且包括主开关元件以及反并联次级可控整流元件。基于在转换器的主开关元件被阻塞时在直流电力系统中检测到的故障，控制单元改变可控整流元件的控制作为不可控整流作为可控整流元件。

9. 发明申请

US20150115721A1 POWER SYSTEM AND METHOD OF OPERATING A POWER SYSTEM 有权
标题翻译：电力系统和操作电力系统的方法
公开(公告)号：US20150115721A1
公开(公告)日：2015-04-30
申请号：US14398930
申请日：2012-06-05
申请人： Staffan Norrga , Antonis Marinopoulos , Konstantinos Papastergiou , Panagiotis Bakas
发明人： Staffan Norrga , Antonis Marinopoulos , Konstantinos Papastergiou , Panagiotis Bakas
IPC分类号： H02J3/38 , H02M7/42 , H02J1/12 , H02M1/12
CPC分类号： H02J3/38 , H02J1/12 , H02M1/12 , H02M7/42 , Y10T307/707 , Y10T307/718
摘要： A power system includes a power generating plant including a plurality of power generators, and an AC collection grid adapted to interconnect the power generating plant and an HVDC converter station. The AC collection grid is adapted to operate outside network regulations, whereby advantages such as simplified control and electronics are achieved. A method of operating a power system is also provided.
摘要翻译：电力系统包括包括多个发电机的发电设备和适于互连发电厂和HVDC转换站的AC收集电网。交流采集电网适用于外部网络规定，从而实现简化控制和电子设备等优点。还提供了一种操作电力系统的方法。

10. 发明申请

US20140028358A1 Gate Control Circuit, Power Module And Associated Method 有权
标题翻译：门控电路，功率模块及相关方法
公开(公告)号：US20140028358A1
公开(公告)日：2014-01-30
申请号：US14004630
申请日：2011-03-16
申请人： Filippo Chimento , Willy Hermansson , Staffan Norrga
发明人： Filippo Chimento , Willy Hermansson , Staffan Norrga
IPC分类号： H03K17/00
CPC分类号： H03K17/00 , H02M1/088 , H02M1/32 , H03K17/0828 , H03K17/127
摘要： A gate control circuit including: a gate input arranged to receive an input gate feed signal; a gate output arranged to be connected, during normal operation, to at least one switching module for controlling current through a main circuit, the gate output being connected to the gate input; a power supply; and a switch connected between the power supply and the gate output, the switch being arranged to close as a response to a failure. A corresponding power module and method are also presented.
摘要翻译：一种栅极控制电路，包括：栅极输入端，用于接收输入栅极馈电信号; 栅极输出，布置成在正常操作期间连接到至少一个用于控制通过主电路的电流的开关模块，栅极输出连接到栅极输入; 电源; 以及连接在电源和门输出之间的开关，开关被布置成作为对故障的响应而闭合。还提出了相应的功率模块和方法。

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