公开(公告)号：US20130258726A1

公开(公告)日：2013-10-03

申请号：US13879573

申请日：2010-10-15

Applicant: Subhasish Mukherjee ,  Tomas Jonsson ,  Sasitharan Subramanian

Inventor： Subhasish Mukherjee ,  Tomas Jonsson ,  Sasitharan Subramanian

IPC: H02M7/537

CPC classification number: H02M7/537 ,  H02J3/36 ,  H02M7/483 ,  H02M2007/4835 ,  Y02E60/60

Abstract: An arrangement transmits power between a DC power line and an AC power line carrying a voltage having a number of phases. The arrangement includes a number of transformers, one for each phase and a number of power transfer modules, one for each phase, connected in series between the DC power line and ground, where each module includes a first branch including series connected converter cells and a second branch including series connected switching elements. The primary winding of a transformer is connected to a corresponding AC phase conductor of the AC power line and the secondary winding is connected between a midpoint of the first branch and a midpoint of the second branch of a corresponding power transfer module.

Abstract translation: 一种布置在DC电力线和承载具有多个相位的电压的AC电力线之间传输电力。 该装置包括多个变压器，每相一个变压器和多个电力传输模块，每个相位一个串联连接在直流电源线和地之间，其中每个模块包括第一分支，其包括串联连接的转换器单元和 第二分支包括串联连接的开关元件。 变压器的初级绕组连接到交流电源线的相应的交流相位导体，次级绕组连接在第一分支的中点和相应的功率传递模块的第二分支的中点之间。

公开(公告)号：US20140140104A1

公开(公告)日：2014-05-22

申请号：US14130852

申请日：2011-07-04

Applicant: Staffan Norrga ,  Konstantinos Papastergiou ,  Sasitharan Subramanian ,  Tomas Jonsson

Inventor： Staffan Norrga ,  Konstantinos Papastergiou ,  Sasitharan Subramanian ,  Tomas Jonsson

IPC: H02M3/335

CPC classification number: H02M3/3353 ,  H02J3/36 ,  H02M3/335 ,  H02M3/33584 ,  H02M2001/0074 ,  H02M2007/4835 ,  Y02E60/60

Abstract: It is presented a high voltage DC/DC converter for converting between a first DC connection and a second DC connection. The high voltage DC/DC converter comprises: a first set of DC terminals; a second set of DC terminals); a multiphase transformer device comprising a plurality of primary windings and a corresponding plurality of secondary windings; a first converter arranged to convert DC to AC, comprising a plurality of phase legs serially connected between the first set of DC terminals, wherein each phase leg is connected to an AC connection of a respective primary winding; and a second converter arranged to convert AC from the secondary windings to DC on the second set of DC terminals.

Abstract translation: 它呈现了用于在第一DC连接和第二DC连接之间进行转换的高压DC / DC转换器。 高压DC / DC转换器包括：第一组直流端子; 第二套直流端子）; 多相变压器装置，包括多个初级绕组和相应的多个次级绕组; 布置成将DC转换成AC的第一转换器，包括串联连接在所述第一组DC端子之间的多个相位支路，其中每个相支路连接到相应的初级绕组的AC连接; 以及第二转换器，被布置成在第二组DC端子上将来自次级绕组的AC转换成DC。

公开(公告)号：US08711591B2

公开(公告)日：2014-04-29

申请号：US13643985

申请日：2010-05-11

Applicant: Tomas U Jonsson ,  Anshuman Shukla ,  Staffan Norrga ,  Kalpesh Hirjibhai Bhalodi ,  Praveen Kumar Barupati ,  Subhasish Mukherjee ,  Sasitharan Subramanian

Inventor： Tomas U Jonsson ,  Anshuman Shukla ,  Staffan Norrga ,  Kalpesh Hirjibhai Bhalodi ,  Praveen Kumar Barupati ,  Subhasish Mukherjee ,  Sasitharan Subramanian

IPC: H02M7/04

CPC classification number: H02M7/758 ,  H02J3/36 ,  H02M7/483 ,  H02M2007/4835 ,  Y02E60/60

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US09007792B2

公开(公告)日：2015-04-14

申请号：US13879573

申请日：2010-10-15

Applicant: Subhasish Mukherjee ,  Tomas Jonsson ,  Sasitharan Subramanian

Inventor： Subhasish Mukherjee ,  Tomas Jonsson ,  Sasitharan Subramanian

IPC: H02M7/48 ,  H02M1/12 ,  H02M1/14 ,  H02M7/537 ,  H02J3/36 ,  H02M7/483

CPC classification number: H02M7/537 ,  H02J3/36 ,  H02M7/483 ,  H02M2007/4835 ,  Y02E60/60

Abstract: An arrangement transmits power between a DC power line and an AC power line carrying a voltage having a number of phases. The arrangement includes a number of transformers, one for each phase and a number of power transfer modules, one for each phase, connected in series between the DC power line and ground, where each module includes a first branch including series connected converter cells and a second branch including series connected switching elements. The primary winding of a transformer is connected to a corresponding AC phase conductor of the AC power line and the secondary winding is connected between a midpoint of the first branch and a midpoint of the second branch of a corresponding power transfer module.

Abstract translation: 一种布置在DC电力线和承载具有多个相位的电压的AC电力线之间传输电力。 该装置包括多个变压器，每相一个变压器和多个电力传输模块，每个相位一个串联连接在直流电源线和地之间，其中每个模块包括第一分支，其包括串联连接的转换器单元和 第二分支包括串联连接的开关元件。 变压器的初级绕组连接到交流电源线的相应的交流相位导体，次级绕组连接在第一分支的中点和相应的功率传递模块的第二分支的中点之间。

公开(公告)号：US20130070495A1

公开(公告)日：2013-03-21

申请号：US13643985

申请日：2010-05-11

Applicant: Tomas U Jonsson ,  Anshuman Shukla ,  Staffan Norrga ,  Kalpesh Hirjibhai Bhalodi ,  Praveen Kumar Barupati ,  Sabhasish Mukherjee ,  Sasitharan Subramanian

Inventor： Tomas U Jonsson ,  Anshuman Shukla ,  Staffan Norrga ,  Kalpesh Hirjibhai Bhalodi ,  Praveen Kumar Barupati ,  Sabhasish Mukherjee ,  Sasitharan Subramanian

IPC: H02M7/04

CPC classification number: H02M7/758 ,  H02J3/36 ,  H02M7/483 ,  H02M2007/4835 ,  Y02E60/60

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US09019732B2

公开(公告)日：2015-04-28

申请号：US14130852

申请日：2011-07-04

Applicant: Staffan Norrga ,  Konstantinos Papastergiou ,  Sasitharan Subramanian ,  Tomas Jonsson

Inventor： Staffan Norrga ,  Konstantinos Papastergiou ,  Sasitharan Subramanian ,  Tomas Jonsson

IPC: H02M3/28 ,  H02M3/335 ,  H02J3/36 ,  H02M1/00 ,  H02M7/483

CPC classification number: H02M3/3353 ,  H02J3/36 ,  H02M3/335 ,  H02M3/33584 ,  H02M2001/0074 ,  H02M2007/4835 ,  Y02E60/60

Abstract: It is presented a high voltage DC/DC converter for converting between a first DC connection and a second DC connection. The high voltage DC/DC converter comprises: a first set of DC terminals; a second set of DC terminals); a multiphase transformer device comprising a plurality of primary windings and a corresponding plurality of secondary windings; a first converter arranged to convert DC to AC, comprising a plurality of phase legs serially connected between the first set of DC terminals, wherein each phase leg is connected to an AC connection of a respective primary winding; and a second converter arranged to convert AC from the secondary windings to DC on the second set of DC terminals.

Abstract translation: 它呈现了用于在第一DC连接和第二DC连接之间进行转换的高压DC / DC转换器。 高压DC / DC转换器包括：第一组直流端子; 第二套直流端子）; 多相变压器装置，包括多个初级绕组和相应的多个次级绕组; 布置成将DC转换成AC的第一转换器，包括串联连接在所述第一组DC端子之间的多个相位支路，其中每个相支路连接到相应的初级绕组的AC连接; 以及第二转换器，被布置成在第二组DC端子上将来自次级绕组的AC转换成DC。

公开(公告)号：US20130170255A1

公开(公告)日：2013-07-04

申请号：US13819751

申请日：2010-09-21

Applicant: Subhasish Mukherjee ,  Tomas U Jonsson ,  Sasitharan Subramanian ,  Kalpesh Hirjibhai Bhalodi

Inventor： Subhasish Mukherjee ,  Tomas U Jonsson ,  Sasitharan Subramanian ,  Kalpesh Hirjibhai Bhalodi

IPC: H02M5/458

CPC classification number: H02M5/458 ,  H02J1/08 ,  H02J3/36 ,  H02M7/483 ,  Y02E60/60

Abstract: An apparatus for controlling the electric power transmission in a high voltage direct current, HVDC, power transmission system includes at least one HVDC transmission line for carrying direct current, DC. The apparatus includes a first converter for converting alternating current, AC, to direct current and/or direct current to alternating current, and a second converter for converting direct current to alternating current and/or alternating current to direct current, each of the first and second converters having an AC side for output and/or input of alternating current and a DC side for output and/or input of direct current. The first converter is connectable via its DC side to the HVDC transmission line, the AC side of the second converter is connected to the AC side of the first converter, and the second converter is connectable via its DC side to a DC source. The apparatus is adapted to control the direct current of the HVDC transmission line by introducing a DC voltage in series with the HVDC transmission line. A HVDC power transmission system includes the above-mentioned apparatus.

Abstract translation: 用于控制高压直流电HVDC电力传输系统中的电力传输的装置包括至少一个用于承载直流DC的HVDC传输线。 该装置包括用于将交流电AC转换为直流电流和/或直流电流至交流电流的第一转换器，以及用于将直流电流转换为交流电流和/或交流电流至直流电流的第二转换器， 具有用于输出和/或输入交流电的AC侧的第二转换器和用于直流电的输出和/或输入的DC侧。 第一转换器可以通过其直流侧连接到高压直流输电线路，第二转换器的交流侧连接到第一转换器的交流侧，第二转换器可通过其直流侧连接到直流电源。 该装置适于通过引入与HVDC传输线串联的DC电压来控制HVDC传输线的直流电流。 一种HVDC电力传输系统包括上述装置。