公开(公告)号：US20130050881A1

公开(公告)日：2013-02-28

申请号：US13695567

申请日：2010-05-11

申请人： Jurgen Häfner ,  Björn Jacobson

发明人： Jurgen Häfner ,  Björn Jacobson

IPC分类号： H02H3/08

CPC分类号： H02J3/36 ,  H02H3/025 ,  H02H7/268 ,  Y02E60/60

摘要： A plant for transmitting electric power includes a high voltage DC line, a DC breaker connected in series therewith and configured to break a fault current upon occurrence of a fault, a device configured to detect occurrence of a fault current, a control unit configured to control the DC breaker for protecting equipment connected to the DC line upon occurrence of the fault current and a device configured to dissipate energy stored in a faulty current path of the DC line between the location and the device's upon occurrence of the fault to the moment of the control of the DC breaker. The energy dissipating device includes a series connection of an energy consuming braking resistor and a free-wheeling rectifying member connected between ground and the DC line to conduct current while forming a free-wheeling path therethrough upon the control of the DC breaker upon occurrence of the fault.

摘要翻译： 一种用于发送电力的设备包括：高压DC线路，与其串联连接的DC断路器，并且被配置为在发生故障时中断故障电流;被配置为检测故障电流的发生的设备;被配置为控制 用于在发生故障电流时保护连接到DC线路的设备的DC断路器，以及被配置为在故障发生时将位于设备与设备之间的DC线路的故障电流路径中存储的能量耗散到设备 控制直流断路器。 能量消耗装置包括能量消耗制动电阻器和连接在地和DC线之间的续流整流构件的串联连接，以在DC断路器的发生时控制直流断路器形成通过其的过渡路径 故障。

公开(公告)号：US20110103115A1

公开(公告)日：2011-05-05

申请号：US12991207

申请日：2008-05-07

申请人： Björn Jacobson ,  Gunnar Asplund

发明人： Björn Jacobson ,  Gunnar Asplund

IPC分类号： H02M7/537

CPC分类号： H02M7/49 ,  H02J3/36 ,  H02M2007/4835 ,  Y02E60/60

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 inductance means comprising a plurality of inductors (23) built in in said series connection of switching cells (7′) and connected in series with these cells by being connected to terminals (14, 15) thereof.

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反极点的至少一个相位支路，并且包括开关单元的串联连接的电感源转换器具有电感装置，该电感装置包括内置在开关单元的所述串联连接中的多个电感器 （7'）并通过连接到这些电池的端子（14,15）与这些电池串联连接。

公开(公告)号：US20110025447A1

公开(公告)日：2011-02-03

申请号：US12675820

申请日：2007-08-29

申请人： Björn Jacobson ,  Gunnar Asplund

发明人： Björn Jacobson ,  Gunnar Asplund

IPC分类号： H01F27/36

CPC分类号： H01F27/362 ,  H01F27/085 ,  H01F37/005

摘要： A high voltage dry-type reactor is series-connected via a first terminal to an AC supply voltage and via a second terminal to the AC phase terminal of a high voltage converter and includes a cylindrical coil of insulated wire. In order to protect the reactor from a damaging DC field, the reactor further includes a metallic or resistive electrostatic shield which is connected to a same DC potential as the converter.

摘要翻译： 高压干式电抗器通过第一端子与AC电源电压串联连接，并通过第二端子连接到高电压转换器的AC相端子，并包括绝缘电线的圆柱形线圈。 为了保护反应器免受损坏的DC场，反应器还包括连接到与转换器相同的DC电位的金属或电阻静电屏蔽。

公开(公告)号：US09013853B2

公开(公告)日：2015-04-21

申请号：US14353914

申请日：2011-10-25

申请人： Baoliang Sheng ,  Andreas Bergvall ,  Björn Jacobson ,  Peter Klee

发明人： Baoliang Sheng ,  Andreas Bergvall ,  Björn Jacobson ,  Peter Klee

IPC分类号： H01H33/59 ,  H01H17/12 ,  H01J17/12

CPC分类号： H01H33/596 ,  H01J17/12

摘要： A direct current breaker for a high voltage direct current application includes: two high voltage electron tubes arranged in an anti-parallel connection, and a control circuit for receiving, from a control system, infrared pulses including control information, the control circuit further including a device configured to convert the infrared pulses into electrical control signals, for controlling a switching status of the direct current breaker. An electrical power system includes such direct current breaker.

摘要翻译： 用于高压直流应用的直流断路器包括：以反并联方式布置的两个高压电子管和用于从控制系统接收包括控制信息的红外脉冲的控制电路，所述控制电路还包括 被配置为将红外脉冲转换成电控制信号的装置，用于控制直流断路器的开关状态。 电力系统包括这种直流断路器。

公开(公告)号：US20140268468A1

公开(公告)日：2014-09-18

申请号：US14353914

申请日：2011-10-25

申请人： Baoliang Sheng ,  Andreas Bergvall ,  Björn Jacobson ,  Peter Klee

发明人： Baoliang Sheng ,  Andreas Bergvall ,  Björn Jacobson ,  Peter Klee

IPC分类号： H01H33/59

CPC分类号： H01H33/596 ,  H01J17/12

摘要： A direct current breaker for a high voltage direct current application includes: two high voltage electron tubes arranged in an anti-parallel connection, and a control circuit for receiving, from a control system, infrared pulses including control information, the control circuit further including a device configured to convert the infrared pulses into electrical control signals, for controlling a switching status of the direct current breaker. An electrical power system includes such direct current breaker.

摘要翻译： 用于高压直流应用的直流断路器包括：以反并联方式布置的两个高压电子管和用于从控制系统接收包括控制信息的红外脉冲的控制电路，所述控制电路还包括 被配置为将红外脉冲转换成电控制信号的装置，用于控制直流断路器的开关状态。 电力系统包括这种直流断路器。

公开(公告)号：US08717716B2

公开(公告)日：2014-05-06

申请号：US13509974

申请日：2009-11-16

申请人： Jürgen Häfner ,  Björn Jacobson

发明人： Jürgen Häfner ,  Björn Jacobson

IPC分类号： H02H3/00

CPC分类号： H01H9/542 ,  H01H9/30 ,  H01H9/548 ,  H01H33/596 ,  H01H2009/543 ,  Y10T307/747

摘要： A device (13) to break an electrical current flowing through a power transmission or distribution line (14) comprises a parallel connection of a main breaker (8) and a non-linear resistor (11), where the main breaker (8) comprises at least one power semiconductor switch of a first current direction. The device (13) further comprises a series connection of a high speed switch (10) comprising at least one mechanical switch and of an auxiliary breaker (9), the auxiliary breaker having a smaller on-resistance than the main breaker (8) and comprising at least one power semiconductor switch of the first current direction. The series connection is connected in parallel to the parallel connection. In a method to use the device (13) first the auxiliary breaker (9) is opened, thereby commutating the current to the main breaker (8), afterwards the high speed switch (10) is opened and afterwards the main breaker (8) is opened thereby commutating the current to the non-linear resistor (11). The device (13) can further be used in a current limiting arrangement.

摘要翻译： 断开通过动力传输或分配线路（14）的电流的装置（13）包括主断路器（8）和非线性电阻器（11）的并联连接，其中主断路器（8）包括 至少一个第一电流方向的功率半导体开关。 所述装置（13）还包括包括至少一个机械开关和辅助断路器（9）的高速开关（10）的串联连接，所述辅助断路器具有比所述主断路器（8）更小的导通电阻，以及 包括至少一个第一电流方向的功率半导体开关。 串联连接与并联连接。 在首先使用装置（13）的方法中，辅助断路器（9）打开，从而将电流换向主断路器（8），之后高速开关（10）打开，然后主断路器（8） 被打开，从而将电流换向非线性电阻器（11）。 装置（13）可进一步用于限流装置。

公开(公告)号：US20130106184A1

公开(公告)日：2013-05-02

申请号：US13807618

申请日：2011-06-30

申请人： Jürgen Häfner ,  Björn Jacobson ,  Tomas Jonsson ,  Kerstin Lindén ,  Bertil Berggren

发明人： Jürgen Häfner ,  Björn Jacobson ,  Tomas Jonsson ,  Kerstin Lindén ,  Bertil Berggren

IPC分类号： H02J1/00

CPC分类号： H02J1/00 ,  H01H33/596 ,  H02H7/1257 ,  H02H7/268 ,  Y10T307/313 ,  Y10T307/344 ,  Y10T307/391 ,  Y10T307/406 ,  Y10T307/729 ,  Y10T307/747

摘要： The present invention relates to an HVDC switchyard arranged to interconnect a first part of a DC grid with a second part of the DC grid. By means of the invention, a first part of the DC grid is connected to the busbars of the HVDC switchyard via a fast DC breaker, while further part(s) of the DC grid are connected to the busbars of the HVDC switchyard by means of switchyard DC breakers of lower breaking speed. By use of the inventive HVDC switchyard arrangement, the cost for the HVDC switchyard can be considerably reduced, while adequate protection can be provided. In one embodiment, the fast DC breaker is an HVDC station DC breaker forming part of an HVDC station. In another embodiment, the fast DC breaker is a switchyard DC breaker.

摘要翻译： 本发明涉及一种将DC网格的第一部分与DC网格的第二部分相互连接的HVDC开关场所。 通过本发明，DC电网的第一部分经由快速DC断路器连接到HVDC开关站的母线，而直流电网的另外部分通过以下方式连接到HVDC开关站的汇流条： 开关柜断路器的断开速度较低。 通过使用本发明的高压直流输电开关装置，可以显着地降低HVDC开关站的成本，同时可以提供足够的保护。 在一个实施例中，快速DC断路器是形成HVDC站的一部分的HVDC站DC断路器。 在另一个实施例中，快速DC断路器是开关站DC断路器。

公开(公告)号：US20120099273A1

公开(公告)日：2012-04-26

申请号：US13378326

申请日：2009-06-16

申请人： Björn Jacobson ,  Per-Olof Hedblad

发明人： Björn Jacobson ,  Per-Olof Hedblad

IPC分类号： H05K7/20

CPC分类号： H02M7/003 ,  H01L23/473 ,  H01L25/117 ,  H01L2924/0002 ,  H01L2924/13055 ,  H01L2924/13091 ,  H01L2924/19041 ,  H02M2007/4835 ,  H01L2924/00

摘要： The invention concerns a converter as well as a cooling device and a method for cooling at least a first and a second group of electrically interconnected electrical components (SWA1, SWA2, SWA3, SWA4, SWA5, SWA6, SWA7, SWA8, SWB1, SWB2, SWB3, SWB4, SWB5, SWB6, SWB7, SWB8) in the converter, where the first and second groups are placed on opposite sides of a conductor leading to a connection terminal of the converter. The cooling device (22) comprises a first transporting arrangement (HSA1, HSA2, HSA3, HSA4, HSA5, HSA6, HSA7, HSA8, HSA9, COA1, COA2, COA3, COA4, COA5, COA6, COA7, COA8) transporting cooling medium (M) past the first group and a second transporting arrangement (HSB1, HSB2, HSB3, HSB4, HSB5, HSB6, HSB7, HSB8, HSB9, COB1, COB2, COB3, COB4, COB5, COB6, COB7, COB8) transporting the same cooling medium past the second group.

摘要翻译： 本发明涉及一种转换器以及冷却装置和用于冷却至少第一组和第二组电互连电气部件（SWA1，SWA2，SWA3，SWA4，SWA5，SWA6，SWA7，SWA8，SWB1，SWB2， SWB3，SWB4，SWB5，SWB6，SWB7，SWB8），其中第一和第二组放置在通向转换器的连接端子的导体的相对侧上。 冷却装置（22）包括运送冷却介质的第一输送装置（HSA1，HSA2，HSA3，HSA4，HSA5，HSA6，HSA7，HSA8，HSA9，COA1，COA2，COA3，COA4，COA5，COA6，COA7，COA8） （HSB1，HSB5，HSB6，HSB7，HSB8，HSB9，COB1，COB2，COB3，COB4，COB5，COB6，COB7，COB8）的第二输送装置（HSB1，HSB2，HSB3，HSB4，HSB5，HSB6，HSB7，HSB8，HSB6， 超过第二组。

公开(公告)号：US20100014338A1

公开(公告)日：2010-01-21

申请号：US12306022

申请日：2006-06-22

申请人： Björn Jacobson ,  Per-Olof Hedblad

发明人： Björn Jacobson ,  Per-Olof Hedblad

IPC分类号： H05K7/20

CPC分类号： H01L25/117 ,  H01L23/473 ,  H01L23/552 ,  H01L23/60 ,  H01L2924/0002 ,  H01L2924/3025 ,  H02M7/003 ,  H01L2924/00

摘要： A converter for converting alternating voltage into direct voltage and vice versa in a converter station of a high voltage transmission system. A series connection of converter valves includes power semiconductor devices connected in series and arranged in superimposed layers. The valves are arranged on top of each other in a column. Coolant liquid conducting tubes are in an extension over at least one part of the circumference of the column having no connections to cooling blocks for cooling the devices made of metal. Such metal tubes are arranged in the part for over this part of the column circumference forming an electric field shielding screen. The coolant liquid conducting tubes are when extending over parts of a circumference of the column where connections are made to cooling blocks made of an electrically insulating material. An electric field shield is arranged outside the column over these parts.

摘要翻译： A转换器，用于在高电压传输系统的转换器站中将交流电压转换成直流电压，反之亦然。 转换阀的串联连接包括串联连接并且叠加布置的功率半导体器件。 阀在柱上彼此顶部排列。 冷却剂液体导管在柱的圆周的至少一部分上延伸，没有连接到用于冷却由金属制成的装置的冷却块的连接。 这种金属管被布置在部分中，用于形成电场屏蔽屏的柱周长的这一部分。 冷却剂液体传导管当在连接到由电绝缘材料制成的冷却块的连接柱的圆周的部分上延伸时。 在这些部件之外，在柱外设置电场屏蔽。

公开(公告)号：US08803358B2

公开(公告)日：2014-08-12

申请号：US13807618

申请日：2011-06-30

申请人： Jürgen Häfner ,  Björn Jacobson ,  Tomas Jonsson ,  Kerstin Lindén ,  Bertil Berggren

发明人： Jürgen Häfner ,  Björn Jacobson ,  Tomas Jonsson ,  Kerstin Lindén ,  Bertil Berggren

IPC分类号： H02J1/10 ,  H02H7/26 ,  H02J1/00 ,  H01H33/59 ,  H02H7/125

CPC分类号： H02J1/00 ,  H01H33/596 ,  H02H7/1257 ,  H02H7/268 ,  Y10T307/313 ,  Y10T307/344 ,  Y10T307/391 ,  Y10T307/406 ,  Y10T307/729 ,  Y10T307/747

摘要： The present invention relates to an HVDC switchyard arranged to interconnect a first part of a DC grid with a second part of the DC grid. By means of the invention, a first part of the DC grid is connected to the busbars of the HVDC switchyard via a fast DC breaker, while further part(s) of the DC grid are connected to the busbars of the HVDC switchyard by means of switchyard DC breakers of lower breaking speed. By use of the inventive HVDC switchyard arrangement, the cost for the HVDC switchyard can be considerably reduced, while adequate protection can be provided. In one embodiment, the fast DC breaker is an HVDC station DC breaker forming part of an HVDC station. In another embodiment, the fast DC breaker is a switchyard DC breaker.

摘要翻译： 本发明涉及一种将DC网格的第一部分与DC网格的第二部分相互连接的HVDC开关场所。 通过本发明，DC电网的第一部分经由快速DC断路器连接到HVDC开关站的母线，而直流电网的另外部分通过以下方式连接到HVDC开关站的汇流条： 开关柜断路器的断开速度较低。 通过使用本发明的高压直流输电开关装置，可以显着地降低HVDC开关站的成本，同时可以提供足够的保护。 在一个实施例中，快速DC断路器是形成HVDC站的一部分的HVDC站DC断路器。 在另一个实施例中，快速DC断路器是开关站DC断路器。