公开(公告)号：US08345457B2

公开(公告)日：2013-01-01

申请号：US12676754

申请日：2007-09-05

Applicant: Gunnar Asplund ,  Lars-Erik Juhlin

Inventor： Gunnar Asplund ,  Lars-Erik Juhlin

IPC: H02M7/5387 ,  H02M7/10

CPC classification number: H02M7/797 ,  H02J3/36 ,  Y02E60/60

Abstract: A high voltage AC/DC or DC/AC power conversion system including a voltage source converter with at least two series-connected converter valve bridges, at least two reactors, where each of the reactors is connected to one of the AC phase terminals of the at least two bridges and at least one transformer connected to an AC supply voltage. In order to block a DC voltage from the at least one transformer, one of at least two capacitors is connected in series with each of the at least two reactors and is connected between the corresponding reactor and the at least one transformer.

Abstract translation: 一种高压AC / DC或DC / AC电力转换系统，包括具有至少两个串联连接的转换器阀桥的电压源转换器，至少两个反应器，其中每个电抗器连接到 至少两个桥和至少一个连接到AC电源电压的变压器。 为了阻挡来自至少一个变压器的直流电压，至少两个电容器中的一个与所述至少两个电抗器中的每一个串联连接，并连接在相应的电抗器和至少一个变压器之间。

公开(公告)号：US20110260545A1

公开(公告)日：2011-10-27

申请号：US12863619

申请日：2008-01-21

Applicant: Gunnar Asplund

Inventor： Gunnar Asplund

IPC: H02J4/00 ,  H02M7/06

CPC classification number: H02M1/088 ,  H02M7/757 ,  H02M7/797 ,  H02M2001/0054 ,  H03K17/107 ,  H03K17/163 ,  H03K17/168 ,  H03K2217/0036 ,  Y02B70/1491 ,  Y10T307/383 ,  Y10T307/445 ,  Y10T307/453 ,  Y10T307/675

Abstract: A VSC converter includes in each valve one first semiconductor device of turn-off type with a voltage blocking capacity rating of a first, high level and connected in parallel therewith a series connection of a plurality of second semiconductor devices of turn-off type with a voltage blocking capacity rating of a second, lower level. A control arrangement of the converter is configured to switch a said valve into a conducting state starting from a forward biased blocking state of the valve by controlling the second semiconductor devices to be turned on and then the first semiconductor devices to be turned on with a delay, and at the end of the conducting state to turn off the first semiconductor device in advance of turning the second semiconductor devices off.

Abstract translation: VSC转换器包括在每个阀中的一个第一半导体器件，其具有第一高电平的电压阻断容量额定值并且与其并联连接的多个第二半导体器件的关断型和 电压阻塞额定值为二级，较低级别。 转换器的控制装置被配置为通过控制第二半导体器件导通而将所述阀切换到从阀的正向偏置阻塞状态开始的导通状态，然后第一半导体器件延迟导通 并且在导通状态结束时，关闭第二半导体器件之前关闭第一半导体器件。

公开(公告)号：US20110103115A1

公开(公告)日：2011-05-05

申请号：US12991207

申请日：2008-05-07

Applicant: Björn Jacobson ,  Gunnar Asplund

Inventor： Björn Jacobson ,  Gunnar Asplund

IPC: H02M7/537

CPC classification number: H02M7/49 ,  H02J3/36 ,  H02M2007/4835 ,  Y02E60/60

Abstract: 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.

Abstract translation: 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

Applicant: Björn Jacobson ,  Gunnar Asplund

Inventor： Björn Jacobson ,  Gunnar Asplund

IPC: H01F27/36

CPC classification number: H01F27/362 ,  H01F27/085 ,  H01F37/005

Abstract: 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.

Abstract translation: 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：US20100309698A1

公开(公告)日：2010-12-09

申请号：US12676754

申请日：2007-09-05

Applicant: Gunnar Asplund ,  Lars-Erik Juhlin

Inventor： Gunnar Asplund ,  Lars-Erik Juhlin

IPC: H02M7/06

CPC classification number: H02M7/797 ,  H02J3/36 ,  Y02E60/60

Abstract: A high voltage AC/DC or DC/AC power conversion system including a voltage source converter with at least two series-connected converter valve bridges, at least two reactors, where each of the reactors is connected to one of the AC phase terminals of the at least two bridges and at least one transformer connected to an AC supply voltage. In order to block a DC voltage from the at least one transformer, one of at least two capacitors is connected in series with each of the at least two reactors and is connected between the corresponding reactor and the at least one transformer.

Abstract translation: 一种高压AC / DC或DC / AC电力转换系统，包括具有至少两个串联连接的转换器阀桥的电压源转换器，至少两个反应器，其中每个电抗器连接到 至少两个桥和至少一个连接到AC电源电压的变压器。 为了阻挡来自至少一个变压器的直流电压，至少两个电容器中的一个与所述至少两个电抗器中的每一个串联连接，并连接在相应的电抗器和至少一个变压器之间。

公开(公告)号：US20100232190A1

公开(公告)日：2010-09-16

申请号：US12443522

申请日：2006-09-29

Applicant: Gunnar Asplund

Inventor： Gunnar Asplund

IPC: H02J3/36

CPC classification number: H02J3/36 ,  Y02E60/60

Abstract: An electric power transmission system includes at each end of a high voltage direct current transmission line including three conductors, a converter station for conversion of an alternating voltage into a direct voltage for transmitting direct current between the stations in all three conductors. Each station has a voltage source converter and an extra phase leg connected between the two pole conductors of the direct voltage side of the converter. A third of the conductors is connected to a midpoint between current valves of the extra phase leg. An arrangement is adapted to control the current valves of the extra phase leg to switch for connecting the third conductor either to the first pole conductor or the second pole conductor for utilizing the third conductor for conducting current between the stations.

Abstract translation: 电力传输系统包括在包括三个导体的高压直流传输线的每一端，用于将交流电压转换成用于在所有三个导体中的站之间传输直流电的直流电压的转换器站。 每个站具有电压源转换器和连接在转换器的直流电压侧的两个极导体之间​​的额外的相位支路。 三分之一的导体连接到额外相位腿的电流阀之间的中点。 一种布置适于控制额外相位支路的当前阀门以切换以将第三导体连接到第一极导体或第二极导体，以利用第三导体来在站之间传导电流。

公开(公告)号：US07321500B2

公开(公告)日：2008-01-22

申请号：US11413004

申请日：2006-04-28

Applicant: Gunnar Asplund ,  Ying Jiang Häfner ,  Johan Lindberg ,  Peter Lundberg ,  Jan Svensson ,  Rolf Pålsson

Inventor： Gunnar Asplund ,  Ying Jiang Häfner ,  Johan Lindberg ,  Peter Lundberg ,  Jan Svensson ,  Rolf Pålsson

IPC: H02J3/36 ,  H02M5/45

CPC classification number: H02M5/4585 ,  H02J3/36 ,  H02M7/5395 ,  H02M7/7575 ,  H02M2001/0054 ,  Y02B70/1491 ,  Y02E60/60

Abstract: A voltage source converter for high power application containing a plurality of valves, each valve containing a plurality of extinguishable semiconducting elements, and a valve control unit containing a computer and a pulse-width modulator providing an executing control signal for controlling the semiconducting elements. The valve control unit includes a first control containing a first pulse-width modulator for providing a first pulse-width modulation signal, a second control containing a second pulse-width modulator for providing, a second pulse-width modulation signal, a mode detector, and a selector connected to the first and second pulse-width modulator for selecting in dependence of the mode detector the executing pulse-width modulation signal.

Abstract translation: 一种用于高功率应用的电压源转换器，其包含多个阀，每个阀包含多个可熄灭的半导体元件，以及包含计算机和脉宽调制器的阀控制单元，其提供用于控制半导体元件的执行控制信号。 阀控制单元包括第一控制器，其包含用于提供第一脉冲宽度调制信号的第一脉冲宽度调制器，包含用于提供第二脉冲宽度调制信号的模式检测器的第二脉冲宽度调制器的第二控制， 以及选择器，连接到第一和第二脉冲宽度调制器，用于根据模式检测器选择执行脉宽调制信号。

公开(公告)号：US20060256587A1

公开(公告)日：2006-11-16

申请号：US11413004

申请日：2006-04-28

Applicant: Gunnar Asplund ,  Ying Hafner ,  Johan Lindberg ,  Peter Lundberg ,  Jan Svensson ,  Rolf Palsson

Inventor： Gunnar Asplund ,  Ying Hafner ,  Johan Lindberg ,  Peter Lundberg ,  Jan Svensson ,  Rolf Palsson

IPC: H02M5/45

CPC classification number: H02M5/4585 ,  H02J3/36 ,  H02M7/5395 ,  H02M7/7575 ,  H02M2001/0054 ,  Y02B70/1491 ,  Y02E60/60

Abstract: A voltage source converter for high power application containing a plurality of valves, each valve containing a plurality of extinguishable semiconducting elements, and a valve control unit containing a computer and a pulse-width modulator providing an executing control signal for controlling the semiconducting elements. The valve control unit includes a first control containing a first pulse-width modulator for providing a first pulse-width modulation signal, a second control containing a second pulse-width modulator for providing, a second pulse-width modulation signal, a mode detector, and a selector connected to the first and second pulse-width modulator for selecting in dependence of the mode detector the executing pulse-width modulation signal.

Abstract translation: 一种用于高功率应用的电压源转换器，其包含多个阀，每个阀包含多个可熄灭的半导体元件，以及包含计算机和脉宽调制器的阀控制单元，其提供用于控制半导体元件的执行控制信号。 阀控制单元包括第一控制器，其包含用于提供第一脉冲宽度调制信号的第一脉冲宽度调制器，包含第二脉冲宽度调制器的第二控制器，用于提供第二脉冲宽度调制信号模式检测器， 以及选择器，连接到第一和第二脉冲宽度调制器，用于根据模式检测器选择执行脉宽调制信号。

公开(公告)号：US5872707A

公开(公告)日：1999-02-16

申请号：US932958

申请日：1997-09-18

Applicant: Gunnar Asplund

Inventor： Gunnar Asplund

IPC: H02H9/02 ,  H02H7/00 ,  H02H7/122 ,  H02H7/125 ,  H02J3/36 ,  H02M7/5387 ,  H02M7/757 ,  H02H7/12

CPC classification number: H02H7/1225 ,  H02J3/36 ,  H02M7/5387 ,  H02M7/757 ,  H02H7/1255 ,  Y02E60/60

Abstract: A plant for transmitting electric power having an alternating voltage network with at least one phase and at least one VSC converter is provided. The converter has at least one phase leg with two current valves connected in series. Each phase leg is connected at a point between the two current valves to a respective phase of the alternating voltage network. The plant also comprises at least one additional phase leg in the converter more than the number of phases of the alternating voltage network and a means for disconnecting a phase leg from its respective phase and for connecting the additional phase leg at a point between its two current valves to the disconnected phase.

Abstract translation: 提供一种用于传输具有至少一个相位和至少一个VSC转换器的具有交流电压网络的电力的设备。 转换器具有至少一个相位支路，其中两个电流阀串联连接。 每个相支路在两个电流阀之间的一点处连接到交流电压网络的相应相。 该设备还包括转换器中的至少一个附加相支路，多于交流电压网络的相数，以及用于将相支路与其相位相分离的装置，以及用于在其两个电流之间的点处连接附加相支线 阀门到断开的阶段。

公开(公告)号：US5644485A

公开(公告)日：1997-07-01

申请号：US503860

申请日：1995-07-18

Applicant: Gunnar Asplund

Inventor： Gunnar Asplund

IPC: H02J1/00 ,  H02J3/36 ,  H02M3/135 ,  H02M3/158 ,  H02M7/12 ,  H02M7/155 ,  H02M7/217

CPC classification number: H02J3/36 ,  H02M3/158 ,  H02M7/2173 ,  Y02E60/60

Abstract: A converter connection for conversion between alternating voltage and direct voltage, for connection to a power network (DCN) having a neutral pole (P0) and at least one pole (P+,P-) energized by direct voltage in relation to the neutral pole, comprises a voltage-source converter (VC) with two direct-voltage terminals (DP, DM). At least one of the direct-voltage terminals of the converter is connected by means of an electric pole conductor (W1, W12, W11, W21, W2) to at least one of the poles of the power network which are energized by direct voltage. The converter connection further comprises two valves (V7, V8) mutually series-connected at a common point of connection (J), each of said valves comprising a gate turn-off semiconductor valve (T1) and a diode valve (D1) connected thereto in anti-parallel connection, said series connection being connected between the direct-voltage terminals of the converter, and a reactor (SL) with a first terminal (T1) connected to the connection point and a second terminal (T2) which communicates with the neutral pole in an electrically conducting connection. The converter connection may be accommodated in a converter station (SR1 and SR2, respectively) included in an installation for transmission of high-voltage direct current. (FIG. 2)

Abstract translation: 用于连接到具有中性极（P0）和至少一个极（P +，P-）的电网（DCN）的转换器连接，用于在交流电压和直流电压之间进行转换，所述电力网（DCN）相对于中性极通过直流电压激励， 包括具有两个直流电压端子（DP，DM）的电压源转换器（VC）。 转换器的直流电压端子中的至少一个通过电极导体（W1，W12，W11，W21，W2）连接到由直流电压激励的电网的至少一个极。 转换器连接还包括在公共连接点（J）处相互串联连接的两个阀（V7，V8），每个所述阀包括与其连接的闸极关断半导体阀（T1）和二极管阀（D1） 在反并联连接中，所述串联连接连接在转换器的直流电压端子和连接到连接点的第一端子（T1）的反应器（SL）和与连接点连接的第二端子（T2） 中性极导电连接。 转换器连接可以容纳在用于传输高压直流电的设备中所包括的转换器站（分别为SR1和SR2）中。 （图2）