公开(公告)号：US20110310641A1

公开(公告)日：2011-12-22

申请号：US13139921

申请日：2008-12-17

Applicant: Gunnar Asplund ,  Erik Koldby

Inventor： Gunnar Asplund ,  Erik Koldby

IPC: H02J3/36 ,  H05K13/00

CPC classification number: H02M7/7575 ,  H02J3/36 ,  H02M7/797 ,  Y02E60/60

Abstract: A plant for transmitting electric power through HVDC includes two converter stations interconnected by a monopolar direct voltage network and each having an alternating voltage side for feeding electric power from one of said alternating voltage sides to the other. Each station has a line commutated converter. The plant is upgraded by making the direct voltage network bipolar, providing each station with a Voltage Source Converter and providing two switches for both line commutated converters or both Voltage Source Converters and a device configured to control said four switches.

Abstract translation: 用于通过HVDC传输电力的设备包括通过单极直流电压网互连的两个转换站，每个转换站具有用于将电力从所述交流电压侧之一馈送到另一个的交流电压侧。 每个站都有一个换向换流器。 该工厂通过直流电压网络双极性升级，为每个站提供电压源转换器，并为两个线路换向转换器或两个电压源转换器提供两个开关，以及配置为控制所述四个开关的器件。

公开(公告)号：US20110278041A1

公开(公告)日：2011-11-17

申请号：US13163445

申请日：2011-06-17

Applicant: Gunnar Asplund ,  Björn Jacobson

Inventor： Gunnar Asplund ,  Björn Jacobson

IPC: H01B9/02 ,  H01R43/00

CPC classification number: H01B9/021 ,  H01B9/023 ,  Y10T29/49117

Abstract: A DC cable for high voltages having at least an inner conductor surrounded by an insulating layer configured to take the voltage to be taken between the conductor and the surroundings of the cable. The insulating layer is formed by a plurality of superimposed film-like layers of insulating material each having isolated areas of metal on top thereof. The metal areas of consecutive such film-like layers are at least partially overlapping each other as seen in the radial direction of the cable so as to create a large number of small capacitors in said insulating layer of the cable.

Abstract translation: 一种用于高电压的直流电缆，其至少具有被绝缘层包围的内部导体，所述绝缘层被配置为承受导体与电缆周围之间的电压。 绝缘层由多个叠层的绝缘材料层形成，每个绝缘材料的顶部均具有隔离的金属区域。 连续的这种膜状层的金属区域在电缆的径向方向上至少部分地彼此重叠，从而在电缆的所述绝缘层中产生大量的小电容器。

公开(公告)号：US20110222323A1

公开(公告)日：2011-09-15

申请号：US12811930

申请日：2008-12-23

Applicant: Lars Dofnas ,  Lennart Harnefors ,  Anders J. Pettersson ,  Roland Siljeström ,  Gunnar Asplund

Inventor： Lars Dofnas ,  Lennart Harnefors ,  Anders J. Pettersson ,  Roland Siljeström ,  Gunnar Asplund

IPC: H02M7/72

CPC classification number: H02M7/483 ,  H02M7/5395 ,  H02M2007/4835

Abstract: A device for converting a DC voltage into an AC voltage and vice versa comprises a control system to control the voltage conversion and at least one phase leg (1) with a first (Uvp1) voltage source connected in series between a first DC terminal (4) and a first AC terminal (6) and with a second (Uvn1) voltage source connected in series between the first AC terminal (6) and a second DC terminal (5). Each of the voltage sources comprises at least a first and a second submodule (15) in series-connection, where each submodule (15) comprises at least two power electronic switches (16) connected in parallel with at least one capacitor (17). The control system comprises a central control unit (19) and at least two subunits (20), where the central control unit (19) transmits to each subunit (20) a reference AC voltage (ua_ref) and a switching carrier signal (s_sw) and where each subunit (20) controls the switching of the power electronic switches (16) of one of the submodules (15) according to a PWM pattern so that each time the switching carrier signal (s_sw) crosses the reference AC voltage (ua_ref) either the voltage across the capacitor (17) or a zero voltage are applied to output terminals (26, 27) of the corresponding submodule (15).

Abstract translation: 用于将DC电压转换为AC电压的装置反之亦然包括控制系统，用于控制电压转换和至少一个相位支路（1），其中第一（Uvp1）电压源串联连接在第一直流端子（4） ）和第一AC端子（6）以及串联连接在第一AC端子（6）和第二DC端子（5）之间的第二（Uvn1）电压源。 每个电压源包括串联连接的至少第一和第二子模块（15），其中每个子模块（15）包括与至少一个电容器（17）并联连接的至少两个电力电子开关（16）。 控制系统包括中央控制单元（19）和至少两个子单元（20），其中中央控制单元（19）向每个子单元（20）传输参考AC电压（ua_ref）和开关载波信号（s_sw） 并且其中每个子单元（20）根据PWM模式控制子模块（15）之一的功率电子开关（16）的切换，使得每当切换载波信号（s_sw）与参考AC电压（ua_ref）交叉时， 电容器（17）两端的电压或零电压都被施加到相应的子模块（15）的输出端子（26,27）。

公开(公告)号：US07939751B2

公开(公告)日：2011-05-10

申请号：US12299435

申请日：2006-05-04

Applicant: Gunnar Asplund ,  Olof Heyman ,  Urban Åström

Inventor： Gunnar Asplund ,  Olof Heyman ,  Urban Åström

IPC: H01R4/66

CPC classification number: H01R4/66

Abstract: A return path between a first HVDC station and a second HVDC station. A first electrode is connected to the first station and a second electrode is connected to the second station. The return path includes a first part including a first low resistive zone through the crust of the earth in which the first electrode is embedded. A second part includes the earth mantle. A third part includes a second low resistive zone through the crust of the earth in which the second electrode is embedded.

Abstract translation: 在第一HVDC站和第二HVDC站之间的返回路径。 第一电极连接到第一站，第二电极连接到第二站。 返回路径包括第一部分，其包括通过其中第一电极被嵌入的地球的第一低电阻区域。 第二部分包括地幔。 第三部分包括穿过第二电极嵌入的地球的第二低电阻区域。

公开(公告)号：US20110069517A1

公开(公告)日：2011-03-24

申请号：US12991161

申请日：2008-05-06

Applicant: Gunnar Asplund

Inventor： Gunnar Asplund

IPC: H02M7/537

CPC classification number: H02J3/36 ,  H01F27/34 ,  H01F29/02 ,  H01F30/12 ,  H01F38/00 ,  H02M7/483 ,  H02M2001/0064 ,  H02M2007/4835 ,  Y02E60/60

Abstract: An arrangement for converting direct voltage into alternating voltage and conversely has a Voltage Source Converter with at least one phase leg connected to opposite poles (5, 6) of a direct voltage side of the converter and a series connection of switching cells arranged between said poles. Each half (8, 9) of this series connection is connected to a mid point forming a phase output by a phase reactor. The phase reactors of a said phase leg are built in a transformer (30) configured to connect said phase output to an alternating voltage phase line (28) by forming a primary winding each of the transformer arranged to interact with a secondary winding thereof connected to the alternating voltage phase line.

Abstract translation: 用于将直流电压转换为交流电压的装置相反地具有电压源转换器，该电压源转换器具有连接到转换器的直流电压侧的相对极（5,6）的至少一个相位支路，以及布置在所述极点 。 该串联连接的每一半（8,9）连接到由相位反应器形成相输出的中点。 所述相支脚的相电抗器构建在变压器（30）中，变压器（30）被配置为通过形成初级绕组将所述相位输出连接到交流电压相线（28），所述初级绕组中的每一个被布置成与连接到 交流电压相线。

公开(公告)号：US20110038193A1

公开(公告)日：2011-02-17

申请号：US12933623

申请日：2006-03-20

Applicant: Björn Jacobson ,  Gunnar Asplund

Inventor： Björn Jacobson ,  Gunnar Asplund

IPC: H02M7/537

CPC classification number: H02M7/003 ,  H01L24/72 ,  H01L25/074 ,  H01L2924/01005 ,  H01L2924/01018 ,  H01L2924/01033 ,  H01L2924/01075 ,  H01L2924/01082 ,  H01L2924/1301 ,  H01L2924/1305 ,  H01L2924/13055 ,  H01L2924/19041 ,  H01L2924/19042 ,  H01L2924/19043 ,  H02M7/483 ,  H02M2007/4835 ,  H01L2924/00

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 elements including at least one energy storing capacitor and configured to obtain two switching states, namely a first switching state and a second switching state, in which the voltage across said at least one energy storing capacitor and a zero voltage, respectively, is applied across the terminals of the switching element, has semiconductor chips of said switching elements arranged in stacks comprising each at least two semiconductor chips. The converter comprises an arrangement configured to apply a pressure to opposite ends of each stack.

Abstract translation: 一种电压源转换器，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，并且包括具有至少一个储能电容器的开关元件的串联连接，并被配置为获得两个开关状态，即第一开关状态 以及第二开关状态，其中分别跨越所述至少一个储能电容器和零电压的电压跨越所述开关元件的端子施加，所述开关元件的半导体芯片布置成堆叠，所述半导体芯片包括每个至少两个 半导体芯片。 转换器包括被配置为向每个堆叠的相对端施加压力的装置。

公开(公告)号：US20100133915A1

公开(公告)日：2010-06-03

申请号：US12303051

申请日：2006-05-30

Applicant: Gunnar Asplund ,  Changchun Zhou ,  Quianjin Liu

Inventor： Gunnar Asplund ,  Changchun Zhou ,  Quianjin Liu

IPC: H02J3/24

CPC classification number: H02J3/1807 ,  Y02E40/14

Abstract: An apparatus for controlling a thyristor controlled series capacitor connected to a power transmission line. A thyristor firing control includes a unit for effectuating a desired capacitor voltage zero crossing in dependence of a line current and a capacitor voltage in response to a command signal. A command control provides the command signal to the thyristor firing control. The command control includes a damping control including a damper configured to damp at a least one discrete frequency.

Abstract translation: 一种用于控制连接到输电线的晶闸管控制串联电容器的装置。 晶闸管触发控制包括用于响应于指令信号而实现根据线电流和电容器电压来实现期望的电容器电压过零的单元。 命令控制提供命令信号到晶闸管点火控制。 命令控制包括阻尼控制，该阻尼控制包括构造成以至少一个离散频率衰减的阻尼器。

公开(公告)号：US5249114A

公开(公告)日：1993-09-28

申请号：US820857

申请日：1992-01-22

Applicant: Gunnar Asplund ,  Olle Ekwall

Inventor： Gunnar Asplund ,  Olle Ekwall

IPC: H01L25/10 ,  H01L25/11 ,  H01L25/18 ,  H02B7/00 ,  H02M7/04

CPC classification number: H02B7/00 ,  H01L25/117 ,  H01L2924/0002

Abstract: The invention relates to a new arrangement of at least one valve stack (2) for high voltage direct current in a valve hall (1). Said valve stack (2) has a voltage to ground which, in operation, increases along the stack (2). The invention comprises arranging the stack (2) in a substantially lying position at such a distance from the floor and roof (9), respectively, of the valve hall (1) that the smallest electrical flashover distance between live parts on the stack (2) and said floor and roof (9), respectively, is at least contained. Further, the electrical connection is arranged via bushings through the roof (9) of the valve hall (1).

Abstract translation: PCT No.PCT / SE90 / 00468 Sec。 371日期1992年1月22日 102（e）日期1992年1月22日PCT提交1990年6月29日PCT公布。 出版物WO91 / 03087 日本1991年3月7日。本发明涉及一种用于阀门（1）中的高压直流电流的至少一个阀组（2）的新装置。 所述阀组（2）具有接地电压，其在操作中沿着堆（2）增加。 本发明包括将堆叠（2）分别布置在距离阀门（1）的地板和屋顶（9）这样一段距离处的基本上位于距离堆叠（2）上的带电部件之间的最小电气闪络距离 ）和所述地板和屋顶（9）分别至少包含。 此外，电气连接通过衬套穿过阀门（1）的屋顶（9）布置。

公开(公告)号：US08875857B2

公开(公告)日：2014-11-04

申请号：US13638547

申请日：2011-03-31

Applicant: Gunnar Asplund

Inventor： Gunnar Asplund

IPC: B60M1/30 ,  B60M1/34 ,  E01H8/12 ,  B60L11/18 ,  B60M1/36 ,  B60L5/40 ,  H01R41/02

CPC classification number: B60M1/36 ,  B60L5/40 ,  B60L11/1801 ,  B60L2200/26 ,  B60M1/34 ,  E01H8/12 ,  H01R41/02 ,  Y02A30/38 ,  Y02T10/646 ,  Y02T10/70 ,  Y02T10/7005

Abstract: A snow plough arrangement comprising a least one snow plough unit and related to a system for driving an electrically propellable vehicle along a roadway. The vehicle has three sources of power: a vehicle-related power generator, a set of batteries and vehicle-external electric stations. The vehicle is provided with a current collector which is displaceable up and down and sideways in relation to the direction of transportation, in order to be brought into mechanical and electrical contact with elongated tracks positioned below the roadway and comprising a conductor adapted to be connected with an electric station. The snow plough unit is rotatably fastened to the contact means in an upper area thereof about a horizontally oriented axis of rotation and adapted to clear loose obstacles from the track and yield to solid obstacles. The snow plough unit and the axis of rotation are movably disposed in a vertical direction by means of a resilient member. The snow plough unit comprises a forwardly directed edge portion oriented in the direction of travel, the edge portion comprising a point, which may be brought into contact with the bottom of the track and/or the conductor.

Abstract translation: 一种积雪装置，包括至少一个积雪机组，并且与用于沿巷道驱动电动推进车辆的系统有关。 车辆有三个电源：车载发电机，一组电池和车辆外部电站。 车辆设置有集流器，其可相对于运输方向上下移动并且侧向移动，以便与位于道路下方的细长轨道机械和电接触，并且包括适于与 一个电站。 雪犁单元围绕水平定向的旋转轴线在其上部区域中可旋转地固定到接触装置，并适于从轨道清除松散的障碍物并产生固体障碍物。 雪犁单元和旋转轴线通过弹性构件在垂直方向上可移动地设置。 雪犁单元包括沿行进方向定向的向前定向的边缘部分，边缘部分包括可以与轨道和/或导体的底部接触的点。

公开(公告)号：US08851252B2

公开(公告)日：2014-10-07

申请号：US13638605

申请日：2011-03-31

Applicant: Gunnar Asplund

Inventor： Gunnar Asplund

IPC: B60M1/30 ,  B60M1/36 ,  B60L11/18 ,  B60L5/40 ,  B60M7/00 ,  E01H8/12

CPC classification number: B60M1/36 ,  B60L5/40 ,  B60L11/1809 ,  B60L2200/26 ,  B60M7/003 ,  E01H8/12 ,  Y02A30/38 ,  Y02T10/646 ,  Y02T10/7005 ,  Y02T10/7072 ,  Y02T10/7088 ,  Y02T90/14

Abstract: A cleaning means related to a vehicle-related system for driving an electrically propellable vehicle along a roadway. The vehicle has three sources of power: a vehicle-related power generator, a set of batteries and vehicle-external electric stations. The vehicle is provided with a current collector which is displaceable up and down and sideways in relation to the direction of transportation, in order to be brought into mechanical and electrical contact with elongated tracks positioned below the roadway and comprising a conductor adapted to be connected with an electric station. The cleaning means is rotatably fastened in an upper area thereof about a horizontally oriented axis of rotation and adapted to clean the track from loose obstacles and/or yield to solid obstacles. The cleaning means and the axis of rotation are movably disposed in vertical direction by means of a resilient member. The cleaning comprises a forwardly directed edge portion oriented in the direction of travel, the edge portion comprising a point which may be brought into contact with the track and the conductor.

Abstract translation: 一种与车辆相关系统相关的清洁装置，用于沿着道路驱动电可推动车辆。 车辆有三个电源：车载发电机，一组电池和车辆外部电站。 车辆设置有集流器，其可相对于运输方向上下移动和横向移动，以便与位于道路下方的细长轨道机械和电接触，并且包括导体，其适于与 一个电站。 清洁装置围绕水平定向的旋转轴线可旋转地固定在其上部区域中，并且适于将轨道从松动的障碍物清洁和/或屈服于固体障碍物。 清洁装置和旋转轴线通过弹性构件在垂直方向上可移动地设置。 清洁包括沿行进方向定向的向前定向的边缘部分，边缘部分包括可以与轨道和导体接触的点。