公开(公告)号：US06891303B2

公开(公告)日：2005-05-10

申请号：US08973305

申请日：1997-05-27

申请人： Mats Leijon ,  Bertil Berggren ,  Lars Gertmar ,  Jan-Anders Nygren ,  Erland Sörensen

发明人： Mats Leijon ,  Bertil Berggren ,  Lars Gertmar ,  Jan-Anders Nygren ,  Erland Sörensen

IPC分类号： H02K3/04 ,  H01F3/10 ,  H01F3/14 ,  H01F27/28 ,  H01F27/32 ,  H01F27/34 ,  H01F29/14 ,  H02H3/02 ,  H02J3/01 ,  H02J3/10 ,  H02K3/14 ,  H02K3/28 ,  H02K3/40 ,  H02K3/48 ,  H02K9/19 ,  H02K15/00 ,  H02K15/12 ,  H02K3/12

CPC分类号： H02K15/12 ,  H01F3/10 ,  H01F3/14 ,  H01F27/288 ,  H01F27/323 ,  H01F27/34 ,  H01F29/14 ,  H01F2027/329 ,  H02H3/025 ,  H02J3/01 ,  H02K3/14 ,  H02K3/28 ,  H02K3/40 ,  H02K3/48 ,  H02K9/19 ,  H02K11/40 ,  H02K15/00 ,  H02K2203/15 ,  Y02E40/40 ,  Y10S174/14 ,  Y10S174/20 ,  Y10S174/28

摘要： An electric high voltage AC machine intended to be directly connected to a distribution or transmission network (16) comprises at least one winding. This winding comprises at least one current-carrying conductor, a first layer having semiconducting properties provided around said conductor, a solid insulating layer provided around said first layer, and a second layer having semiconducting properties provided around said insulating layer. In addition grounding means (18, 24, 26, 28) are provided to connect at least one point of said winding to ground.

摘要翻译： 旨在直接连接到分配或传输网络（16）的电高压交流电机包括至少一个绕组。 该绕组包括至少一个载流导体，具有围绕所述导体设置的半导体性质的第一层，围绕所述第一层设置的固体绝缘层，以及在所述绝缘层周围设置的具有半导体性质的第二层。 此外，提供接地装置（18,24,26,28）以将所述绕组的至少一个点连接到地。

公开(公告)号：US06525504B1

公开(公告)日：2003-02-25

申请号：US09511366

申请日：2000-02-23

申请人： Jan-Anders Nygren ,  Bertil Berggren

发明人： Jan-Anders Nygren ,  Bertil Berggren

IPC分类号： H02P910

CPC分类号： H02K19/365 ,  H02K3/40 ,  H02K19/34 ,  H02K19/36 ,  H02K2203/15 ,  H02P9/105 ,  Y10S174/15 ,  Y10S174/16

摘要： A rotating electric machine for direct connection to high-voltage networks, in which the magnetic circuit adapted for high voltage comprises a rotor, stator and main and auxiliary windings in operative relation. At least one of the windings is a conductor surrounded by a magnetically permeable, field confining insulation system.

摘要翻译： 用于直接连接到高压网络的旋转电机，其中适用于高电压的磁路包括操作关系的转子，定子和主和辅绕组。 绕组中至少有一个是导磁体，它由一个可磁化的磁场约束绝缘系统包围。

公开(公告)号：US06828701B1

公开(公告)日：2004-12-07

申请号：US09355728

申请日：1999-10-04

申请人： Bertil Berggren ,  Lars Gertmar ,  Jan-Anders Nygren ,  Tore Petersson ,  Mats Leijon

发明人： Bertil Berggren ,  Lars Gertmar ,  Jan-Anders Nygren ,  Tore Petersson ,  Mats Leijon

IPC分类号： H02H706

CPC分类号： H02P9/305 ,  H02H7/06 ,  Y10S174/19 ,  Y10S174/29

摘要： A synchronous machine for power and/or voltage control comprises a stator with a stator winding and a rotor with a field winding. The stator winding comprises a high-voltage cable with solid insulation. A rotor has a thermally based rotor current limit intersecting with a thermally based stator current limit in a capability graph at a power factor considerably below the rated power factor or has the thermally based rotor current limit above the thermally based stator current limit. In the capability graph. Means are provided for limiting the currents in order to avoid thermal damage. In a method for power and/or voltage control of such a synchronous machine, the machine operates with the stator current exceeding the thermally based stator current limit for a certain time period less than the maxim an permissible time limit, whereafter the overload is reduced by reduction of either the active power or the field current or a combination of both.

摘要翻译： 用于电力和/或电压控制的同步电机包括具有定子绕组的定子和具有励磁绕组的转子。 定子绕组包括具有固体绝缘的高压电缆。 转子具有与基于热定子电流限制相交的热基转子电流极限，功率曲线的功率因数明显低于额定功率因数，或具有高于热定子电流极限的基于热的转子电流限制。 在能力图中。 提供了用于限制电流以避免热损伤的装置。 在这种同步电机的功率和/或电压控制方法中，机器以超过热定子电流限制的定子电流工作一段时间，小于允许时间限制的最大值，之后过载被减少 降低有功功率或励磁电流或二者的组合。

公开(公告)号：US06960844B1

公开(公告)日：2005-11-01

申请号：US10130351

申请日：2000-11-20

申请人： Falah Al-Hosini ,  Jan Smede ,  Jan-Anders Nygren Nolemo ,  Magnus Backman ,  Philip Kjaer ,  Lennart Balgård ,  Per Larsson ,  Ove Albertsson ,  Lars Jonsson ,  Jan Johansson

发明人： Falah Al-Hosini ,  Jan Smede ,  Jan-Anders Nygren Nolemo ,  Magnus Backman ,  Philip Kjaer ,  Lennart Balgård ,  Per Larsson ,  Ove Albertsson ,  Lars Jonsson ,  Jan Johansson

IPC分类号： H01H9/54 ,  H01H83/00

CPC分类号： H01H9/541 ,  Y10T307/865 ,  Y10T307/964

摘要： An electric switching device for alternating current comprises two branches (2, 3) connected in parallel in a current path and having each at least two contact members (4–7) connected in series. A semiconductor device (8) is adapted to interconnect the midpoints between the two contact members of each branch. When opening the current path a first contact member (5) of one, first branch located before said midpoint as seen in the current direction existing is controlled to open and a second contact member (6) of the second branch located after the midpoint as seen in the current direction is controlled to open for transferring the current to a temporary current path through the semiconductor device. The current path through the switching device is then broken when the semiconductor device is in a blocking state by opening a contact member (4, 7) of the switching device arranged in the temporary current path.

摘要翻译： 用于交流电的电开关装置包括在电流路径中并联连接并具有串联连接的至少两个接触构件（4-7）的两个分支（2,3）。 半导体器件（8）适于互连每个分支的两个接触元件之间的中点。 当打开电流路径时，位于当前存在的方向之前位于所述中点之前的一个第一分支的第一接触构件（5）被控制打开，并且第二分支的第二接触构件（6）位于中点之后，如图所示 电流方向被控制为打开以将电流传送到通过半导体器件的临时电流路径。 当通过打开布置在临时电流路径中的开关装置的接触构件（4,7）使半导体器件处于阻挡状态时，穿过开关装置的电流通路断开。

公开(公告)号：US06894416B1

公开(公告)日：2005-05-17

申请号：US08973018

申请日：1997-05-27

申请人： Mats Leijon ,  Bo Hernnäs ,  Peter Carstensen ,  Mons Hölleland ,  Peter Templin ,  Lars Gertmar ,  Claes Ivarson ,  Erland Sörensen ,  Gunnar Davidsson ,  Gunnar Kylander ,  Bertil Larsson ,  Sören Berggren ,  Bertil Berggren ,  Jan-Anders Nygren ,  Bengt Rydholm ,  Hans-Olof Kalldin

发明人： Mats Leijon ,  Bo Hernnäs ,  Peter Carstensen ,  Mons Hölleland ,  Peter Templin ,  Lars Gertmar ,  Claes Ivarson ,  Erland Sörensen ,  Gunnar Davidsson ,  Gunnar Kylander ,  Bertil Larsson ,  Sören Berggren ,  Bertil Berggren ,  Jan-Anders Nygren ,  Bengt Rydholm ,  Hans-Olof Kalldin

IPC分类号： H02M7/04 ,  B60M3/00 ,  H01B7/00 ,  H01B7/02 ,  H01F3/10 ,  H01F3/14 ,  H01F27/00 ,  H01F27/28 ,  H01F27/32 ,  H01F27/34 ,  H01F29/14 ,  H02H3/02 ,  H02J3/36 ,  H02K1/16 ,  H02K3/12 ,  H02K3/14 ,  H02K3/28 ,  H02K3/40 ,  H02K3/48 ,  H02K9/19 ,  H02K11/04 ,  H02K15/00 ,  H02K15/085 ,  H02K15/12 ,  H02K47/18 ,  H02M3/00

CPC分类号： H02K15/00 ,  H01F3/10 ,  H01F3/14 ,  H01F27/288 ,  H01F27/323 ,  H01F27/34 ,  H01F29/14 ,  H01F2027/2833 ,  H01F2027/329 ,  H01F2029/143 ,  H02H3/025 ,  H02K1/165 ,  H02K3/14 ,  H02K3/28 ,  H02K3/40 ,  H02K3/48 ,  H02K9/19 ,  H02K11/048 ,  H02K15/12 ,  H02K2203/15 ,  Y10S174/13 ,  Y10S174/14 ,  Y10S174/15 ,  Y10S174/17 ,  Y10S174/19 ,  Y10S174/20 ,  Y10S174/22 ,  Y10S174/24 ,  Y10S174/25 ,  Y10S174/26 ,  Y10S174/28 ,  Y10S174/29

摘要： The magnetic circuit of a generator in a hydro-generator plant is arranged to directly supply a high supply voltage of 20-800 kV, preferably higher than 36 kV. The generator is provided with solid insulation and its winding includes a cable (6) comprising one or more current-carrying conductors (31) with a number of strands (36) surrounded by at least one outer and one inner semiconducting layer (34, 32) and intermediate insulating layers (33). The outer semiconducting layer (34) is at earth potential. The stator winding may be produced with full or fractional slot winding, the phases of the winding being Y-connected. The Y-point may be insulated and protected from over-voltage by means of surge arresters, or else the Y-point may be earthed via a suppression filter. The invention also relates to a hydro-generator plant, a generator included in the plant and a procedure for building such a plant.

摘要翻译： 水力发电设备中发电机的磁路布置成直接提供20-800kV，优选高于36kV的高电源电压。 发电机具有固体绝缘，其绕组包括电缆（6），电缆（6）包括一个或多个载流导体（31），多个线束（36）由至少一个外部和一个内部半导体层（34,32）包围 ）和中间绝缘层（33）。 外部半导体层（34）处于地电位。 定子绕组可以用全部或分数的槽绕制成，绕组的相位是Y形连接的。 Y点可以通过避雷器进行绝缘和保护，免受过电压，否则Y点可能通过抑制滤波器接地。 本发明还涉及一种水力发电设备，包括在工厂中的发电机以及用于建造这种设备的过程。

公开(公告)号：US06465979B1

公开(公告)日：2002-10-15

申请号：US09355852

申请日：1999-10-04

申请人： Mats Leijon ,  Lars Gertmar ,  Jan-Anders Nygren ,  Peter Templin

发明人： Mats Leijon ,  Lars Gertmar ,  Jan-Anders Nygren ,  Peter Templin

IPC分类号： H02J318

CPC分类号： H02J3/1807 ,  H02K2203/15 ,  Y02E40/30 ,  Y10S174/15

摘要： A method and device for providing series compensation for rotating electric alternating current machines connected either directly, or via a static current converter, to a three-phase distribution or transmission network. The stator of the electric machine is Y-connected. A capacitive circuit for the fundamental frequency of the voltage is connected to each phase between the low voltage side of the winding and a ground of the transmission network.

摘要翻译： 一种用于直接或经由静态电流转换器连接到三相分配或传输网络的旋转电动交流电机的串联补偿的方法和装置。 电机的定子是Y连接的。 用于电压基频的电容电路连接到绕组的低压侧和传输网络的地之间的每相。

公开(公告)号：US06518865B1

公开(公告)日：2003-02-11

申请号：US09959667

申请日：2002-02-26

申请人： Falah Al-Hosini ,  Stefan Valdemarsson ,  Lars Jonsson ,  Jan-Anders Nygren ,  Per Larsson

发明人： Falah Al-Hosini ,  Stefan Valdemarsson ,  Lars Jonsson ,  Jan-Anders Nygren ,  Per Larsson

IPC分类号： H01H5300

CPC分类号： H01H33/285 ,  H01H79/00

摘要： An electric switching device for fast closing of a high current in a power network comprising a first electrode (1), a second electrode (2), a movable contact element (3) closing said first and second electrodes, and an operating device. The operating device comprises a helically wound first coil (6) secured to the first electrode. The movable contact element comprises a flange (4) making contact with the coil. A current pulse flowing through the coil forms a repulsive force between the coil and the flange, said repulsive force throwing the movable contact element to the second electrode and completing the closing operation.

摘要翻译： 一种用于在电力网络中快速关闭高电流的电开关装置，包括第一电极（1），第二电极（2），闭合所述第一和第二电极的可动触头元件（3）和操作装置。 操作装置包括固定到第一电极的螺旋缠绕的第一线圈（6）。 可动接触元件包括与线圈接触的凸缘（4）。 流过线圈的电流脉冲在线圈和法兰之间形成排斥力，所述斥力将可动接触元件投射到第二电极并完成闭合操作。