公开(公告)号：US10340809B2

公开(公告)日：2019-07-02

申请号：US16072704

申请日：2017-02-03

Applicant: Eltek AS

Inventor： Kjetil Boysen

IPC: H02M3/335 ,  H02M7/48 ,  H02M1/42 ,  H02M1/00

Abstract: A bi-directional DC-DC resonant converter with bi-directional voltage control includes: primary converter terminals defining a primary voltage; secondary converter terminals defining a secondary voltage; a transformer device having primary transformer terminals and secondary transformer terminals; a resonant tank device having first and second primary resonant tank terminals defining a primary resonant tank voltage and first and second secondary resonant tank terminals defining a secondary resonant tank voltage, wherein the primary tank terminals are connected to the secondary transformer terminals; a primary switching circuit connected between the primary converter terminals and the primary transformer terminals; and a secondary switching circuit connected between the secondary resonant tank terminals and the secondary converter terminals.

公开(公告)号：US10284115B2

公开(公告)日：2019-05-07

申请号：US15119406

申请日：2015-02-25

Applicant: Eltek AS

Inventor： Arkadiusz Kulka ,  Kjetil Boysen

IPC: H02J3/00 ,  H02M7/68 ,  H02J3/38 ,  H02M7/81 ,  H02J3/32 ,  H02J7/35 ,  H02M7/797 ,  H02M7/49 ,  H02S40/32 ,  H02J3/46

Abstract: An inverter system includes an input inverter including a positive and a negative DC input terminals and first and second AC output terminals; and a bidirectional inverter device, including a first bidirectional subinverter and a second bidirectional subinverter. The first and second bidirectional subinverters have DC terminals that are interconnected in parallel with a DC power storage device. The first bidirectional subinverter have first and second AC terminals. The first AC terminal is connected to the first AC output terminal of the input inverter. The second bidirectional subinverter have first and second AC terminals. The first AC terminal is connected to the second AC output terminal of the input inverter. The second AC terminal of the first bidirectional subinverter and the second AC terminal of the second bidirectional subinverter are interconnected.

公开(公告)号：US09793754B2

公开(公告)日：2017-10-17

申请号：US14768469

申请日：2013-12-20

Applicant: Eltek AS

Inventor： Erik Myhre ,  Thomas Olsen ,  Jan Tore Brastad ,  Odd Roar Schmidt

IPC: H02J7/00 ,  H02J9/06 ,  G06F1/30 ,  H02M3/04 ,  H02M7/04 ,  H01M10/48 ,  H01M10/6563

CPC classification number: H02J9/061 ,  G06F1/30 ,  H01M10/486 ,  H01M10/6563 ,  H02J7/0068 ,  H02M3/04 ,  H02M7/04

Abstract: A power supply system module that includes a first and second AC terminals, positive and negative DC terminals and a housing. An AC-DC converter is connected to the first and second AC terminals, and a DC-DC converter is connected between the AC-DC converter and an internal DC bus. A protection circuit is connected between the internal DC bus and the positive or negative DC terminal. A control device controls the AC-DC converter and/or the DC-DC converter. The AC-DC converter, the DC-DC converter and the control device are provided inside the housing. The power supply system module also includes a backup battery device that has a backup battery connected to the internal DC bus via a battery management system. The backup battery device is provided inside the housing.

公开(公告)号：US20170063254A1

公开(公告)日：2017-03-02

申请号：US15119406

申请日：2015-02-25

Applicant: Eltek AS

Inventor： Arkadiusz Kulka ,  Kjetil Boysen

IPC: H02M7/68 ,  H02J7/35 ,  H02S40/32 ,  H02J3/46 ,  H02J3/38 ,  H02J3/32

CPC classification number: H02M7/68 ,  H02J3/32 ,  H02J3/383 ,  H02J3/46 ,  H02J7/35 ,  H02M7/49 ,  H02M7/797 ,  H02M7/81 ,  H02S40/32 ,  Y02E10/563 ,  Y02E10/566 ,  Y02E70/30

Abstract: An inverter system includes an input inverter including a positive and a negative DC input terminals and first and second AC output terminals; and a bidirectional inverter device, including a first bidirectional subinverter and a second bidirectional subinverter. The first and second bidirectional subinverters have DC terminals that are interconnected in parallel with a DC power storage device. The first bidirectional subinverter have first and second AC terminals. The first AC terminal is connected to the first AC output terminal of the input inverter. The second bidirectional subinverter have first and second AC terminals. The first AC terminal is connected to the second AC output terminal of the input inverter. The second AC terminal of the first bidirectional subinverter and the second AC terminal of the second bidirectional subinverter are interconnected.

Abstract translation: 逆变器系统包括：输入反相器，包括正负输入端和第一和第二交流输出端; 以及包括第一双向子逆变器和第二双向子逆变器的双向逆变器装置。 第一和第二双向次级逆变器具有与直流电力存储装置并联的直流端子。 第一双向次级逆变器具有第一和第二AC端子。 第一个交流端子连接到输入逆变器的第一个交流输出端子。 第二双向副逆变器具有第一和第二AC端子。 第一个交流端子连接到输入逆变器的第二个交流输出端子。 第一双向子逆变器的第二AC端子和第二双向子逆变器的第二AC端子互连。

公开(公告)号：US09392724B2

公开(公告)日：2016-07-12

申请号：US14391805

申请日：2013-04-04

Applicant: Eltek AS

Inventor： Håkon Hafnor

IPC: H05K7/00 ,  H05K7/18 ,  H05K7/14

CPC classification number: H05K7/18 ,  H05K7/1411 ,  H05K7/1457

Abstract: A power supply system having a power converter unit and a rack. The rack has a shelf and a shelf connection device. The power converter unit has a housing and a unit connection device, where the unit connection device is adapted to be releasably locked to the shelf connection device when the power converter unit is inserted into the shelf. The shelf connection device has a recess, and the unit connection device has a plate spring and an actuating device. A first end of the plate spring is connected to the housing and a second end of the plate spring is supported on or connected to the actuating device. The actuating device is arranged to move the plate spring between a locked position, in which the plate spring is protruding from the housing into the recess, and an open position, in which the plate spring is retracted from the recess.

Abstract translation: 具有电源转换器单元和机架的电源系统。 机架具有架子和架子连接装置。 电力转换器单元具有壳体和单元连接装置，其中当电力转换器单元插入搁板时，单元连接装置适于可释放地锁定到搁板连接装置。 搁架连接装置具有凹部，并且单元连接装置具有板簧和致动装置。 板簧的第一端连接到壳体，并且板簧的第二端支撑在致动装置上或连接到致动装置。 致动装置被布置成使板簧在其中板弹簧从壳体突出到凹部中的锁定位置和打开位置之间移动，弹簧从该凹部中退回。

公开(公告)号：US09225236B2

公开(公告)日：2015-12-29

申请号：US14381220

申请日：2013-03-07

Applicant: Eltek AS

Inventor： Arkadiusz Kulka

IPC: H02M7/5387 ,  H02M1/42 ,  H02M7/5395

CPC classification number: H02M1/4233 ,  H02M7/5387 ,  H02M7/53871 ,  H02M7/5395

Abstract: The invention relates to a H-bridge inverter and a method for controlling a H-bridge converter. The H-bridge inverter (1) comprises first and second DC terminals (Tdc1, Tdc2), first and second AC terminals (Tac1, Tac2), a first switch (S1), a second switch (S2), a third switch (S3) and a fourth switch (S4). The inverter further comprises a control circuit for controlling the switching of the first, second, third and fourth switches (S11, S2, S3, S4). The control circuit is configured to control the switches (S1, S2, S3, S4) in continuous mode between the following states: a first state where the first switch (S1) is turned off, the second switch (S2) is performing PWM switching, the third switch (S3) is turned off and the fourth switch (S4) is turned on; a second state where the first switch (S1) is turned off, the second switch (S2) is performing PWM switching, the third switch (S3) is turned on and the fourth switch (S4) is turned off; a third state where the first switch (S1) is turned off, the second switch (S2) is turned on, the third switch (S3) is turned off and the fourth switch (54) is performing PWM switching; and a fourth state where the first switch (S1) is turned on, the second switch (S2) is turned off, the third switch (S3) is turned off and the fourth switch (S4) is performing PWM switching.

Abstract translation: 本发明涉及H桥逆变器及其控制方法。 H桥逆变器（1）包括第一和第二DC端子（Tdc1，Tdc2），第一和第二AC端子（Tac1，Tac2），第一开关（S1），第二开关（S2），第三开关（S3 ）和第四开关（S4）。 逆变器还包括用于控制第一，第二，第三和第四开关（S11，S2，S3，S4）的切换的控制电路。 控制电路被配置为在以下状态之间以连续模式控制开关（S1，S2，S3，S4）：第一开关（S1）关闭的第一状态，第二开关（S2）正在执行PWM切换 ，第三开关（S3）关闭，第四开关（S4）导通; 第一开关（S1）关闭的第二状态，第二开关（S2）进行PWM切换，第三开关（S3）导通，第四开关（S4）断开; 第三状态，其中第一开关（S1）关闭，第二开关（S2）导通，第三开关（S3）断开，第四开关（54）进行PWM开关; 以及第一开关（S1）导通的第四状态，第二开关（S2）截止，第三开关（S3）断开，第四开关（S4）进行PWM开关。

公开(公告)号：US20150085431A1

公开(公告)日：2015-03-26

申请号：US14391805

申请日：2013-04-04

Applicant: Eltek AS

Inventor： Håkon Hafnor

IPC: H05K7/18

CPC classification number: H05K7/18 ,  H05K7/1411 ,  H05K7/1457

Abstract: A power supply system having a power converter unit and a rack. The rack has a shelf and a shelf connection device. The power converter unit has a housing and a unit connection device, where the unit connection device is adapted to be releasably locked to the shelf connection device when the power converter unit is inserted into the shelf. The shelf connection device has a recess, and the unit connection device has a plate spring and an actuating device. A first end of the plate spring is connected to the housing and a second end of the plate spring is supported on or connected to the actuating device. The actuating device is arranged to move the plate spring between a locked position, in which the plate spring is protruding from the housing into the recess, and an open position, in which the plate spring is retracted from the recess.

Abstract translation: 具有电源转换器单元和机架的电源系统。 机架具有架子和架子连接装置。 电力转换器单元具有壳体和单元连接装置，其中当电力转换器单元插入搁板时，单元连接装置适于可释放地锁定到搁板连接装置。 搁架连接装置具有凹部，并且单元连接装置具有板簧和致动装置。 板簧的第一端连接到壳体，并且板簧的第二端支撑在致动装置上或连接到致动装置。 致动装置被布置成使板簧在其中板弹簧从壳体突出到凹部中的锁定位置和打开位置之间移动，板簧从凹部缩回。

公开(公告)号：US20150078054A1

公开(公告)日：2015-03-19

申请号：US14391573

申请日：2013-04-04

Applicant: Eltek AS

Inventor： Erik Myhre ,  Thomas Olsen ,  Jan Tore Brastad ,  Håkon Hafnor

IPC: H01F27/28 ,  H01F27/24 ,  H02M7/44 ,  H01F27/06

CPC classification number: H01F27/2895 ,  H01F17/06 ,  H01F27/06 ,  H01F27/24 ,  H01F2017/0093 ,  H02M7/44

Abstract: A common mode inductor device includes a magnetic core forming a continuous loop, a first winding wound around the magnetic core, and a second winding wound around the magnetic core. The magnetic core further includes a first leg section, a second leg section, a third leg section and a fourth leg section. The first winding is wound around the first leg section, the second winding is wound around the second leg section, the third leg section is provided between a first end area of the first leg section and a first end area of the second leg section, and the fourth leg section is provided between a second end area of the first leg section and a second end area of the second leg section.

Abstract translation: 共模电感器件包括形成连续环的磁芯，围绕磁芯缠绕的第一绕组和缠绕在磁芯上的第二绕组。 磁芯还包括第一腿部，第二腿部，第三腿部和第四腿部。 第一绕组围绕第一腿部缠绕，第二绕组缠绕在第二腿部周围，第三腿部设置在第一腿部的第一端部区域和第二腿部的第一端部区域之间，以及 第四腿部设置在第一腿部的第二端部区域和第二腿部的第二端部区域之间。

公开(公告)号：US20150070950A1

公开(公告)日：2015-03-12

申请号：US14391766

申请日：2013-04-04

Applicant: Eltek AS

Inventor： Erik Myhre ,  Thomas Olsen ,  Jan Tore Brastad

IPC: H02H3/20 ,  H02M7/217 ,  H02H7/125

CPC classification number: H02H3/20 ,  H02H7/125 ,  H02M1/32 ,  H02M3/33523 ,  H02M7/125 ,  H02M7/217

Abstract: An AC-DC converter device includes a first overvoltage protection circuit connected between a first DC output terminal and a first control terminal of a gate pulse controller. The first overvoltage protection circuit is configured to turn off a first switch if the output voltage between the DC output terminals is above a threshold voltage. A galvanic insulation barrier is connected either between the first overvoltage protection circuit and the first control terminal or between the first control terminal and the first switch.

Abstract translation: AC-DC转换器装置包括连接在第一直流输出端和门脉冲控制器的第一控制端之间的第一过电压保护电路。 第一过电压保护电路被配置为如果直流输出端子之间的输出电压高于阈值电压，则关闭第一开关。 在第一过电压保护电路和第一控制端子之间或第一控制端子与第一开关之间连接电绝缘栅极。