公开(公告)号：EP3964901B1

公开(公告)日：2024-07-10

申请号：EP21193792.5

申请日：2021-08-30

IPC分类号： G05B19/05 ,  G06Q50/06 ,  F02N11/08 ,  H01H71/00 ,  H01H33/36 ,  H02H7/08 ,  G05B9/02

CPC分类号： G06Q50/06 ,  G05B19/056 ,  G05B2219/263920130101 ,  F02N11/087 ,  G05B9/02 ,  H02H9/001 ,  H02H7/122 ,  F02N11/0862 ,  F02N2250/0220130101 ,  F02N2300/30220130101 ,  Y04S10/50

公开(公告)号：EP4383495A1

公开(公告)日：2024-06-12

申请号：EP23201720.2

申请日：2023-10-05

申请人： Vertiv Corporation

发明人： LIN, Shaoqiang ,  XU, Wei ,  GUO, Xiaolu ,  WANG, Ying

IPC分类号： H02H9/00 ,  H02M1/36 ,  H02J9/06

CPC分类号： H02H9/001 ,  H02M1/36 ,  H02J9/061 ,  H02M1/32 ,  H02M1/4216 ,  H02M7/219

摘要： A soft start circuit of a UPS relay includes a three-phase pre-charging module, a first PFC module, a second PFC module, a relay module, a three-phase input voltage detection module, a bus voltage detection module and a relay control module. The relay control module is electrically connected to the three-phase input voltage detection module and the bus voltage detection module and controls the connection of the relay module, to control part of relays in the relay module to be turned on based on the A-phase input voltage, the B-phase input voltage, the C-phase input voltage and the bus voltage to soft start the relay. The relay can be safely turned on without being damaged by an impact current in a case that an input voltage is unbalanced.

公开(公告)号：EP3377364A2

公开(公告)日：2018-09-26

申请号：EP16798142.2

申请日：2016-11-17

申请人： Marquardt GmbH

发明人： MOOSMANN, Daniel ,  HAMMA, Andreas ,  HASENFRATZ, Robert ,  OSTLER, Markus ,  LOPEZ, Daniel ,  RECKERMANN, Matthias ,  MATEJA, Darius

IPC分类号： B60L11/18 ,  H02H9/00 ,  B60L1/00 ,  B60L3/04

CPC分类号： B60L11/18 ,  B60L1/00 ,  B60L3/04 ,  B60L2270/20 ,  H02H9/001 ,  Y02T10/7005

摘要： The invention relates to a battery system (1), in particular for a motor vehicle, comprising at least one battery cell and/or rechargeable battery cell (2) and a consumer (3) that is in electrical contact with the battery cell and/or rechargeable battery cell (2) by means of a feeder line (4). An actuatable electromechanical component (6), such as an electrical switch, a relay, or similar, is provided in the feeder line (4), in order to actuate the feeder line (4). An electrical resistance (26) is electrically connected in parallel with the electromechanical component (6), in the manner of a resistance bypass.

公开(公告)号：EP3091651B1

公开(公告)日：2018-09-26

申请号：EP15864317.1

申请日：2015-03-11

申请人： MITSUBISHI ELECTRIC CORPORATION

发明人： MAKINO, Yasushi ,  OWADA, Kenta

IPC分类号： H02M3/155 ,  H02M7/06 ,  H02M1/42 ,  H01L29/16 ,  H02H9/00

CPC分类号： H02H7/125 ,  H01L29/1602 ,  H01L29/1608 ,  H01L29/2003 ,  H02H3/24 ,  H02H9/001 ,  H02M1/4225 ,  H02M3/155 ,  H02M7/06 ,  H02M7/217 ,  H02M2001/0025 ,  Y02B70/126

摘要： A power supply device includes a resistor 11 that limits an electric current supplied from an AC power supply 2, a switching unit 12 that is connected in parallel with the resistor 11, a rectifier circuit unit 13 that is connected to a subsequent stage of the resistor 11 and the switching unit 12 and rectifies an AC voltage of the AC power supply 2, a booster circuit unit 14 that boosts the rectified DC voltage, a DC-voltage detection unit 15 that detects a DC voltage output from the booster circuit unit 14, an AC voltage detection unit 19 that detects an AC voltage of the AC power supply 2, a protection setting unit 16 that compares a first protection voltage calculated on the basis of the boosting level by the booster circuit unit 14 with a second protection voltage calculated on the basis of the AC voltage detected by the AC-voltage detection unit 19 and sets either one as a protection voltage, and a control unit 17 that opens the switching unit 12 when the DC voltage falls below the protection voltage set by the protection setting unit 16 and stops boosting performed by the booster circuit unit 14. Accordingly, the power supply device can suppress an inrush current generated at the time of recovery from a power failure.

公开(公告)号：EP3300237A1

公开(公告)日：2018-03-28

申请号：EP15892578.4

申请日：2015-05-20

申请人： Nissan Motor Co., Ltd.

发明人： SHIMOMURA, Taku ,  HAYASHI, Tetsuya ,  TSUGAWA, Dai ,  IKARI, Takayuki

IPC分类号： H02M3/00

CPC分类号： H02H9/001 ,  G01R31/3278 ,  G01R31/44 ,  H01H9/542 ,  H02M3/00 ,  H02M7/48

摘要： A power supply control apparatus includes a DC power supply including a positive electrode and a negative electrode, a load electrically connected to the DC power supply, a relay connected to a current path from the positive electrode to the negative electrode through the load in series, a switching device connected to the current path in series, and a controller controlling the relay and the switching device. The controller, in a case in which the current path is to be electrically cut off, switches the switching device to an Off state and then switches the relay to the Off state.

摘要翻译： 本发明公开了一种电源控制设备，包括：直流电源，包括正电极和负电极;负载，电连接到直流电源;继电器，连接到从正电极到负电极的电流通路， 与电流路径串联连接的开关装置以及控制继电器和开关装置的控制器。 在电流路径将被电切断的情况下，控制器将开关装置切换到关闭状态，然后将继电器切换到关闭状态。

公开(公告)号：EP2034583B1

公开(公告)日：2018-01-31

申请号：EP07744756.3

申请日：2007-05-30

申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

发明人： OYOBE, Hichirosai ,  ANG, Wanleng ,  YOSHIDA, Hiroshi ,  SAWADA, Hiroki

IPC分类号： B60L11/18 ,  H02J7/34 ,  B60L11/12 ,  H02M1/36 ,  B60K6/48 ,  B60K1/02 ,  B60L11/14 ,  H02H9/00 ,  B60K6/26 ,  B60K6/365 ,  B60L3/00 ,  H02M1/00

CPC分类号： H02M1/36 ,  B60K1/02 ,  B60K6/26 ,  B60K6/365 ,  B60K6/48 ,  B60L3/0046 ,  B60L11/123 ,  B60L11/14 ,  B60L2210/40 ,  B60L2270/20 ,  H02H9/001 ,  H02J7/345 ,  H02M2001/007 ,  Y02T10/6217 ,  Y02T10/6221 ,  Y02T10/7005 ,  Y02T10/7022 ,  Y02T10/7077 ,  Y02T10/7241

摘要： A power supply apparatus for a vehicle (100) includes first and second batteries (BA, BB), a power supply line (PL2), first and second boost converters (12A, 12B), a system main relay (SMR4), a capacitor (C2), and a control device (30) controlling the first and second boost converters (12A, 12B) and a connecting portion. Upon receiving a startup instruction IGON, the control device (30) controls the first boost converter (12A) such that a feeding node capacitor (CH) is charged from the first battery (BA), and controls the second boost converter (12B) such that the capacitor (C2) is charged from the power supply line (PL2). After the charging of the capacitor (C2) is completed, the control device (30) switches the system main relay (SMR4) from a disconnected state to a connected state.

公开(公告)号：EP3163702A4

公开(公告)日：2017-11-29

申请号：EP15824464

申请日：2015-07-08

申请人： HUAWEI TECH CO LTD

发明人： LIU KELEI

IPC分类号： H02H7/122 ,  H02H3/08 ,  H02H9/00

CPC分类号： H02M1/32 ,  H02H3/08 ,  H02H7/122 ,  H02H9/001 ,  H02M1/08 ,  H02M7/537 ,  H02M2001/0009

摘要： An overcurrent protection system and method for an inverter circuit are provided. The overcurrent protection system includes: an inductor current detection circuit (1), configured to detect an inductor current in the inverter circuit, to obtain an inductor current detection value; a pulse-by-pulse current limit enable signal generation circuit (2), connected to the inductor current detection circuit, and configured to: reduce a current limit threshold according to an instant-feeding load impact signal, compare a current limit threshold obtained after reduction processing with a voltage value corresponding to the inductor current detection value, and if it is determined that the voltage value corresponding to the inductor current detection value reaches the current limit threshold, output a pulse-by-pulse current limit enable signal; a control circuit (3), connected to the pulse-by-pulse current limit enable signal generation circuit, and configured to perform turn-off control on a switching transistor in the inverter circuit according to the pulse-by-pulse current limit enable signal; and a first instant-feeding load impact signal generation circuit (4), connected to the pulse-by-pulse current limit enable signal generation circuit, and configured to: detect an inductor voltage in the inverter circuit, to obtain an inductor voltage detection value, and if it is determined that the inductor voltage detection value reaches a preset voltage threshold, generate an instant-feeding load impact signal. The overcurrent protection system implements current limiting protection for the switching transistor in advance by reducing the current limit threshold, thereby preventing damage to the switching transistor that is caused by overcurrent when the switching transistor is actually turned off. Reliability of current limiting protection for the switching transistor can be improved.

公开(公告)号：EP3163702A1

公开(公告)日：2017-05-03

申请号：EP15824464

申请日：2015-07-08

申请人： HUAWEI TECH CO LTD

发明人： LIU KELEI

IPC分类号： H02H7/122

CPC分类号： H02M1/32 ,  H02H3/08 ,  H02H7/122 ,  H02H9/001 ,  H02M1/08 ,  H02M7/537 ,  H02M2001/0009

摘要： An overcurrent protection system and method for an inverter circuit are provided. The overcurrent protection system includes: an inductor current detection circuit (1), configured to detect an inductor current in the inverter circuit, to obtain an inductor current detection value; a pulse-by-pulse current limit enable signal generation circuit (2), connected to the inductor current detection circuit, and configured to: reduce a current limit threshold according to an instant-feeding load impact signal, compare a current limit threshold obtained after reduction processing with a voltage value corresponding to the inductor current detection value, and if it is determined that the voltage value corresponding to the inductor current detection value reaches the current limit threshold, output a pulse-by-pulse current limit enable signal; a control circuit (3), connected to the pulse-by-pulse current limit enable signal generation circuit, and configured to perform turn-off control on a switching transistor in the inverter circuit according to the pulse-by-pulse current limit enable signal; and a first instant-feeding load impact signal generation circuit (4), connected to the pulse-by-pulse current limit enable signal generation circuit, and configured to: detect an inductor voltage in the inverter circuit, to obtain an inductor voltage detection value, and if it is determined that the inductor voltage detection value reaches a preset voltage threshold, generate an instant-feeding load impact signal. The overcurrent protection system implements current limiting protection for the switching transistor in advance by reducing the current limit threshold, thereby preventing damage to the switching transistor that is caused by overcurrent when the switching transistor is actually turned off. Reliability of current limiting protection for the switching transistor can be improved.

摘要翻译： 提供了用于逆变器电路的过电流保护系统和方法。 所述过电流保护系统包括：电感电流检测电路（1），用于检测所述逆变电路中的电感电流，获得电感电流检测值; 逐脉冲限流使能信号产生电路，与所述电感电流检测电路连接，用于根据瞬时馈电负载冲击信号降低限流门限，比较所述限流门限后获得的限流门限 用与电感器电流检测值对应的电压值进行降压处理，并且如果确定对应于电感器电流检测值的电压值达到电流极限阈值，则输出逐脉冲电流限制使能信号; 控制电路（3），与所述逐脉冲电流限制使能信号生成电路连接，并且被配置为根据所述逐脉冲电流限制使能信号对所述逆变器电路中的开关晶体管进行断开控制 ; 以及第一瞬时馈电负载冲击信号产生电路（4），连接到所述逐脉冲限流使能信号产生电路，并被配置为：检测所述倒相电路中的电感器电压，以获得电感器电压检测值 并且如果确定电感器电压检测值达到预设电压阈值，则生成瞬时馈送负载影响信号。 过流保护系统通过降低限流门限预先对开关晶体管进行限流保护，防止开关晶体管实际关断时过流导致的开关晶体管损坏。 可以提高开关晶体管限流保护的可靠性。

公开(公告)号：EP3120434A1

公开(公告)日：2017-01-25

申请号：EP15720806.7

申请日：2015-03-03

申请人： Meta System S.p.A.

发明人： LASAGNI, Cesare

IPC分类号： H02H3/20 ,  H02M1/42 ,  H02H7/18 ,  H02J7/02

CPC分类号： H02J7/0029 ,  B60L11/1811 ,  H02H3/20 ,  H02H7/18 ,  H02H9/001 ,  H02H9/041 ,  H02J5/00 ,  H02J7/0052 ,  H02J7/02 ,  H02J2007/0059 ,  H02M1/32 ,  H02M1/4225 ,  Y02B70/126 ,  Y02T90/127

摘要： The power supply stage (A) of an electric appliance, in particular battery chargers for charging batteries of electric vehicles or the like, comprises a power factor correction circuit (PFC), and overvoltage protection means equipped with: - a switch (SW1) connected in series with a smoothing capacitor (C) of the power factor correction circuit (PFC); - a control circuit (VD 1 ) of the input voltage of the power supply stage (A) operatively connected to the switch (SW1).

摘要翻译： 的电气设备的电源级（A），在特定的电池充电器充电的电动汽车或类似物的电池，包括一个功率因数校正电路（PFC），和过电压保护装置配有： - 一个开关（SW1），其连接 在具有平滑电容器的功率因数校正电路的（C）（PFC）系列; - 可操作地连接到开关（SW1）的电源级（A）的输入电压的控制电路（VD 1）。

公开(公告)号：EP3116080A1

公开(公告)日：2017-01-11

申请号：EP15175820.8

申请日：2015-07-08

申请人： Vestel Elektronik Sanayi ve Ticaret A.S.

发明人： Kirisken, Barbaros ,  Yatir, Mustafa

IPC分类号： H02H7/12 ,  H02M1/00 ,  H02H9/00

CPC分类号： H02H9/001 ,  H02H7/1213 ,  H02M1/36 ,  H02M7/125

摘要： The invention relates to a limiter circuit adapted for use in a power supply (1) and to the use of the limiter circuit in at least one of the following applications: television, set-top-box, laptop, notebook and personal computer. The limiter circuit comprises: a reed switch (2) connectable to an input of mains (3) at a first end and connectable in series with a wound element (6, 7, 11, 12) at a second end, wherein the reed switch (2) is configured to be in a first position with a normally open contact when no inrush current is provided, and a first plurality of inrush limiting elements (5) adapted for limiting the inrush current, wherein each inrush limiting element is connected in series to an adjacent one of the inrush limiting elements (5), wherein the first plurality of inrush limiting elements (5) is connected in parallel to the reed switch (2). In this way, a limiter circuit is provided which is highly efficient, merely needs a minimum number of elements and also is highly cost-effective.

摘要翻译： 本发明涉及适于在电源（1）中使用的限幅器电路以及在以下至少一个应用中使用限幅器电路：电视机，机顶盒，笔记本电脑，笔记本电脑和个人计算机。 所述限幅器电路包括：舌簧开关（2），其在第一端处可连接到电源（3）的输入端，并且在第二端与可绕组元件（6,7,11,12）串联连接，其中所述簧片开关 （2）被配置为在没有提供浪涌电流时处于具有常开触点的第一位置以及适于限制浪涌电流的第一多个浪涌限制元件（5），其中每个浪涌限制元件串联连接 到所述浪涌限制元件（5）中的相邻的一个，其中所述第一多个浪涌限制元件（5）并联连接到所述舌簧开关（2）。 以这种方式，提供了高效率的限幅器电路，仅需要最少数量的元件，并且还具有高性价比。