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1. 发明公开

EP3410595A1 DISCONNECTING A SUBSEA AC/AC POWER CONVERTER CELL 审中-公开
公开(公告)号：EP3410595A1
公开(公告)日：2018-12-05
申请号：EP17173999.8
申请日：2017-06-01
申请人： ABB Schweiz AG
发明人： SCHAEFFER, David , LENDENMANN, Heinz , DAMAZIO-COELHO, Kefas , BLOCH, Richard
IPC分类号： H02M7/49
CPC分类号： H02M7/49 , H02M2001/325
摘要： It is provided an subsea AC/AC power converter cell comprising: a cell input connection; input disconnector switches connected to respective input terminals of the input connection; a cell output connection for providing output AC power of one phase; at least one output disconnector switch connected between terminals of the output connection; a rectifier stage connected between the input disconnector switches and a DC bridge; a capacitor provided at the DC bridge; a synthesis stage connected between the DC bridge and the output disconnector switches, the synthesis stage comprising a plurality of cell switches; a cell controller configured to control the cell switches to provide a sinusoidal voltage on the output connection; and at least one disconnector input for receiving a signal external from the subsea AC/AC power converter cell to control the state of each one of the input disconnector switches and the at least one output disconnector switch.

2. 发明授权

EP1927182B1 STEUERVERFAHREN ZUR REDUNDANZNUTZUNG IM STÖRUNGSFALL EINES MEHRPHASIGEN STROMRICHTERS MIT VERTEILTEN ENERGIESPEICHERN 有权
公开(公告)号：EP1927182B1
公开(公告)日：2018-10-03
申请号：EP06792641.0
申请日：2006-08-02
申请人： Siemens Aktiengesellschaft
发明人： SOMMER, Rainer , HILLER, Marc
IPC分类号： H02M7/49 , H02M1/32 , H02M7/483
CPC分类号： H02M7/49 , B60L3/003 , B60L3/0092 , B60L3/04 , B60L2240/527 , H02M2001/325 , H02M2007/4835 , Y10T307/735

3. 发明公开

EP3363092A1 METHOD AND ARRANGEMENT FOR FACILITATING CLEARING OF A POLE FAULT AND ISOLATION OF A FAULTED POLE IN A POWER TRANSMISSION SYSTEM 有权
公开(公告)号：EP3363092A1
公开(公告)日：2018-08-22
申请号：EP15778934.8
申请日：2015-10-12
申请人： ABB Schweiz AG
发明人： NYBERG, Sören , JIA, Yifan , JIANG-HÄFNER, Ying
IPC分类号： H02J3/36 , H02M1/32 , H02H7/10 , H02H7/26
CPC分类号： H02H7/1203 , H02H3/063 , H02J3/36 , H02M1/32 , H02M2001/325 , Y02E60/60
摘要： A control unit rod interface arrangement couples between AC and DC power systems. The interface includes at least two poles for coupling between the DC and AC power systems. Each of the poles includes a converter for conversion between AC and DC power. If a fault has occurred in one of the poles, a transient current, or fault current, may flow through a neutral bus line connected to the pole, the pole's converter and the location of the fault in the pole. Such a transient or fault current should preferably be damped out as quickly as possible, after which the pole may be electrically isolated from the other components of the interface arrangement. Such a transient or fault current may be damped out relatively quickly by opening of a neutral bus switching element of the neutral bus line connected to the pole after the converter has entered a blocking mode and a circuit breaker at the AC side of the converter has been opened so as to effect discontinuation of flow of current between the AC side of the converter and the AC power system.

4. 发明授权

EP2580854B1 UMRICHTER MIT SCHALTERÜBERWACHUNG 有权
公开(公告)号：EP2580854B1
公开(公告)日：2018-08-01
申请号：EP10726469.9
申请日：2010-06-11
申请人： Siemens Aktiengesellschaft
发明人： EULER, Ingo , GAMBACH, Herbert , LANG, Jörg , SCHREMMER, Frank , TU, Quoc-Buu
IPC分类号： H02M1/32 , H02M7/483
CPC分类号： H02M7/483 , H02M2001/325 , H02M2007/4835

5. 发明授权

EP3076535B1 CONVERTISSEUR DC-DC 有权
公开(公告)号：EP3076535B1
公开(公告)日：2018-06-27
申请号：EP16161749.3
申请日：2016-03-22
申请人： COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
发明人： PILLONNET, Gaël
IPC分类号： H02M1/32 , H02M3/07 , H02M7/483 , G11C5/14
CPC分类号： H02M3/07 , H02M1/32 , H02M2001/325

6. 发明公开

EP3203622A4 CHOPPER CIRCUIT CONTROL DEVICE 审中-公开
公开(公告)号：EP3203622A4
公开(公告)日：2018-06-06
申请号：EP14903040
申请日：2014-10-02
申请人： MITSUBISHI ELECTRIC CORP
发明人： TAKAGAKI KOTA , HARADA RYOTARO
IPC分类号： H02M3/155 , H02M1/00 , H02M1/08 , H02M1/32 , H02M3/156
CPC分类号： H02M3/156 , H02M1/08 , H02M1/32 , H02M3/155 , H02M2001/0022 , H02M2001/325
摘要： A range calculator (12) calculates an operation value range, which is range of an operation value for controlling a duty cycle of a chopper circuit (4) based on an input voltage and output voltage command value of the chopper circuit (4). A chopper circuit control device (1) controls the duty cycle of the chopper circuit (4) by using an upper limit value of the operation value range when an operation value is greater than or equal to the upper limit value of the operation value range, by using the operation value when the operation value is within the operation value range, and by using a lower limit value of the operation value range when the operation value is less than or equal to the lower limit value of the operation value range.

7. 发明公开

EP3232555A4 SUB-MODULE DISTRIBUTED CONTROL METHOD, DEVICE AND SYSTEM 审中-公开
公开(公告)号：EP3232555A4
公开(公告)日：2018-05-23
申请号：EP15866788
申请日：2015-10-28
申请人： NR ELECTRIC CO LTD , NR ENG CO LTD
发明人： DING JIUDONG , TIAN JIE , DONG YUNLONG , LI HAIYING , CAO DONGMING , LIU HAIBIN , LU YU
IPC分类号： H02M7/00 , H02M1/00 , H02M1/32 , H02M7/483
CPC分类号： H02M1/00 , H02M7/00 , H02M7/483 , H02M2001/0003 , H02M2001/325 , H02M2007/4835
摘要： A submodule distributed control method, device and system are provided. Submodules of each bridge arm are grouped. Each group corresponds to one valve based controller. An upper-level control device calculates a weight of each group according to a bridge arm current, an average voltage of normal submodules in each group, and the number of the normal submodules in each group; calculates, according to the number of submodules to be input in a corresponding bridge arm, the number of submodules being input in each group and delivers the number to the valve based controller. The valve based controller operates according to a voltage balancing policy and a gating method that are provided in the prior art.

8. 发明公开

EP3285388A1 ELECTRIC POWER CONVERSION DEVICE 审中-公开
标题翻译：电力转换装置
公开(公告)号：EP3285388A1
公开(公告)日：2018-02-21
申请号：EP16779905.5
申请日：2016-03-29
申请人： Mitsubishi Electric Corporation
发明人： JIMICHI, Takushi , KOYANAGI, Kimiyuki , KIKUCHI, Takeshi
IPC分类号： H02M7/497 , H02M7/48
CPC分类号： H02M7/483 , H02M1/32 , H02M7/003 , H02M7/2173 , H02M7/5388 , H02M2001/0003 , H02M2001/0054 , H02M2001/325 , H02M2007/4835
摘要： In an electric power conversion device (100) which performs power conversion between multiphase AC and DC, a first converter cell (10) of a first arm (4) for each phase of a power converter (1) is composed of: a capacitor (20); a Leg A having upper and lower arms having switching elements; and a Leg B having upper and lower arms one of which has a switching element and the other of which has only a diode, and a second converter cell (15) of a second arm (5) is composed of: a capacitor (40); and a Leg Aa having upper and lower arms having switching elements. A control device (2) has a steady mode and a protection mode. When short-circuit between DC terminals of the power converter (1) is detected, the control device (2) switches from the steady mode to the protection mode, turns off all the switching elements of the first converter cell (10) of the first arm (4), and controls the second converter cell (15) of the second arm (5) so as to perform reactive power compensation operation.
摘要翻译：在进行多相交流和直流之间的电力转换的电力转换装置（100）中，用于电力转换器（1）的每相的第一臂（4）的第一转换器单元（10）包括：电容器 20）; 具有带开关元件的上臂和下臂的腿A; 以及具有上臂和下臂的腿B，其中一个臂具有开关元件，另一个臂仅具有二极管，并且第二臂（5）的第二变换器单元（15）由以下部件构成：电容器（40） ; 以及具有上臂和下臂的具有开关元件的腿部Aa。控制装置（2）具有稳定模式和保护模式。当检测到电力转换器（1）的直流端子之间的短路时，控制装置（2）从稳定模式切换到保护模式，断开第一转换器单元（10）的所有开关元件（4），并且控制第二臂（5）的第二转换器单元（15）以执行无功功率补偿操作。

9. 发明公开

EP3282571A1 POWER CONVERTER WITH EXTENDED HOLD-UP TIME 审中-公开
标题翻译：具有延长保持时间的电力转换器
公开(公告)号：EP3282571A1
公开(公告)日：2018-02-14
申请号：EP17184171.1
申请日：2017-08-01
申请人： Schneider Electric IT Corporation
发明人： Chen, Hui-Jung , Klikic, Damir , Lee, Kuo-Liang , Chiang, Hsuang-Chang
IPC分类号： H02M3/337 , H02M7/217 , H02J7/34 , H02J9/06 , H02M1/00 , H02M1/32
CPC分类号： H02M3/33507 , H02J9/06 , H02M1/08 , H02M3/33569 , H02M3/337 , H02M3/3372 , H02M3/3376 , H02M3/3378 , H02M7/217 , H02M2001/0009 , H02M2001/0096 , H02M2001/325
摘要： According to one aspect, embodiments herein provide an AC-DC converter comprising a rectifier, a capacitor, a DC bus coupled to the capacitor, a plurality of first switches coupled to the DC bus, a plurality of second switches coupled between the rectifier and the first switches, a transformer having a primary winding and a secondary winding, the primary winding coupled to the plurality of first switches, the plurality of second switches, and the rectifier, and the secondary winding coupled to an output, and a controller configured, in response to a determination that the input AC power is acceptable, to operate the plurality of second switches and the plurality of first switches such that output DC voltage is maintained at a desired output DC voltage level, and operate the plurality of first switches such that a DC bus voltage on the DC bus is maintained at a desired DC bus voltage level.
摘要翻译：根据一个方面，本文的实施例提供了一种AC-DC转换器，其包括整流器，电容器，耦合到电容器的DC总线，耦合到DC总线的多个第一开关，耦合在整流器和第一开关;具有初级绕组和次级绕组的变压器，所述初级绕组耦合到所述多个第一开关，所述多个第二开关和所述整流器，并且所述次级绕组耦合到输出;以及控制器，响应于确定所述输入AC电力是可接受的，操作所述多个第二开关和所述多个第一开关，使得输出DC电压保持在期望的输出DC电压电平，并且操作所述多个第一开关，使得a 直流母线上的直流母线电压保持在所需的直流母线电压水平。

10. 发明公开

EP2549634A4 ELECTRIC POWER CONVERSION APPARATUS 审中-公开
公开(公告)号：EP2549634A4
公开(公告)日：2017-11-08
申请号：EP11756006
申请日：2011-02-09
申请人： HITACHI LTD
发明人： NARUSHIMA JUN , KATOH SHUJI , KATO TETSUYA , INOUE SHIGENORI
IPC分类号： H02M7/49 , H02M1/00 , H02M1/084 , H02M1/32 , H02M7/483
CPC分类号： H02M7/49 , H02M1/0845 , H02M1/32 , H02M2001/0006 , H02M2001/325 , H02M2007/4835

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