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    • 5. 发明申请
    • HYBRID THREE-LEVEL NPC THYRISTOR CONVERTER WITH CHAIN-LINK STRINGS AS INNER AC SWITCHES
    • 混合三电平转换器作为内部交流开关链链
    • WO2015142324A1
    • 2015-09-24
    • PCT/US2014/031178
    • 2014-03-19
    • GENERAL ELECTRIC COMPANY
    • ZHANG, DiGARCES, Luis, JoseROCKHILL, Andrew, Allen
    • H02M7/487H02M7/515H02M7/757
    • H02M1/083H02M7/1557H02M7/217H02M7/487H02M7/5152H02M7/525H02M7/539H02M7/7575H02M2007/4835Y02E60/60
    • A method for power conversion includes coupling a first string (302) to a second string (304) via a first connecting node (310) and a second connecting node (312) to form at least one leg (301, 303, 305) of a power converter (104, 300). The first string (302) is operatively coupled across a first bus (306) and a second bus (308) and comprises a first branch (314) and a second branch (316) coupled via a third connecting node (318). The first branch (314) and the second branch (316) include a plurality of controllable semiconductor switches (330). Furthermore, the second string (304) comprises a first chain link (320) and a second chain link (322) coupled via an alternating current phase bus (326) and includes a plurality of switching units (334). The first chain link (320) and/or the second chain link (322) are controlled to generate a negative voltage across at least one of the plurality of controllable semiconductor switches (330) during a switch turn off process.
    • 一种用于功率转换的方法包括经由第一连接节点(310)和第二连接节点(312)将第一串(302)耦合到第二串(304),以形成至少一个腿(301,303,305) 功率转换器(104,300)。 第一串(302)跨第一总线(306)和第二总线(308)可操作地耦合,并且包括经由第三连接节点(318)耦合的第一分支(314)和第二分支(316)。 第一分支(314)和第二分支(316)包括多个可控半导体开关(330)。 此外,第二串(304)包括通过交流电流相位母线(326)耦合并且包括多个开关单元(334)的第一链节(320)和第二链节(322)。 控制第一链节(320)和/或第二链节(322)以在切换关闭过程期间在多个可控半导体开关(330)中的至少一个上产生负电压。
    • 7. 发明申请
    • METHOD OF CONTROLLING OPERATION OF AN INTERFACE ARRANGEMENT IN A POWER TRANSMISSION SYSTEM
    • 控制电力传输系统中接口布置操作的方法
    • WO2017028890A1
    • 2017-02-23
    • PCT/EP2015/068830
    • 2015-08-17
    • ABB SCHWEIZ AG
    • BARUPATI, Praveen KumarSUBRAMANIAN, SasitharanJALDANKI, SivaprasadMUKHERJEE, Subhasish
    • H02M1/42H02M7/521H02M7/525H02M7/483
    • H02M1/42H02M7/521H02M7/525H02M2007/4835Y02B70/12
    • A control and processing module (170) and a method of controlling operation of a thyristor-based interface arrangement (100) configured to electrically couple an Alternating Current (AC) power system (110) with a Direct Current (DC) power system (120), and to convert DC power to AC power, or vice versa, are disclosed. The interface arrangement (100) comprises a plurality of converter valves (131-136, 141-143), each comprising at least one thyristor (T 1x , T 1y ; T 2x , T 2y ;...; T 9x , T 9y ), and a plurality of multi-level converter cells (WS1, WS2). By means of controlling the firing angle of the at least one thyristor (T 1x , T 1y ; T 2x , T 2y ;...; T 9x , T 9y ) of each converter valve (131-136, 141-143), shape and amplitude of any voltage contribution to the AC waveform provided by the plurality of multi-level converter cells (WS1, WS2) may be adjusted, and so that reactive power exchange between the interface arrangement (100) and the AC power system (110) may be controlled. A system comprising the interface arrangement (100) and the control and processing module (170) is also disclosed.
    • 控制和处理模块(170)以及控制基于晶闸管的界面布置(100)的操作的方法,所述控制和处理模块(170)被配置为将交流电(AC)电力系统(110)与直流(DC)电力系统 ),并且将DC电力转换成AC电力,反之亦然。 接口装置(100)包括多个转换器阀(131-136,141-143),每个转换阀包括至少一个晶闸管(T1x,T1y; T2x,T2y; ...; T9x,T9y)和多个 多级转换器单元(WS1,WS2)。 通过控制每个转换阀(131-136,141-143)的至少一个晶闸管(T1x,T1y; T2x,T2y; ...; T9x,T9y)的触发角,任何电压的形状和振幅 可以调整对由多个多电平转换器单元(WS1,WS2)提供的AC波形的贡献,从而可以控制接口装置(100)和AC电力系统(110)之间的无功功率交换。 还公开了包括接口装置(100)和控制和处理模块(170)的系统。
    • 8. 发明申请
    • VOLTAGE SOURCE CONVERTER AND ASSOCIATED METHOD
    • 电压源转换器及相关方法
    • WO2016037666A1
    • 2016-03-17
    • PCT/EP2014/069532
    • 2014-09-12
    • ABB TECHNOLOGY LTD
    • SUBRAMANIAN, SasitharanMAITI, Suman
    • H02M7/487H02M7/49H02M7/48
    • H02M7/487H02M1/12H02M1/15H02M1/32H02M7/1626H02M7/19H02M7/49H02M7/5152H02M7/525H02M2001/0074H02M2007/4835
    • It is presented a voltage source converter comprising a first converter device. The first converter device comprises: a plurality of director valves, wherein each director valve comprises two anti-parallel thyristors provided in a bridge for switching between two states, the bridge being provided in at least one phase leg connected to two a first pair of direct current poles and comprising a midpoint connected to an alternating current, AC, terminal; and at least one commutation cell connected to a respective one of the at least one phase leg, wherein the commutation cell is controllable to reverse-bias a thyristor of at least one director valve of a connected phase leg when the thyristor is to stop conducting current. By providing anti-parallel thyristors in the director valves, greater control is possible. For instance the current between the DC poles can be turned off using the director valves.
    • 提供一种包括第一转换器装置的电压源转换器。 第一转换器装置包括:多个导向阀,其中每个导向阀包括设置在桥中的两个反并联晶闸管,用于在两个状态之间切换,所述桥设置在至少一个相位支路中,该相位支路连接到两个第一对直接 电流极并且包括连接到交流电,AC端的中点; 以及连接到所述至少一个相支路中的相应一个的至少一个换向单元,其中当所述晶闸管停止导通电流时,所述换向单元可控制以对所连接的相支路的至少一个导向阀的晶闸管进行反向偏置 。 通过在导向阀中提供反并联晶闸管,可以进行更大的控制。 例如,可以使用导向阀关闭直流电极之间的电流。
    • 9. 发明申请
    • A DEVICE FOR CONTROLLING ELECTRIC POWER
    • 一种用于控制电力的装置
    • WO00017990A1
    • 2000-03-30
    • PCT/SE1999/001414
    • 1999-08-20
    • H02M1/14H02M7/525H02M1/12
    • H02M7/525H02M1/14
    • In a device for transmitting electric power between a direct voltage side (1) and an alternating side (2) of a converter (3) means (34-36) are adapted to detect a component possibly occurring in an electric quantity and having a frequency substantially corresponding to the frequency of the alternating voltage on the alternating voltage side of the converter on the direct voltage side of the converter and through the phase position of the component determined from which phase leg of the converter it comes and send this information to an arrangement (24) controlling the different power semiconductor members (19) of the converter and being designed to adapt the control so as to eliminate said electric component on the direct voltage side.
    • 在用于在转换器(3)的直流电压侧(1)和交流侧(2)之间传输电力的装置中,装置(34-36)适于检测可能出现在电量中并且具有频率 基本上对应于转换器的直流电压侧的转换器的交流电压侧的交流电压的频率,并且通过从转换器的哪个相位段确定的分量的相位位置发送该信息到一个布置 (24)控制所述转换器的不同功率半导体部件(19),并被设计成适应所述控制以消除所述直流电压侧上的所述电气部件。
    • 10. 发明申请
    • POWER CONVERSION CIRCUIT
    • 电源转换电路
    • WO1983000961A1
    • 1983-03-17
    • PCT/GB1982000261
    • 1982-08-31
    • TASC DRIVES LIMITEDRAY, William, FrederickDAVIS, Rex, Mountford
    • TASC DRIVES LIMITED
    • H02M07/515
    • H02M7/525H02M7/5155H02M2007/4811H02P25/0925Y10T307/352Y10T307/43Y10T307/461
    • Agencement permettant d'alimenter un moteur multiphasé à reluctance commutée à partir d'une alimentation de tension continue à deux points (11) dans lequel des condensateurs (12 et 13) sont disposés aux bornes de l'alimentation, leurs points communs (14) constituant un troisième point d'alimentation. Les enroulements de charge (W1, W3, W5 et W2, W4, W6) sont connectés à deux circuits de charge différents reliés aux bornes des différents condensateurs, et des agencements comprenant les diodes (D1-D6) sont prévus pour permettre à un enroulement de renvoyer l'énergie à l'alimentation lorsqu'elle n'est pas utilisée pour produire un couple d'entraînement. Afin d'empêcher toute excursion de la tension du troisième point à cause des différences entre les courants dans les deux circuits de charge, des organes de mesure de tension (M3, M4, ou M5, ou N1, N2) sont prévus, qui tendent à compenser toute variation du potentiel du point commun. Des organes de commande (21) peuvent commander la distribution du courant entre les différents enroulements de charge par une commande appropriée des commutateurs à semiconducteur dans les différents circuits de charge.
    • PCT No.PCT / GB82 / 00261 Sec。 371日期:1983年4月6日 102(e)日期1983年4月6日PCT申请日1982年8月31日PCT公布。 第WO83 / 00961号公报 日期:1983年3月17日。多相开关磁阻电机由牵引点d.v驱动。 电源(12)和(13)的电源(11)跨越电源提供有构成第三电源点的公共点(14)。 负载绕组W1,W3,W5和W2,W4,W6连接在跨不同电容器连接的两个不同的负载电路中。 为了防止第三点的电压由于两个负载电路中的电流不相同而流动,控制装置(21)可以通过适当地控制半导体开关的控制来控制各种负载绕组之间的电流分布 各种负载电路。