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    • 41. 发明申请
    • SEMICONDUCTOR SWITCHING STRING
    • 半导体开关STRING
    • WO2014198734A1
    • 2014-12-18
    • PCT/EP2014/062049
    • 2014-06-10
    • ALSTOM TECHNOLOGY LTD
    • DAVIDSON, Colin Charnock
    • H03K17/0814H02M1/06H02M3/18
    • H03K17/161H02M5/45H02M5/458H02M7/68H03K17/08144H03K17/105H03K17/16H03K17/66H03K17/687
    • In the field of HVDC power converters there is a need for an improved semiconductor switching string which obviates the difficulties associated with respective semiconductor switching elements exhibiting different performance characteristics and having inherent limitations in their performance. A semiconductor switching string (100), for use in a HVDC power converter, comprises a plurality of series-connected semiconductor switching assemblies (10; 70; 110). Each semiconductor switching assembly (10; 70; 110) has a main semiconductor switching element (12) that includes first and second connection terminals (14, 16) between which current flows from the first terminal (14) to the second terminal (16) when the main semiconductor switching element (12) is switched on. The main semiconductor switching element (12) also has an auxiliary semiconductor switching element (28; 72; 1 12) electrically connected between the first and second connection terminals (14, 16) thereof. Each semiconductor switching assembly (10; 70; 110) also includes a control unit (30) which is operatively connected with each auxiliary semiconductor switching element (28; 72; 112). The or each control unit (30) is configured to switch on a respective auxiliary semiconductor switching element (28; 72; 112) to selectively create an alternative current path (32; 114, 116) between the first and second connection terminals (14, 16) associated therewith whereby current is diverted to flow through the alternative current path (32; 114, 116) to reduce the voltage across the corresponding main semiconductor switching element (12). The or each control unit (30) is further configured to switch on the said respective auxiliary semiconductor switching element (28; 72; 112) when the voltage across the corresponding main semiconductor switching element (12) differs from a voltage reference derived from the voltage across all of the main semiconductor switching elements (12) in the semiconductor switching string (100).
    • 在HVDC功率转换器的领域中,需要一种改进的半导体开关串,其消除了与表现出不同性能特征的各个半导体开关元件相关联的困难并且其性能具有固有的局限性。 一种用于HVDC功率转换器的半导体开关串(100)包括多个串联连接的半导体开关组件(10; 70; 110)。 每个半导体开关组件(10; 70; 110)具有主半导体开关元件(12),其包括第一和第二连接端子(14,16),电流从第一端子(14)流到第二端子(16) 当主半导体开关元件(12)接通时。 主半导体开关元件(12)还具有电连接在其第一和第二连接端子(14,16)之间的辅助半导体开关元件(28; 72; 112)。 每个半导体开关组件(10; 70; 110)还包括与每个辅助半导体开关元件(28; 72; 112)可操作地连接的控制单元(30)。 所述或每个控制单元(30)被配置为接通相应的辅助半导体开关元件(28; 72; 112),以选择性地在第一和第二连接端子(14, 16),由此电流被转向流过替代电流路径(32; 114,116)以减小相应主半导体开关元件(12)两端的电压。 或者每个控制单元(30)还被配置为当相应的主半导体开关元件(12)两端的电压与源自电压的电压基准不同时,接通所述相应的辅助半导体开关元件(28; 72; 112) 跨越半导体开关串(100)中的所有主要半导体开关元件(12)。
    • 42. 发明申请
    • SEMICONDUCTOR SWITCHING CIRCUIT
    • 半导体开关电路
    • WO2014198730A1
    • 2014-12-18
    • PCT/EP2014/062043
    • 2014-06-10
    • ALSTOM TECHNOLOGY LTD
    • DAVIDSON, Colin Charnock
    • H03K17/0814H02M1/06H02M3/18
    • H03K17/161H02M5/45H02M5/458H02M7/68H03K17/08144H03K17/105H03K17/16H03K17/66H03K17/687
    • In the field of HVDC power converters there is a need for an improved semiconductor switching circuit which obviates the difficulties associated with respective semiconductor switching elements exhibiting different performance characteristics and having inherent limitations in their performance. A semiconductor switching circuit (70; 80; 90) comprises a main current branch (74; 92) which includes at least one main semiconductor switching element (12) and through which current flows in a first direction (D 1 ) when the or each main semiconductor switching element (12) is switched on. The semiconductor switching circuit (70; 80; 90) also includes an auxiliary current branch (76; 104) that is connected in parallel with the main current branch (74; 92). The auxiliary current branch (76; 104) includes at least one auxiliary semiconductor switching element (72) and the or each auxiliary semiconductor switching element (72) has a control unit (30) operatively connected therewith. The or each control unit (30) is configured to switch on the or each auxiliary semiconductor switching element (72) in the auxiliary current branch (76; 104) as the or each main semiconductor switching element (12) is switched on to selectively create an alternative current path (32; 108) via the auxiliary current branch (76; 104) whereby current flowing in the first direction (D 1 ) through the main current branch (74; 92) is diverted instead to flow through the alternative current path (32; 108) to reduce the rate of change of current flowing through the or each main semiconductor switching element (12) immediately after the or each said main semiconductor switching element (12) is switched on.
    • 在HVDC功率转换器的领域中,需要一种改进的半导体开关电路,其消除了与表现出不同性能特征的各个半导体开关元件相关联的困难并且其性能具有固有的局限性。 半导体开关电路(70; 80; 90)包括主电流分支(74; 92),其包括至少一个主半导体开关元件(12),并且当主或半主开 半导体开关元件(12)接通。 半导体开关电路(70; 80; 90)还包括与主电流分支(74; 92)并联连接的辅助电流分支(76; 104)。 辅助电流分支(76; 104)包括至少一个辅助半导体开关元件(72),并且所述或每个辅助半导体开关元件(72)具有与其可操作地连接的控制单元(30)。 所述或每个控制单元(30)被配置为当所述或每个主半导体开关元件(12)被接通时,在所述辅助电流支路(76; 104)中接通或辅助半导体开关元件(72),以选择性地产生 经由辅助电流分支(76; 104)的替代电流路径(32; 108),由此通过主电流分支(74; 92)沿第一方向(D1)流动的电流被转向以流过替代电流路径( 32; 108),以便在所述主半导体开关元件(12)接通之后立即降低流经所述主要半导体开关元件(12)的电流的变化率。
    • 43. 发明申请
    • AUTOMATIC BIPOLAR SIGNAL SWITCHING
    • 自动双极信号切换
    • WO2014120398A1
    • 2014-08-07
    • PCT/US2014/010640
    • 2014-01-08
    • GENERAL ELECTRIC COMPANY
    • ABAWI, Daniel, ZahiROYLANCE, James, Merrill
    • G01D3/024H03K5/08
    • H03K17/16G01D3/024H03K5/082H03K17/161
    • A system is provided that includes an input node (2) configured to receive a signal (20) indicative of sensor data (fig. 1: 16). The system also includes a first transistor (48) configured to route the signal (20) to a positive channel (66) when a polarity of the signal is positive. Moreover, the system includes a second transistor (46) configured to route the signal to a negative channel (49) when a polarity of the signal (20) is negative. Additionally, the system includes the positive channel (34) coupled to the first transistor configured to route the signal to an analysis component (fig. 1: 24). Furthermore, the system includes the negative channel (49) coupled to the second transistor (46) and configured to route the signal to the analysis component (fig. 1: 24).
    • 提供了一种系统,其包括被配置为接收指示传感器数据的信号(20)的输入节点(2)(图1:16)。 该系统还包括当信号的极性为正时被配置为将信号(20)路由到正通道(66)的第一晶体管(48)。 此外,该系统包括第二晶体管(46),其被配置为当信号(20)的极性为负极时将信号路由到负通道(49)。 另外,该系统包括耦合到第一晶体管的正通道(34),其被配置为将信号路由到分析部件(图1:24)。 此外,该系统包括耦合到第二晶体管(46)并被配置为将信号路由到分析部件的负通道(49)(图1:24)。
    • 46. 发明申请
    • 終端回路、半導体装置および試験システム
    • 终端电路,半导体器件和测试系统
    • WO2012123990A1
    • 2012-09-20
    • PCT/JP2011/001540
    • 2011-03-16
    • 富士通株式会社鈴木俊秀川野陽一
    • 鈴木俊秀川野陽一
    • H03H11/28G01R31/28H03H7/38H03K19/0175H04B1/04H04B3/02
    • G01R31/3183G01R31/2822H03F1/56H03F2200/387H03H11/30H03K17/161H04B1/0458H04L25/0278H04L25/0298
    •  終端回路は、pMOSトランジスタ、インダクタおよびキャパシタを含んでいる。pMOSトランジスタは、伝送信号を出力または入力する信号端子にソースが接続され、ドレインが接地線に接続され、ゲートで制御信号を受け、特性インピーダンスの整合機能を有効にするときにオンされ、整合機能を無効にするときにオフされる。インダクタおよびキャパシタは、特性インピーダンスを整合するために、信号端子に接続される。pMOSトランジスタを制御信号によりオンまたはオフすることで、終端回路による特性インピーダンスの整合機能を有効または無効に切り替えできる。これにより、例えば、外付けの終端抵抗を接続することなく、終端抵抗が付いた状態を実現でき、伝送信号の出力端子での信号レベルをモニタすることが可能になる。
    • 端子电路包括pMOS晶体管,电感器和电容器。 pMOS晶体管的源极连接到输出或作为输入接收发送信号的信号端子,其漏极连接到地线,并且与栅极接收控制信号。 当整流功能无效时,当整流特性阻抗的功能有效时,pMOS晶体管导通。 电感器和电容器连接到信号端子,以便整流特性阻抗。 通过控制信号来打开或关闭pMOS晶体管可以将端子电路的特性阻抗整流功能切换到有源或无效。 因此,例如可以实现终端电阻器就位的状态,并且在不连接外部端子电阻的情况下监视输出端子处的发送信号的信号电平。
    • 48. 发明申请
    • TRANSMISSION CHANNEL, IN PARTICULAR FOR ULTRASOUND APPLICATIONS
    • 传输通道,特别是超声波应用
    • WO2011088853A1
    • 2011-07-28
    • PCT/EP2010/005927
    • 2010-09-29
    • STMICROELECTRONICS S.R.L.ROSSI, SandroRICOTTI, GiulioGHISU Davide UgoRICCIARDO, Antonio
    • ROSSI, SandroRICOTTI, GiulioGHISU Davide UgoRICCIARDO, Antonio
    • H03K17/06H03K17/687H03K17/74B06B1/02H03K17/0416H03K17/16
    • H03K17/06H03K17/04163H03K17/161H03K17/6872H03K17/74
    • A transmission channel (1) is described comprising at least one high voltage buffer block (4) comprising buffer transistors (MB1, MB2, MB3, MB4) and respective buffer diodes (DB1, DB2, DB3, DB4), being inserted between respective voltage references (HVP0, HVP1, HVM0, HVM1), a clamping circuit (10) being connected to a first output terminal (HVout) of the transmission channel (1), an antinoise block (6) being connected between the first output terminal (HVout) and a connection terminal (Xdcr) of the transmission channel (1); as well as a switching circuit (30) being inserted between the connection terminal (Xdcr) and a second output terminal (LVout) of the transmission channel (1). Advantageously according to the invention, the clamping circuit (10) comprises a clamping core (11), a reset circuit (20) comprising diodes (DME1, DME2, DME3, DME4 ) inserted between circuit nodes (XME1, XME2, XME3, XME4, XC1, XC2) of the high voltage buffer block (4) and of the clamping circuit (10), the circuit nodes (XME1, XME2, XME3, XME4, XC1, XC2 ) being in correspondance with conduction terminals of said transistors (MB1,MB2,MB3,MB4,MC1,MC2) comprised into the high voltage buffer block(4) and into the clamping circuit (10), and a switching circuit (30).
    • 描述了传输通道(1),其包括至少一个包括缓冲晶体管(MB1,MB2,MB3,MB4)和相应的缓冲二极管(DB1,DB2,DB3,DB4)的高压缓冲块(4) 参考(HVP0,HVP1,HVM0,HVM1),与传输通道(1)的第一输出端子(HVout)连接的钳位电路(10),连接在第一输出端子 )和传输信道(1)的连接终端(Xdcr); 以及插入在传输通道(1)的连接端子(Xdcr)和第二输出端子(LVout)之间的开关电路(30)。 有利地,根据本发明,夹紧电路(10)包括夹紧芯(11),复位电路(20),其包括插入在电路节点(XME1,XME2,XME3,XME4,XME3,DME3, 高电压缓冲块(4)和钳位电路(10)的电路节点(XME1,XME2,XME3,XME4,XC1,XC2)与所述晶体管(MB1,XC1,XC2)的导通端子相对应, MB2,MB3,MB4,MC1,MC2)以及开关电路(30),其特征在于,包括高压缓冲块(4)和钳位电路(10)。