公开(公告)号：US20150108090A1

公开(公告)日：2015-04-23

申请号：US14404286

申请日：2013-05-29

Applicant: ALSTOM Technology Ltd.

Inventor： Colin Donald Murray Oates ,  Colin Charnock Davidson ,  Alistair Burnett

IPC: H01H33/12 ,  H01H33/66

CPC classification number: H01H33/12 ,  H01H33/596 ,  H01H33/66 ,  H02H3/087

Abstract: A circuit breaker apparatus (32) comprises one module (30) or a plurality of series-connected modules (30), the or each module (30) including: first and second conduction paths (34, 36); and first and second terminals (38, 40) for connection to an electrical network (42), each conduction path (34, 36) extending between the first and second terminals (38, 40); the first conduction path (34) including a first vacuum switching element (52) to selectively close to allow current to flow between the first and second terminals (38, 40) through the first conduction path (34) in a first mode of operation, or open to block current from flowing between the first and second terminals (38, 40) through the first conduction path (34) in a second mode of operation; the second conduction path (36) including a second vacuum switching element (56) to selectively open to block current from flowing between the first and second terminals (38, 40) through the second conduction path (36) in the first mode of operation, or close to allow current to flow between the first and second terminals (38,40) through the second conduction path (36) in the second mode of operation, wherein the first and second vacuum switching elements (34, 36) define a break-before-make switching arrangement; the second conduction path (36) further including a primary energy storage device (74) to oppose current flowing between the first and second terminals (38, 40) through the second conduction path (36) in the second mode of operation; and the or each module (30) further including a commutation circuit (72) to establish a resonant current in the first vacuum switching element to quench an arc current appearing across the first vacuum switching element (52) in the second mode of operation.

Abstract translation: 断路器装置（32）包括一个模块（30）或多个串联模块（30），所述模块（30）包括：第一和第二导电路径（34,36）; 以及用于连接到电网（42）的第一和第二端子（38,40），在所述第一和第二端子（38,40）之间延伸的每个导电路径（34,36）。 所述第一传导路径（34）包括第一真空开关元件（52），以在第一操作模式中选择性地接近以允许电流通过所述第一导电路径（34）在所述第一和第二端子（38,40）之间流动， 或者以第二操作模式通过第一导电路径（34）在第一和第二端子（38,40）之间开路以阻止电流流动; 所述第二传导路径（36）包括第二真空开关元件（56），以在所述第一操作模式中选择性地打开以阻止电流在所述第一和第二端子（38,40）之间流过所述第二导电路径（36） 或接近以允许电流在第二操作模式中通过第二传导路径（36,40）在第一和第二端子（38,40）之间流动，其中第一和第二真空开关元件（34,36） 前置切换布置; 所述第二传导路径（36）还包括在所述第二操作模式中通过所述第二传导路径（36）与在所述第一和第二端子（38,40）之间流动的电流的一次能量存储装置（74） 并且所述或每个模块（30）还包括换向电路（72），以在所述第一真空开关元件中建立谐振电流，以在所述第二操作模式中淬灭出现在所述第一真空开关元件（52）两端的电弧电流。

公开(公告)号：US20150155090A1

公开(公告)日：2015-06-04

申请号：US14409398

申请日：2013-07-03

Applicant: ALSTOM Technology Ltd

Inventor： Alistair Burnett ,  Robert Riley

IPC: H01F27/28

CPC classification number: H01F27/2804 ,  H01F27/288 ,  H01F27/32 ,  H01F2027/2809 ,  H01F2027/2819

Abstract: A transformer (30) comprises: first and second printed circuit board substrates, the first printed circuit board substrate (32) including at least one first substrate layer (34) having a dielectric relative permittivity of less than or equal to 3.5 and the second printed circuit board substrate including at least one second substrate layer (70) having a dielectric relative permittivity that is higher than the dielectric relative permittivity of the or each first substrate layer (34); and a plurality of electrically conductive traces, at least one electrically conductive trace being patterned on a surface of the first substrate layer (34) or one of the first substrate layers (34) to form a second winding portion (52) and at least one other electrically conductive trace being patterned on a surface of the second substrate layer (70) or one of the second substrate layers (70) to form a first winding portion (50), the first and second winding portions (50,52) defining mutually coupled first and second windings, wherein the first winding is formed by one or more first winding portions (50), the second winding is formed by one or more second winding portions (52), the second winding is formed on the first substrate layer (34) or at least one of the first substrate layers (34), and the first winding is formed on the second substrate layer (70) or at least one of the second substrate layers (70).

Abstract translation: 变压器（30）包括：第一和第二印刷电路板基板，第一印刷电路板基板（32）包括至少一个介电相对介电常数小于或等于3.5的第一基板层（34）和第二印刷电路板 电路板基板，包括至少一个第二基板层（70），该第二基板层具有高于或每个第一基板层（34）的介电相对介电常数的介电相对介电常数; 和多个导电迹线，至少一个导电迹线被图案化在第一基底层（34）的表面上或者第一基底层（34）中的一个上以形成第二缠绕部分（52），并且至少一个 其它导电迹线被图案化在第二基底层（70）或第二基底层（70）中的一个的表面上以形成第一缠绕部分（50），第一和第二缠绕部分（50,52） 第一绕组由一个或多个第一绕组部分（50）形成，第二绕组由一个或多个第二绕组部分（52）形成，第二绕组形成在第一基片层上 34）或第一衬底层（34）中的至少一个，并且第一绕组形成在第二衬底层（70）或第二衬底层（70）中的至少一个上。