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公开(公告)号：US09490693B2
公开(公告)日：2016-11-08
申请号：US14685246
申请日：2015-04-13
Applicant: ALSTOM Technology Ltd.
Inventor： David Trainer , Colin Charnock Davidson , Nnamdi Okaeme
IPC: H02M7/757 , H02H7/26 , H02M5/458 , H02M5/45 , H02M1/42 , H02J3/36 , H02M7/483 , G05F1/70 , H02M7/04
CPC classification number: H02M1/4208 , G05F1/70 , H02J3/36 , H02M7/04 , H02M7/483 , H02M2007/4835 , Y02E60/60 , Y10T307/50
Abstract: A power electronic converter for use in high voltage direct current power transmission and reactive power compensation comprises a plurality of switching elements interconnecting in use a DC network and one or more AC networks, the plurality of switching elements being controllable in use to facilitate power conversion between the AC and DC networks, wherein in use, the plurality of switching elements are controllable to form one or more short circuits within the power electronic converter so as to define one or more primary current flow paths, the or each primary current flow path including a respective one of the AC networks and the power electronic converter and bypassing the DC network.
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公开(公告)号：US09344010B2
公开(公告)日：2016-05-17
申请号：US14385967
申请日：2013-03-20
Applicant: ALSTOM Technology Ltd , David Reginald Trainer , Nnamdi Okaeme
Inventor： David Reginald Trainer , Nnamdi Okaeme
CPC classification number: H02M7/797 , H02M7/219 , H02M2007/4835 , Y02E60/60
Abstract: A power electronic converter (30), for connecting AC and DC networks (46,44) and transferring power therebetween, comprises: first and second DC terminals (32,34) defining a DC link for connection to a DC network (44); wherein, in use, the DC link has a reversible DC link voltage applied thereacross; at least one converter limb (36) extending between the first and second DC terminals (32,34) and having first and second limb portions (38,40) separated by an AC terminal (42) for connection to an AC network (46), each limb portion (38,40) including at least one rationalized module (52) having first and second sets of series-connected current flow control elements (54) connected in parallel with at least one energy storage device (56), each set of current flow control elements (54) including a primary active switching element to selectively direct current through the energy storage device (56) and a primary passive current check element to limit current flow through the rationalized module (52) to a single direction, the current flow control elements (54) and the or each energy storage device (56) combining to selectively provide a voltage source to synthesize an AC voltage at the AC terminal (42); and a first controller (60) to selectively switch the or each rationalized module (52) in each limb portion (38,40) to control the configuration of the AC voltage at the corresponding AC terminal (42) so as to transfer power from the AC network (46) to the DC network (44) in an AC to DC power transfer mode and to transfer power from the DC network (44) to the AC network (46) in a DC to AC power transfer mode, wherein each limb portion (38,40) includes: one or more secondary passive current check elements (48) to limit current flow through the corresponding limb portion (38,40) to a single direction between the corresponding AC and DC terminals (42,32,34), the or each secondary passive current check element (48) being connected in series with the or each rationalized module (52); or one or more secondary active switching elements that is connected in series with the or each rationalized module (52).
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Patent Agency Ranking
公开(公告)号：US20150035364A1
公开(公告)日：2015-02-05
申请号：US14382291
申请日：2012-12-28
Applicant: ALSTOM Technology Ltd
Inventor： Colin Charnock Davidson , Kevin J. Dyke , Jose Maneiro , David Reginald Trainer , Nnamdi Okaeme
IPC: H02J4/00
CPC classification number: H02J1/02 , H02H3/16 , H02H7/268 , H02H9/041 , H02J3/36 , H02J4/00 , H02J2003/365 , H02M1/32 , H02M2007/4835 , Y02E60/60 , Y10T307/445
Abstract: A control circuit (20) comprising: first and second terminals (22,24) for respective connection to first and second power transmission lines (26,28); a current transmission path extending between the first and second terminals (22,24) and having first and second current transmission path portions (30,32) separated by a third terminal (34), either or both of the first and second current transmission path portions (30,32) including at least one module (36), the or each module (36) including at least one energy storage device; an auxiliary terminal (42) for connection to ground or the second power transmission line (28); an energy conversion block for removing energy from the power transmission lines (26,28), the energy conversion block extending between the third and auxiliary terminals (34,42) such that the energy conversion block branches from the current transmission path, the energy conversion block including at least one energy conversion element (44); and a control unit (46) which selectively removes the or each energy storage device from the current transmission path.
Abstract translation: 一种控制电路（20），包括：第一和第二端子（22,24），用于分别连接到第一和第二输电线路（26,28）; 在第一和第二端子（22,24）之间延伸并且具有由第三端子（34）分开的第一和第二电流传输路径部分（30,32）的电流传输路径，第一和第二电流传输路径 包括至少一个模块（36）的部分（30,32），所述或每个模块（36）包括至少一个能量存储装置; 用于连接到地面的辅助端子（42）或第二输电线路（28）; 用于从所述输电线路（26,28）去除能量的能量转换模块，所述能量转换模块在所述第三和辅助端子（34,42）之间延伸，使得所述能量转换模块从所述当前传输路径分支，所述能量转换 块，包括至少一个能量转换元件（44）; 以及控制单元（46），其选择性地从当前传输路径移除或每个能量存储装置。
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公开(公告)号：US20150028826A1
公开(公告)日：2015-01-29
申请号：US14356882
申请日：2011-11-07
Applicant: ALSTOM Technology Ltd.
Inventor： Colin Charnock Davidson , David Riginald Trainer , Nnamdi Okaeme
CPC classification number: H02M3/158 , H02H7/268 , H02J3/36 , H02M1/08 , H02M1/32 , H02M2007/4835 , Y02E60/60
Abstract: There is a control circuit comprising first and second DC terminals for connection to a DC network, the first and second DC terminals having a plurality of modules and at least one energy conversion element connected in series therebetween to define a current transmission path, the plurality of modules defining a chain-link converter, each module including at least one energy storage device, the or each energy storage device being selectively removable from the current transmission path to cause a current waveform to flow from the DC network through the current transmission path and the or each energy conversion element and thereby remove energy from the DC network, the or each energy storage device being selectively removable from the current transmission path to modulate the current waveform to maintain a zero net change in energy level of the chain-link converter.
Abstract translation: 存在包括用于连接到DC网络的第一和第二DC端子的控制电路，所述第一和第二DC端子具有多个模块和至少一个在其间串联连接的能量转换元件，以限定当前的传输路径， 限定链式转换器的模块，每个模块包括至少一个能量存储装置，所述或每个能量存储装置可选地从当前传输路径移除，以使电流波形从DC网络流过当前传输路径，并且 或每个能量转换元件，从而从DC网络去除能量，所述或每个能量存储装置可选择性地从当前传输路径移除，以调制电流波形，以维持链式转换器的能量级别的零净变化。
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公开(公告)号：US09306392B2
公开(公告)日：2016-04-05
申请号：US14382291
申请日：2012-12-28
Applicant: ALSTOM Technology Ltd
Inventor： Colin Charnock Davidson , Kevin J. Dyke , Jose Maneiro , David Reginald Trainer , Nnamdi Okaeme
IPC: H02J1/00 , H02J3/14 , H02J1/02 , H02H7/26 , H02J3/36 , H02H3/16 , H02J4/00 , H02H9/04 , H02M7/483 , H02M1/32
CPC classification number: H02J1/02 , H02H3/16 , H02H7/268 , H02H9/041 , H02J3/36 , H02J4/00 , H02J2003/365 , H02M1/32 , H02M2007/4835 , Y02E60/60 , Y10T307/445
Abstract: A control circuit comprising: first and second terminals for respective connection to first and second power transmission lines; a current transmission path extending between the first and second terminals and having first and second current transmission path portions separated by a third terminal, either or both of the first and second current transmission path portions including at least one module, the or each module including at least one energy storage device; an auxiliary terminal for connection to ground or the second power transmission line; an energy conversion block for removing energy from the power transmission lines, the energy conversion block extending between the third and auxiliary terminals such that the energy conversion block branches from the current transmission path, the energy conversion block including at least one energy conversion element; and a control unit which selectively removes the or each energy storage device from the current transmission path.
Abstract translation: 一种控制电路，包括：第一和第二端子，用于分别连接到第一和第二输电线路; 当前传输路径在第一和第二终端之间延伸并且具有由第三终端隔开的第一和第二电流传输路径部分，第一和第二电流传输路径部分中的一个或两个包括至少一个模块，该或每个模块包括在 至少一个储能装置; 用于连接到地面或第二输电线路的辅助端子; 用于从所述输电线路去除能量的能量转换模块，所述能量转换模块在所述第三和辅助端子之间延伸，使得所述能量转换模块从所述当前传输路径分支，所述能量转换模块包括至少一个能量转换元件; 以及控制单元，其选择性地从当前传输路径移除或每个能量存储装置。
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公开(公告)号：US20150049530A1
公开(公告)日：2015-02-19
申请号：US14385967
申请日：2013-03-20
Applicant: David Reginald Trainer , Nnamdi Okaeme , ALSTOM Technology Ltd.
Inventor： David Reginald Trainer , Nnamdi Okaeme
IPC: H02M7/797
CPC classification number: H02M7/797 , H02M7/219 , H02M2007/4835 , Y02E60/60
Abstract: A power electronic converter (30), for connecting AC and DC networks (46,44) and transferring power therebetween, comprises: first and second DC terminals (32,34) defining a DC link for connection to a DC network (44); wherein, in use, the DC link has a reversible DC link voltage applied thereacross; at least one converter limb (36) extending between the first and second DC terminals (32,34) and having first and second limb portions (38,40) separated by an AC terminal (42) for connection to an AC network (46), each limb portion (38,40) including at least one rationalised module (52) having first and second sets of series-connected current flow control elements (54) connected in parallel with at least one energy storage device (56), each set of current flow control elements (54) including a primary active switching element to selectively direct current through the energy storage device (56) and a primary passive current check element to limit current flow through the rationalised module (52) to a single direction, the current flow control elements (54) and the or each energy storage device (56) combining to selectively provide a voltage source to synthesise an AC voltage at the AC terminal (42); and a first controller (60) to selectively switch the or each rationalised module (52) in each limb portion (38,40) to control the configuration of the AC voltage at the corresponding AC terminal (42) so as to transfer power from the AC network (46) to the DC network (44) in an AC to DC power transfer mode and to transfer power from the DC network (44) to the AC network (46) in a DC to AC power transfer mode, wherein each limb portion (38,40) includes: one or more secondary passive current check elements (48) to limit current flow through the corresponding limb portion (38,40) to a single direction between the corresponding AC and DC terminals (42,32,34), the or each secondary passive current check element (48) being connected in series with the or each rationalised module (52); or one or more secondary active switching elements that is connected in series with the or each rationalised module (52).
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公开(公告)号：US20150214834A1
公开(公告)日：2015-07-30
申请号：US14685246
申请日：2015-04-13
Applicant: ALSTOM Technology Ltd.
Inventor： David Trainer , Colin Charnock Davidson , Nnamdi Okaeme
CPC classification number: H02M1/4208 , G05F1/70 , H02J3/36 , H02M7/04 , H02M7/483 , H02M2007/4835 , Y02E60/60 , Y10T307/50
Abstract: A power electronic converter for use in high voltage direct current power transmission and reactive power compensation comprises a plurality of switching elements interconnecting in use a DC network and one or more AC networks, the plurality of switching elements being controllable in use to facilitate power conversion between the AC and DC networks, wherein in use, the plurality of switching elements are controllable to form one or more short circuits within the power electronic converter so as to define one or more primary current flow paths, the or each primary current flow path including a respective one of the AC networks and the power electronic converter and bypassing the DC network.
Abstract translation: 用于高压直流电力传输和无功补偿的电力电子转换器包括在使用中互连DC网络和一个或多个AC网络的多个开关元件，所述多个开关元件在使用中是可控的，以便于在 AC和DC网络，其中在使用中，所述多个开关元件是可控制的，以在所述电力电子转换器内形成一个或多个短路，以便限定一个或多个初级电流流动路径，所述或每个初级电流流动路径包括 相应的一个交流网络和电力电子转换器，并绕过直流网络。
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