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公开(公告)号：US11451091B2
公开(公告)日：2022-09-20
申请号：US16498535
申请日：2018-03-28
申请人： Auckland UniServices Limited , Duleepa Jayanath Thrimawithana , Udaya Kumara Madawala , Gaurav Rajesh Kalra , Baljit Singh Riar , Martin Neuburger , Steven Ian Ruddell , Regan Andrew Zane
发明人： Duleepa Jayanath Thrimawithana , Udaya Kumara Madawala , Gaurav Rajesh Kalra , Baljit Singh Riar , Martin Neuburger , Steven Ian Ruddell , Regan Andrew Zane
摘要： A converter including a bridge circuit having a first leg and a second leg, each leg including a high switch and a low switch, the high switches being connected to a first energy source and the low switches being connected to ground, a coupling network(s) having a first connection between the switches of the first leg and a second connection between the switches of the second leg, and a second (or multiple secondary) energy source(s) connected between the coupling network(s) and ground, wherein the coupling network comprises a first inductive element connected between the second energy source and the switches of the first leg, and a second inductive element connected between the second energy source and the switches of the second leg.
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公开(公告)号：US20180212471A1
公开(公告)日：2018-07-26
申请号：US15746120
申请日：2016-07-20
申请人： Martin NEUBURGER , Duleepa Jayanath THRIMAWITHANA , Udaya Kumara MADAWALA , Baljit Singh RIAR , Steven Ian RUDDELL , Gaurav Rajesh KALRA , AUCKLAND UNISERVICES LIMITED
发明人： Martin Neuburger , Duleepa Jayanath Thrimawithana , Udaya Kumara Madawala , Baljit Singh Riar , Steven Ian Ruddell , Gaurav Rajesh Kalra
CPC分类号： H02J50/12 , B60L53/12 , B60L53/20 , B60L53/22 , B60L53/30 , B60L2210/30 , H02J7/025 , H02J7/345 , H02J50/10 , H02J50/40 , H02M7/219 , Y02T10/7005 , Y02T10/7088 , Y02T10/7241 , Y02T90/12 , Y02T90/121 , Y02T90/122 , Y02T90/127 , Y02T90/14
摘要： An IPT primary or secondary circuit includes a converter connected to a primary energy source and a compensation network. A supplementary energy source is connected to the compensation network and the converter transfers energy between the primary energy source or another IPT primary or secondary circuit and the supplementary energy source.
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公开(公告)号：US20170033693A1
公开(公告)日：2017-02-02
申请号：US15302304
申请日：2015-04-02
CPC分类号： H02M3/3378 , H01F38/14 , H02J50/12 , H02M3/33576 , H02M3/337 , H02M2001/0058 , Y02B70/1433 , Y02B70/1491
摘要： The present invention relates to an IPT system for wireless power transfer, in particular an IPT system capable of operating at high frequencies. In one aspect there is provided an IPT transmitter comprising: a push-pull resonant converter having a resonant frequency; and configured to operate at a switching frequency below the resonant frequency and dependent on a switching characteristic of a second converter configured to inductively couple to said transmitter.
摘要翻译： 本发明涉及一种用于无线电力传输的IPT系统，特别是能够在高频率下工作的IPT系统。 一方面，提供了一种IPT发射机，包括：具有谐振频率的推挽谐振转换器; 并且被配置为以低于谐振频率的开关频率工作，并且取决于被配置为感应耦合到所述发射器的第二转换器的开关特性。
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4.发明申请公开(公告)号：US20150207335A1
公开(公告)日：2015-07-23
申请号：US14424384
申请日：2013-08-28
CPC分类号： H02J50/10 , B60L11/182 , B60L11/1842 , H02J5/005 , H02J7/025 , H02J50/40 , Y02E60/721 , Y02T10/7005 , Y02T10/7072 , Y02T90/121 , Y02T90/122 , Y02T90/128 , Y02T90/14 , Y02T90/163 , Y04S10/126
摘要： The present invention provides a polyphase inductive power transfer (IPT) system comprising a primary power supply comprising a plurality of primary conductors, the primary conductors being individually selectively operable to provide or receive a magnetic field for inductive power transfer; and at least one pick-up comprising one or more pick-up conductors, the one or more pick-up conductors each being individually selectively operable to magnetically couple with a primary conductor to control power transfer between the primary power supply and a load coupled or coupleable with the respective pick-up. The polyphase primary power supply may be used to power a plurality of single-phase pick-ups, one or more polyphase pick-ups, or a combination thereof. Also disclosed are polyphase primary and secondary converters for use in such a system.
摘要翻译： 本发明提供了一种多相感应功率传输（IPT）系统，其包括主电源，其包括多个主导体，所述主导体可单独选择性地操作以提供或接收用于感应功率传输的磁场; 以及包括一个或多个拾取导体的至少一个拾取器，所述一个或多个拾取导体各自独立地选择性地可操作地与主导体磁耦合，以控制主电源与耦合的负载之间的功率传递， 可与各自的接送人员联系。 多相主电源可以用于为多个单相拾取器，一个或多个多相拾取器或其组合供电。 还公开了用于这种系统的多相主和次级转换器。
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公开(公告)号：US10270289B2
公开(公告)日：2019-04-23
申请号：US14424384
申请日：2013-08-28
摘要： The present invention provides a polyphase inductive power transfer (IPT) system comprising a primary power supply comprising a plurality of primary conductors, the primary conductors being individually selectively operable to provide or receive a magnetic field for inductive power transfer; and at least one pick-up comprising one or more pick-up conductors, the one or more pick-up conductors each being individually selectively operable to magnetically couple with a primary conductor to control power transfer between the primary power supply and a load coupled or coupleable with the respective pick-up. The polyphase primary power supply may be used to power a plurality of single-phase pick-ups, one or more polyphase pick-ups, or a combination thereof. Also disclosed are polyphase primary and secondary converters for use in such a system.
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公开(公告)号：US20130207482A1
公开(公告)日：2013-08-15
申请号：US13807436
申请日：2011-06-30
IPC分类号： H01F38/14
CPC分类号： H01F38/14 , H02J5/005 , H02J7/025 , H02J50/12 , H02M3/33561 , H02M7/797 , H02M2001/007
摘要： An inductive power transfer (IPT system) includes an AC-AC full-bridge converter (Tp1-Tp4) provided between the primary conductive path (Lpt) and an alternating current power supply (Vin). The system may include a controller for controlling the pick-up device to shape the input current drawn from the alternating current power supply (Vin).
摘要翻译： 感应功率传输（IPT系统）包括设置在主要导电路径（Lpt）和交流电源（Vin）之间的AC-AC全桥转换器（Tp1-Tp4）。 该系统可以包括用于控制拾取装置以对从交流电源（Vin）抽取的输入电流进行整形的控制器。
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公开(公告)号：US20120002446A1
公开(公告)日：2012-01-05
申请号：US13131153
申请日：2009-11-26
CPC分类号： H02J50/12 , B60L11/182 , B60L11/1842 , H02J5/005 , H02J7/025 , H02M3/33584 , Y02E60/721 , Y02T10/7005 , Y02T10/7072 , Y02T10/7088 , Y02T90/121 , Y02T90/122 , Y02T90/127 , Y02T90/128 , Y02T90/14 , Y02T90/16 , Y02T90/163 , Y04S10/126
摘要： A method is provided for controlling the output voltage of a pickup in an inductive power transfer (IPT) system without any additional form of communications for feedback from the pickup to the power supply. The method comprising the steps of deriving an estimate of the output voltage of the pickup from the voltage across the primary conductive path, and adjusting the current in the primary conductive path so that the estimated pick-up output voltage matches a required pick-up output voltage. In particular, an estimate of the pickup output voltage is derived from the magnitude and phase angle of the voltage in the primary conductive path.
摘要翻译： 提供了一种用于控制感应功率传输（IPT）系统中的拾取器的输出电压的方法，而没有任何附加形式的通信用于从拾取器到电源的反馈。 该方法包括以下步骤：从主导电路径上的电压导出拾取器的输出电压的估计，以及调整初级导电路径中的电流，使得估计的拾取输出电压与所需的拾取输出匹配 电压。 特别地，从主导电路径中的电压的大小和相位角导出拾取输出电压的估计。
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公开(公告)号：US09660702B2
公开(公告)日：2017-05-23
申请号：US14127882
申请日：2012-06-27
CPC分类号： H02J50/12 , B60L11/182 , B60L11/1842 , B60L11/1844 , B60L11/1846 , B60L2210/10 , B60L2210/30 , B60L2210/40 , H02J5/005 , H02J50/10 , H02M7/797 , H02M2001/008 , H02M2007/4815 , H04B5/0037 , H04B5/0075 , Y02E60/721 , Y02T10/7005 , Y02T10/7072 , Y02T10/7216 , Y02T10/7241 , Y02T90/121 , Y02T90/122 , Y02T90/127 , Y02T90/128 , Y02T90/14 , Y02T90/163 , Y02T90/169 , Y04S10/126 , Y04S30/14
摘要： A control method for use in a primary side power converter (1) of an inductive power transfer (IPT) system. The power transfer from the primary side to one or more secondary pick-ups is monitored, and the operating frequency of the primary side power converter (1) is varied in proportion to a difference between the monitored power transfer and a power capability of the primary side power converter. The frequency variation can be sensed by the or each pick-up (2) to regulate the power transfer and to prevent overloading from occurring.
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公开(公告)号：US09653207B2
公开(公告)日：2017-05-16
申请号：US13807436
申请日：2011-06-30
CPC分类号： H01F38/14 , H02J5/005 , H02J7/025 , H02J50/12 , H02M3/33561 , H02M7/797 , H02M2001/007
摘要： An inductive power transfer (IPT system) includes an AC-AC full-bridge converter (Tp1-Tp4) provided between the primary conductive path (Lpt) and an alternating current power supply (Vin). The system may include a controller for controlling the pick-up device to shape the input current drawn from the alternating current power supply (Vin).
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公开(公告)号：US08923015B2
公开(公告)日：2014-12-30
申请号：US13131153
申请日：2009-11-26
CPC分类号： H02J50/12 , B60L11/182 , B60L11/1842 , H02J5/005 , H02J7/025 , H02M3/33584 , Y02E60/721 , Y02T10/7005 , Y02T10/7072 , Y02T10/7088 , Y02T90/121 , Y02T90/122 , Y02T90/127 , Y02T90/128 , Y02T90/14 , Y02T90/16 , Y02T90/163 , Y04S10/126
摘要： A method is provided for controlling the output voltage of a pickup in an inductive power transfer (IPT) system without any additional form of communications for feedback from the pickup to the power supply. The method comprising the steps of deriving an estimate of the output voltage of the pickup from the voltage across the primary conductive path, and adjusting the current in the primary conductive path so that the estimated pickup output voltage matches a required pickup output voltage. In particular, an estimate of the pickup output voltage is derived from the magnitude and phase angle of the voltage in the primary conductive path.
摘要翻译： 提供了一种用于控制感应功率传输（IPT）系统中的拾取器的输出电压的方法，而没有任何附加形式的通信用于从拾取器到电源的反馈。 该方法包括以下步骤：从主要导电路径上的电压导出拾取器的输出电压的估计，以及调整初级导电路径中的电流，使得估计的拾取输出电压与所需的拾取输出电压相匹配。 特别地，从主导电路径中的电压的大小和相位角导出拾取输出电压的估计。
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