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11. 发明授权

US11512885B2 Variable speed drive with secondary windings 有权
公开(公告)号：US11512885B2
公开(公告)日：2022-11-29
申请号：US16338974
申请日：2017-10-05
申请人： Johnson Controls Technology Company
发明人： David F. Saylor
IPC分类号： F25B49/02 , H02P5/74 , H01F30/04 , F04C28/08 , F04B49/20 , F04B41/00 , H02P27/04 , H02P1/58 , F04C28/02 , F04B49/06 , F04B49/02 , F04D25/06 , F04D15/00 , F04D27/00 , F04D27/02 , H02P27/06 , H02P27/00 , H02P1/54 , F04B35/04 , H02P27/16
摘要： Embodiments of the present disclosure relate to a refrigeration system that includes a compressor configured to circulate refrigerant along a refrigerant loop, a motor configured to drive the compressor, and a variable speed drive coupled to the motor and configured to supply power to the motor. The variable speed drive includes a primary winding of a step down transformer coupled to an alternating current (AC) power source, a first secondary winding of the step down transformer, where the first secondary winding is configured to supply power at a variable supplied voltage to the motor when the motor operates below a threshold voltage, and a second secondary winding of the step down transformer, where the second secondary winding is configured to supply power at a fixed supplied voltage when the motor operates at or above the threshold voltage.

12. 发明授权

US11387741B2 Superconducting magnet engine 有权
公开(公告)号：US11387741B2
公开(公告)日：2022-07-12
申请号：US15939071
申请日：2018-03-28
申请人： Chauncey Bigelow Sayre
发明人： Chauncey Bigelow Sayre
IPC分类号： H02M3/335 , H02J7/00 , H01F6/04 , H01F6/06 , H02M7/5387 , H01F6/00 , B60L58/30 , H01F30/04 , H01F36/00 , H01M8/18 , H02J7/35 , H02J7/14 , H01M16/00
摘要： Apparatus and associated methods relate to a Meissner Engine Regulator (MER) that includes a superconducting inductive element (SCIE) supplying a secondary winding coupled to recirculate excess energy from the SCIE core to a feedback winding controlled to regulate the SCIE magnetic field strength to be substantially at or below a critical magnetic field strength (HC). In an illustrative example, Hc may be the maximum field strength to obtain the Meissner effect in the SCIE. In some examples, the SCIE may be wound with n-filar windings. The SCIE may further include a first primary electrically coupled to and powered by a DC-to-AC power inverter, for example. The secondary winding may operate to remove excess energy from the magnetic field in the SCIE, for example, and store it in a capacitor. The SCIE may be supercooled, with liquid nitrogen, for example, such that the MER reaches electrical efficiencies approaching 100%.

13. 发明申请

US20210075331A1 ELECTRICAL POWER DISTRIBUTION 有权
公开(公告)号：US20210075331A1
公开(公告)日：2021-03-11
申请号：US16999680
申请日：2020-08-21
申请人： ROLLS-ROYCE plc
发明人： Mohd TARIQ , Chandana J GAJANAYAKE , Ali I MASWOOD , Amit K GUPTA
IPC分类号： H02M3/335 , H02M3/337 , H02M3/158 , B60L53/20 , H01F30/04 , H02J7/00
摘要： Electrical power distribution systems and methods of operating electrical power distribution systems are provided. One electrical power distribution system comprises: an electrical power storage unit; a transformer; a first bidirectional converter circuit connected between the electrical power storage unit and a first winding of the transformer; a first DC bus; a second DC bus; a second bidirectional converter circuit connected between the first DC bus and a second winding of the transformer; a third bidirectional converter circuit connected between the second DC bus and a third winding of the transformer; and a controller connected for control of the first, second and third converter circuits to distribute electrical power between the electrical power storage unit, the first DC bus and the second DC bus.

14. 发明申请

US20190043664A1 FLYBACK POWER SUPPLY, INVERTER AND ELECTRICALLY POWERED VEHICLE 审中-公开
公开(公告)号：US20190043664A1
公开(公告)日：2019-02-07
申请号：US16072511
申请日：2016-05-26
申请人： Mitsubishi Electric Corporation
发明人： Kazuaki HIYAMA
IPC分类号： H01F30/04 , H02M7/538 , H01F27/30 , H01F27/00
摘要： Primary-side windings of the transformers (T1,T2,T3) are connected in parallel to each other. A switch (SW) turns on/off primary side currents of the transformers (T1,T2,T3). Each transformer (T1,T2,T3) includes a plurality of secondary-side windings.

15. 发明授权

US09743472B2 Electrical load driving apparatus 有权
公开(公告)号：US09743472B2
公开(公告)日：2017-08-22
申请号：US13836337
申请日：2013-03-15
申请人： City University of Hong Kong
发明人： Shu Hung Henry Chung , Ruihong Zhang
IPC分类号： H05B33/08 , H01F38/00 , H01F30/04 , H02J3/00
CPC分类号： H05B33/0821 , H01F30/04 , H02J3/00 , Y10T307/25 , Y10T307/297
摘要： An electrical load driving apparatus, comprising a current distribution apparatus having a power source arranged to deliver an input current into a plurality of branches such that the input current is distributed into a plurality of individual branch currents, wherein each of the plurality of branches includes an inductive arrangement arranged to form an inductive coupling with an associated inductive arrangement of at least one other associated branch, and a plurality of output loads connect to each of the associated branches of the current distribution apparatus.

16. 发明授权

US09723661B2 Systems and methods for powering a microprocessor from an isolated secondary side to enable off-line communication on an LED driver 有权
公开(公告)号：US09723661B2
公开(公告)日：2017-08-01
申请号：US15096317
申请日：2016-04-12
申请人： GE Lighting Solutions, LLC
发明人： Eric Lavigne , Mohamed Cherif Ghanem , Francois Giguere
IPC分类号： H05B41/16 , H05B33/08 , H01F30/04 , H02M5/10
CPC分类号： H05B33/0809 , H01F30/04 , H02M5/10
摘要： An LED driver circuit includes a primary circuit and a circuit electrically isolated from the primary circuit, a transformer having a primary winding configured to receive power from an alternating current source and to generate power in a first secondary winding configured to provide power to the electrically isolated circuit, and to generate power in a second secondary winding configured to provide power to the primary circuit, and a conductor connected to an end of the first secondary winding and configured to connect a winding driver signal to the first secondary winding to generate power in the second secondary winding.

17. 发明授权

US09343994B2 Power conversion apparatus having two secondary winding groups 有权
标题翻译：具有两个次级绕组的电力转换装置
公开(公告)号：US09343994B2
公开(公告)日：2016-05-17
申请号：US14368673
申请日：2012-01-18
申请人： Yasuhiko Hosokawa
发明人： Yasuhiko Hosokawa
IPC分类号： H02M7/19 , H02M7/04 , H01F30/04 , H02M7/49 , H02M7/483
CPC分类号： H02M7/04 , H01F30/04 , H02M7/49 , H02M2007/4835
摘要： A power conversion apparatus including a three-phase transformer interconnected to a three-phase power system, the three-phase transformer including a primary winding group that receives three-phase electric power of the three-phase electric power system, a first secondary winding group and a second secondary winding group that receive electric power transferred from the primary winding group, and a first converter group and a second converter group connected to the first and second secondary winding groups, respectively, the power conversion apparatus further including a DC output terminal group connected to at least one of other ends of the first to third converter arms provided in the first converter group, and connected to at least one of other ends of the fourth to sixth converter arms provided in the second converter group.
摘要翻译：一种电力转换装置，包括互连到三相电力系统的三相变压器，所述三相变压器包括接收所述三相电力系统的三相电力的初级绕组组，第一次级绕组组以及第二次级绕组，其分别接收从初级绕组组传递的电力，以及分别连接到第一和第二次级绕组组的第一转换器组和第二转换器组，该电力转换装置还包括直流输出端子组连接到设置在第一转换器组中的第一至第三转换器臂的至少一个端部，并连接到设置在第二转换器组中的第四至第六转换器臂的至少一个端部。

18. 发明授权

US09336943B2 Transformer 有权
公开(公告)号：US09336943B2
公开(公告)日：2016-05-10
申请号：US14326502
申请日：2014-07-09
申请人： Delta Electronics (Shanghai) Co., Ltd.
发明人： Jiang Chu , Wei Zhang , Zhi Huang
IPC分类号： H01F27/28 , H01F27/08 , H01F27/10 , H01F27/02 , H01F21/08 , H01F30/04 , H01F27/00 , H01F27/34 , H01F27/32
CPC分类号： H01F30/04 , H01F27/006 , H01F27/08 , H01F27/28 , H01F27/2876 , H01F27/322 , H01F27/323 , H01F27/34
摘要： A transformer includes a magnetic core, a primary winding, and a plurality of secondary windings. The magnetic core has an axial and a radial direction. The primary winding includes a plurality of winding sections and at least one connecting section. The winding sections are arranged along the axial direction. The connecting section is connected between the two adjacent winding sections. Each of the winding sections includes a plurality of primary winding layers and pull-out portions. The primary winding layers surround the magnetic core and are arranged along the radial direction. One pull-out portion connects two primary winding layers adjacent to the pull-out portion. Part of normal projections of the primary winding layers on a surface of the magnetic core are located between normal projections of the pull-out portions on the surface of the magnetic core. The secondary windings surround the primary winding.

19. 发明申请

US20050219031A1 Method for RIAA correction of audio signal with use of transformer 审中-公开
标题翻译：使用变压器对音频信号进行RIAA校正的方法
公开(公告)号：US20050219031A1
公开(公告)日：2005-10-06
申请号：US10897574
申请日：2004-07-22
申请人： Alexander Sokolov
发明人： Alexander Sokolov
IPC分类号： H03F1/00 , H01F3/10 , H01F27/245 , H01F27/38 , H01F30/04 , H02M3/335 , H03F1/20 , H03F3/02 , H03F3/181
CPC分类号： H03F1/20 , H01F3/10 , H01F27/245 , H01F27/38 , H01F30/04 , H03F3/02 , H03F3/181 , H03F2200/03 , H03F2200/541
摘要： RIAA correction of audio frequency signals is described. A RIAA-correcting pre-amplifier uses a transformer having a primary winding and two or more secondary windings, with two of the secondary windings playing essential role in RIAA-correction. A magnetic core of the transformer includes two or more separated parallel magnetic circuits.
摘要翻译：描述音频信号的RIAA校正。 RIAA校正前置放大器使用具有初级绕组和两个或更多次级绕组的变压器，其中两个次级绕组在RIAA校正中扮演重要角色。变压器的磁芯包括两个或更多个分离的并联磁路。

20. 发明申请

US20050145611A1 Power source for plasma device 失效
标题翻译：等离子体设备的电源
公开(公告)号：US20050145611A1
公开(公告)日：2005-07-07
申请号：US11019893
申请日：2004-12-23
申请人： George Blankenship , Robert Dodge , Todd Kooken , Lifeng Luo
发明人： George Blankenship , Robert Dodge , Todd Kooken , Lifeng Luo
IPC分类号： B23K9/073 , H01F27/00 , H01F27/28 , H01F29/02 , H01F30/00 , H01F30/04 , H01F38/08 , H02M9/00 , B23K9/10
CPC分类号： H01F38/00 , H01F27/28 , H01F29/02 , H01F30/04 , H01F38/085 , H01F2038/006 , H05H1/36
摘要： A plasma device including a power source for creating an AC output signal with a matrix transformer between said power source and a series circuit comprising a first lead and a second lead. The matrix transformer including at least two modules with a first primary portion formed of first and second tubes connected at one end and a second primary portion formed of third and fourth tubes connected at one end, with said third and fourth tubes mounted in, and electrically isolated from, said first and second tubes, respectively, where said concentric tubes define generally parallel elongated passages through the module. A secondary winding is wrapped through the elongated passages of each module. There is a first series circuit from the power source to the matrix transformer for passing the first polarity of the AC output signal through the first primary sections of the modules, a second series circuit from the power source to the matrix transformer for passing the second polarity of the output signal through the second primary sections, a rectifier for each of the secondary windings of the modules and a third series circuit connecting the rectifiers in series with the first and second leads so a voltage of over about 500 volts is across these leads.
摘要翻译：一种等离子体装置，包括用于在所述电源和包括第一引线和第二引线的串联电路之间用矩阵变压器产生AC输出信号的电源。所述矩阵变压器包括至少两个模块，所述模块具有由在一端连接的第一和第二管形成的第一主要部分和由一端连接的第三和第四管形成的第二主要部分，所述第三和第四管安装在其中，分别与所述第一和第二管隔离，其中所述同心管限定通过模块的大致平行的细长通道。次级绕组通过每个模块的细长通道包裹。存在从电源到矩阵变压器的第一串联电路，用于使交流输出信号的第一极性通过模块的第一初级部分，从电源到矩阵变换器的第二串联电路，用于使第二极性通过第二主要部分的输出信号，用于模块的每个次级绕组的整流器以及将整流器与第一和第二引线串联连接的第三串联电路，使得在这些引线上的电压超过约500伏特。

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