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公开(公告)号：US10574144B1
公开(公告)日：2020-02-25
申请号：US16145406
申请日：2018-09-28
Applicant: General Electric Company
Inventor： Ramanujam Ramabhadran , Kum-Kang Huh , Mohammed Agamy , Ahmed Elasser
Abstract: According to various embodiments, a DC/DC conversion system is disclosed. The DC/DC conversion system includes a boost converter coupled to a plurality of parallel buck converters. The boost converter and plurality of buck converters each include an inductor, where the inductors are magnetically coupled to each other. The DC/DC conversion system further includes a control system configured to control the boost converter and plurality of buck converters such that combined duty cycles of the plurality of buck converters are about equal to a duty cycle of the boost converter and the duty cycles of the plurality of buck converters are modulated out of phase.
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Patent Agency Ranking
公开(公告)号：US10525690B2
公开(公告)日：2020-01-07
申请号：US15258893
申请日：2016-09-07
Applicant: General Electric Company
Inventor： Ruxi Wang , Manoj Ramprasad Shah , Ramanujam Ramabhadran , Yanzhe Yang
Abstract: A method of manufacturing an inductor core includes controlling a flow of magnetic material and a flow of binder material to a nozzle such that the flow magnetic material merges with the flow of binder material at a focal point of a preheater, preheating the magnetic material and the binder material by energizing the preheater, mixing the magnetic material and the binder material according to a ratio based on a magnetic permeability distribution of the inductor core, and depositing the magnetic material and the binder material on a surface to form the inductor core having three layers with recessed patterns defined between the layers for receiving a coil.
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公开(公告)号：US20180068774A1
公开(公告)日：2018-03-08
申请号：US15258893
申请日：2016-09-07
Applicant: General Electric Company
Inventor： Ruxi Wang , Manoj Ramprasad Shah , Ramanujam Ramabhadran , Yanzhe Yang
IPC: H01F27/255 , H01F41/02 , H01F27/28 , G05D7/06 , B33Y30/00
Abstract: A core includes a first layer, a second layer, and a third layer. The first layer has a first surface, a second surface, and a first recessed pattern extending from the second surface of the first layer toward the first surface of the first layer. The second layer has a third surface, a fourth surface, a second recessed pattern extending from the third surface of the second layer toward the fourth surface of the second layer, and a third recessed pattern extending from the fourth surface of the second layer toward the third surface of the second layer. The third layer has a fifth surface, a sixth surface, and a fourth recessed pattern extending from the fifth surface of the third layer toward the sixth surface of the third layer. The second layer is disposed between the first and third layers such that the second surface of the first layer faces the third surface of the second layer and the fourth surface of the second layer faces the fifth surface of the third layer. The first and second recessed patterns correspond to one another and are configured to receive a coil. The first, second, and third layers have non-uniform magnetic permeabilities.
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公开(公告)号：US09641063B2
公开(公告)日：2017-05-02
申请号：US14164416
申请日：2014-01-27
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Ramanujam Ramabhadran , Gang Yao , Bruce Richard Roberts , Jeffrey Joseph Nasadoski
CPC classification number: H02M1/42 , H02M1/4225 , H02M1/44 , H02M3/04 , H05B33/0809 , H05B33/0815 , H05B33/0851 , Y02B20/347 , Y02B70/126
Abstract: A power factor controller (PFC) for an electrical load such as LED lighting includes a power factor correcting converter for generating a sinusoidal input current. The PFC further includes a programmable controller for estimating a phase shifted multiplier. A current regulator generates a desired PFC current in response to an input voltage, an output load and the phase shifted and subsequently blanked multiplier. The electrical load operates in response to the sinusoidal input current based at least partially on the desired PFC current.
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45.发明授权公开(公告)号：US09526136B1
公开(公告)日：2016-12-20
申请号：US14949980
申请日：2015-11-24
Applicant: General Electric Company
Inventor： Ramanujam Ramabhadran , Danijel Maricic , Michael James Hartman
IPC: H04B10/00 , H05B37/02 , H05B33/08 , H04B10/116 , H04B10/114
CPC classification number: H05B33/0815 , H04B10/1149 , H04B10/116 , H05B33/0845 , H05B37/0272 , Y02B20/346
Abstract: An electronic driver is provided. The electronic driver includes a power converter including an output terminal and configured to generate a converter output power based on a first switching frequency of the power converter. The electronic driver also includes a first controller operatively coupled to the power converter and configured to control the first switching frequency of the power converter. The electronic driver further includes a visible light communication adapter operatively coupled to the output terminal of the power converter and configured to alter the converter output power to perform visible light communication.
Abstract translation: 提供电子驱动器。 电子驱动器包括功率转换器，其包括输出端子并且被配置为基于功率转换器的第一开关频率产生转换器输出功率。 电子驱动器还包括可操作地耦合到功率转换器并被配置为控制功率转换器的第一开关频率的第一控制器。 电子驱动器还包括可操作地耦合到功率转换器的输出端子并被配置为改变转换器输出功率以执行可见光通信的可见光通信适配器。
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公开(公告)号：US20160165684A1
公开(公告)日：2016-06-09
申请号：US14561942
申请日：2014-12-05
Applicant: General Electric Company
Inventor： Ramanujam Ramabhadran , John Stanley Glaser
IPC: H05B33/08
CPC classification number: H05B33/0815 , H02M1/4241 , H02M1/4258 , H02M2001/0058 , Y02B70/126 , Y02B70/1491
Abstract: An illumination device is provided. The illumination device includes a light emitting source, and a clamped series resonant converter operatively coupled to the light emitting source, where the clamped series resonant converter is configured to automatically regulate a load current generated by the clamped series resonant converter in response to a load voltage applied by the light emitting source.
Abstract translation: 提供照明装置。 照明装置包括发光源和可操作地耦合到发光源的夹紧串联谐振转换器，其中钳位的串联谐振转换器被配置为响应于负载电压自动调节由钳位的串联谐振转换器产生的负载电流 由发光源施加。
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