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公开(公告)号：US10317484B2
公开(公告)日：2019-06-11
申请号：US15517132
申请日：2015-10-08
Applicant: General Electric Company
Inventor： Viswanathan Kanakasabai , Adnan Kutubuddin Bohori , Rajendra Naik , Suma Memana Narayana Bhat , Arun Kumar Raghunathan
IPC: G01V3/00 , G01R33/385 , A61B5/055 , G01R33/36
Abstract: A gate driver unit is presented. The gate driver unit includes a first power exchanging coil operatively coupled to a power source. The gate driver unit includes a second power exchanging coil configured to receive power from the first power exchanging coil via a magnetic field and a field focusing element disposed between the first power exchanging coil and the second power exchanging coil and configured to focus the magnetic field onto the second power exchanging coil. The gate driver unit also includes a first circuit coupled to the second power exchanging coil. The gate driver unit includes a gate drive subunit operatively coupled to the first circuit and configured to provide an output signal to a control terminal corresponding to a controllable switch of a second circuit. A magnetic resonance imaging system and a method of contactless power transfer in a magnetic resonance imaging system are also presented.
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公开(公告)号：US10079485B2
公开(公告)日：2018-09-18
申请号：US14918950
申请日：2015-10-21
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Amol Rajaram Kolwalkar , Arvind Kumar Tiwari , Rajendra Naik , Sanjay Vijayaraghavan
IPC: H02J9/00 , H01F1/00 , H01F3/00 , H02J3/30 , H02H7/06 , H02K7/18 , H02J11/00 , H02J3/00 , H02P9/00 , H02J3/18 , H02J3/32
CPC classification number: H02H7/067 , H02J3/00 , H02J3/18 , H02J3/32 , H02J11/00 , H02J2003/001 , H02K7/1823 , H02P9/006 , Y02E40/30
Abstract: A power generation system is provided. The system includes a prime mover for transforming a first energy to a second energy. The system also includes an induction generator operatively coupled to the prime mover and configured to generate electrical power using the second energy. The system further includes an inverter electrically coupled to the induction generator for controlling a terminal voltage of the induction generator during a grid-loss condition. The system also includes a power dissipating device operatively coupled to the inverter for dissipating power generated by the induction generator during the grid-loss condition.
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公开(公告)号：US09263962B2
公开(公告)日：2016-02-16
申请号：US14449181
申请日：2014-08-01
Applicant: General Electric Company
Inventor： Wenqiang Yang , Hongwu She , Rajendra Naik , Shivkumar Venkatraman Iyer
CPC classification number: H02M5/42 , H02M1/12 , H02M7/5395 , H02M2001/007 , H02M2001/0074 , H02M2001/0077 , Y02E10/76 , Y10T307/707
Abstract: An exemplary power conversion system includes a first power conversion module, a second power conversion module, and a controller. The first power conversion module includes a first source side converter, a first load side converter, and a first DC link coupled between the first source side converter and the second load side converter. The second power conversion module includes a second source side converter, a second load side converter, and a second DC link coupled between the second source side converter and the second load side converter. The controller is configured to generate a number of switching signals according to a circuit structure of the power source module or a circuit structure of the load module. The switching signals are provided to the first power conversion module and the second power conversion module to balance a first DC link voltage and a second DC link voltage.
Abstract translation: 示例性的电力转换系统包括第一电力转换模块，第二电力转换模块和控制器。 第一电源转换模块包括第一源侧转换器，第一负载侧转换器和耦合在第一源侧转换器和第二负载侧转换器之间的第一DC链路。 第二电源转换模块包括耦合在第二源侧转换器和第二负载侧转换器之间的第二源极侧转换器，第二负载侧转换器和第二DC链路。 控制器被配置为根据电源模块的电路结构或负载模块的电路结构生成多个开关信号。 切换信号被提供给第一电力转换模块和第二电力转换模块以平衡第一DC链路电压和第二DC链路电压。
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公开(公告)号：US20150244210A1
公开(公告)日：2015-08-27
申请号：US14186159
申请日：2014-02-21
Applicant: General Electric Company
Inventor： YASHOMANI KOLHATKAR , Pradeep Vijayan , Silvio Colombi , Rajendra Naik , Viswanathan Kanakasabai
CPC classification number: H02J9/062 , G06F1/26 , G06F1/30 , H02J3/08 , H02J2009/068 , H02M5/42 , Y10T307/344
Abstract: A system is provided. The system includes a plurality of uninterruptible power supplies (UPSs), a ring bus, at least one load electrically coupled to the plurality of UPSs and the ring bus, and a controller communicatively coupled to the plurality of UPSs. The controller is configured to calculate a phase angle for each UPS of the plurality of UPSs, wherein the phase angle is calculated relative to a common reference angle, and control operation of each UPS based on the respective calculated phase angles.
Abstract translation: 提供了一个系统。 该系统包括多个不间断电源（UPS），环形总线，电耦合到多个UPS和环形总线的至少一个负载，以及通信地耦合到多个UPS的控制器。 控制器被配置为计算多个UPS的每个UPS的相位角，其中相对于公共参考角计算相位角，并且基于相应计算的相位角控制每个UPS的操作。
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公开(公告)号：US20150162782A1
公开(公告)日：2015-06-11
申请号：US14097574
申请日：2013-12-05
Applicant: General Electric Company
Inventor： Viswanathan Kanakasabai , Silvio Colombi , Rajendra Naik
CPC classification number: H02J9/062 , H02J7/0013 , Y10T307/344
Abstract: A method and system for an uninterruptible power supply (UPS) are provided. The UPS includes a three-phase high power transformer, an active or passive-rectifier configured to generate and regulate a set of DC link voltages, and a set of cascaded inverters configured to generate an AC voltage using the DC link voltages. The UPS also includes a set of bi-directional battery converters configured to charge a bank of backup batteries when power is available from an AC mains source and discharge the bank of backup batteries to generate a three-phase AC voltage when the AC mains source voltage falls outside a predetermined range. The UPS further includes a bypass switch configured to electrically couple the AC mains source directly to a load when the UPS is in a bypass mode of operation and electrically couple the bank of backup batteries to the load through the set of bi-directional battery converters and the transformer.
Abstract translation: 提供了一种不间断电源（UPS）的方法和系统。 UPS包括三相大功率变压器，被配置为产生和调节一组DC链路电压的一个有源或无源整流器，以及一组级联逆变器，被配置为使用DC链路电压产生AC电压。 UPS还包括一组双向电池转换器，配置为从交流电源供电时为一组备用电池充电，并在备用电池组放电时产生三相交流电压，当交流电源电压 落在预定范围之外。 UPS还包括旁路开关，其配置成当UPS处于旁路操作模式时将AC电源直接电耦合到负载，并且通过该组双向电池转换器将备用电池组电耦合到负载，并且 变压器。
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Patent Agency Ranking
公开(公告)号：US20170285119A1
公开(公告)日：2017-10-05
申请号：US15475905
申请日：2017-03-31
Applicant: General Electric Company
Inventor： Viswanathan Kanakasabai , Rajendra Naik , Juan Sabate , Michael Rose , Jayanti Ganesh
IPC: G01R33/36 , G01R33/561 , H02J3/32 , G01R33/385 , H02J3/36 , H02J7/00
CPC classification number: G01R33/3614 , A61B6/032 , A61B6/56 , G01R33/28 , G01R33/3852 , G01R33/5616 , H02J7/0068 , H02J7/34
Abstract: A method of handling a peak power requirement of a medical imaging device 106 is presented. The method includes determining, using at least one controlling unit 107, 108, a first voltage corresponding to a direct current (DC) link 116, a second voltage corresponding to one or more energy storage devices 110, or a combination thereof, where a power source 102 is coupled to a plurality of loads via the DC link, and the energy storage devices are coupled to the DC link. Further, the method includes comparing, using the at least one controlling unit, the first voltage with a first reference value and the second voltage with a second reference value and regulating, using at least one controlling unit, at least one of the first voltage and the second voltage based on the comparison, to handle the peak power requirement of the medical imaging device.
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公开(公告)号：US09355798B2
公开(公告)日：2016-05-31
申请号：US14464721
申请日：2014-08-21
Applicant: General Electric Company
Inventor： Nalini Nanrudaiyan , Linda Yvonne Jacobs , Rajendra Naik , Adnan Kutubuddin Bohori , Marcin Piotr Lagiewka , Raheel Abdulla
CPC classification number: H01H33/08 , H01H9/30 , H01H9/46 , H01H33/04 , H01H33/82 , H01H2009/348 , H02H3/08
Abstract: An arc quenching system is presented. The arc quenching system includes a mounting structure, a plurality of movable arc chute plates mounted on the mounting structure, and a motion delivery unit mechanically coupled to the mounting structure. The motion delivery unit is configured to impart at least one of a rotation motion and a vibration motion to one or more movable arc chute plates of the plurality of movable arc chute plates.
Abstract translation: 提出了一种灭弧系统。 灭弧系统包括安装结构，安装在安装结构上的多个可移动弧形滑板，以及机械连接到安装结构的运动传递单元。 运动传递单元被构造成将多个可移动的溜槽板中的一个或多个可移动的电弧槽板赋予旋转运动和振动运动中的至少一个。
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公开(公告)号：US20150263567A1
公开(公告)日：2015-09-17
申请号：US14306791
申请日：2014-06-17
Applicant: General Electric Company
Inventor： Yashomani Kolhatkar , Rajendra Naik , Viswanathan Kanakasabai , Silvio Colombi
CPC classification number: H02J9/061 , G05F3/02 , H02J3/24 , H02J3/38 , H02J3/40 , H02J4/00 , H02J9/062 , Y10T307/344
Abstract: A system is provided. The system includes a plurality of uninterruptible power supplies (UPSs), a ring bus, at least one load electrically coupled to the plurality of UPSs and the ring bus, and a controller communicatively coupled to the plurality of UPSs. The controller is configured to calculate an output voltage frequency for each UPS of the plurality of UPSs, and control operation of each UPS based on the respective calculated output voltage frequencies.
Abstract translation: 提供了一个系统。 该系统包括多个不间断电源（UPS），环形总线，电耦合到多个UPS和环形总线的至少一个负载，以及通信地耦合到多个UPS的控制器。 控制器被配置为计算多个UPS中的每个UPS的输出电压频率，并且基于各个计算的输出电压频率来控制每个UPS的操作。
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公开(公告)号：US20150263566A1
公开(公告)日：2015-09-17
申请号：US14306641
申请日：2014-06-17
Applicant: General Electric Company
Inventor： Yashomani Kolhatkar , Pradeep Vijayan , Viswanathan Kanakasabai , Silvio Colombi , Rajendra Naik , Prashanth Manikumar Chennamsetty
CPC classification number: H02J9/061 , G05F3/02 , H02J3/40 , H02J3/46 , H02J4/00 , H02J9/062 , Y10T307/344
Abstract: A system is provided. The system includes a utility, a plurality of uninterruptible power supplies (UPSs), a ring bus, at least one load electrically coupled to the plurality of UPSs and the ring bus, and a controller communicatively coupled to the plurality of UPSs, the controller configured to determine a common reference angle while the utility is disconnected from at least one UPS of the plurality of UPSs, calculate a phase angle for each UPS of the plurality of UPSs, wherein the phase angle for each UPS is calculated relative to the common reference angle, and control operation of each UPS based on the respective calculated phase angles.
Abstract translation: 提供了一个系统。 该系统包括公用事业，多个不间断电源（UPS），环形总线，至少一个负载电耦合到多个UPS和环形总线的负载，以及控制器，其通信地耦合到多个UPS，所述控制器被配置 以在公用事业与多个UPS的至少一个UPS断开连接时确定公共参考角度，计算多个UPS中的每个UPS的相位角，其中每个UPS的相位角相对于公共参考角度被计算 并根据相应的计算出的相位角控制各个UPS的运行。
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公开(公告)号：US20150131349A1
公开(公告)日：2015-05-14
申请号：US14077309
申请日：2013-11-12
Applicant: General Electric Company
Inventor： Said Farouk Said El-Barbari , Silvio Colombi , Rajendra Naik , Luke Anthony Solomon , Siddharth Pant , Alfred Permuy
IPC: H02M7/537
Abstract: A system including a multi-level power converter is provided. The system also includes a plurality of DC link capacitors and a balancing circuit coupled to the multi-level power converter. The balancing circuit further includes two sets of interface branches. Each set includes a plurality of interface branches and a plurality of switching elements. The balancing circuit also includes a battery coupled to one or more inductors across the two sets of interface branches and a controller for controlling switching operations of the plurality of switching elements for modifying a voltage of the battery to balance voltages of the plurality of DC link capacitors.
Abstract translation: 提供了一种包括多级功率转换器的系统。 该系统还包括多个DC链路电容器和耦合到多电平功率转换器的平衡电路。 平衡电路还包括两组接口分支。 每组包括多个接口分支和多个开关元件。 平衡电路还包括耦合到横跨两组接口分支的一个或多个电感器的电池和用于控制多个开关元件的开关操作的控制器，用于修改电池的电压以平衡多个DC链路电容器的电压 。
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