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1. 发明授权

US08736207B2 Method and system for power conversion 有权
标题翻译：电源转换方法及系统
公开(公告)号：US08736207B2
公开(公告)日：2014-05-27
申请号：US12983574
申请日：2011-01-03
申请人： Allen Michael Ritter , Robert Allen Seymour , Rajib Datta , John Douglas D'Atre
发明人： Allen Michael Ritter , Robert Allen Seymour , Rajib Datta , John Douglas D'Atre
IPC分类号： H02P6/06 , H02P6/16
CPC分类号： H02M7/53873 , H02M1/40 , H02P27/06 , H02P27/10 , H02P27/12
摘要： A method and system for a commutation control circuit are provided. The system includes an integrating voltage counter electrically coupled to an electrical power bus, wherein the integrating voltage counter is configured to integrate over time a voltage signal received from the power bus and to generate a trigger signal when the integrated voltage signal equals a predetermined count. The system also includes a plurality of transistor pairs configured to receive a trigger signal generated by the integrating voltage counter and electrically coupled to respective windings of a motor.
摘要翻译：提供了一种用于换向控制电路的方法和系统。该系统包括电耦合到电力总线的积分电压计数器，其中积分电压计数器被配置为随着时间积分从电力总线接收的电压信号并且当积分电压信号等于预定计数时产生触发信号。该系统还包括多个晶体管对，其被配置为接收由积分电压计数器产生的触发信号并电耦合到电动机的相应绕组。

2. 发明申请

US20120169259A1 METHOD AND SYSTEM FOR POWER CONVERSION 有权
标题翻译：电力转换方法与系统
公开(公告)号：US20120169259A1
公开(公告)日：2012-07-05
申请号：US12983574
申请日：2011-01-03
申请人： Allen Michael Ritter , Robert Allen Seymour , Rajib Datta , John Douglas D'Atre
发明人： Allen Michael Ritter , Robert Allen Seymour , Rajib Datta , John Douglas D'Atre
IPC分类号： H02P6/14
CPC分类号： H02M7/53873 , H02M1/40 , H02P27/06 , H02P27/10 , H02P27/12
摘要： A method and system for a commutation control circuit are provided. The system includes an integrating voltage counter electrically coupled to an electrical power bus, wherein the integrating voltage counter is configured to integrate over time a voltage signal received from the power bus and to generate a trigger signal when the integrated voltage signal equals a predetermined count. The system also includes a plurality of transistor pairs configured to receive a trigger signal generated by the integrating voltage counter and electrically coupled to respective windings of a motor.
摘要翻译：提供了一种用于换向控制电路的方法和系统。该系统包括电耦合到电力总线的积分电压计数器，其中积分电压计数器被配置为随着时间积分从电力总线接收的电压信号并且当积分电压信号等于预定计数时产生触发信号。该系统还包括多个晶体管对，其被配置为接收由积分电压计数器产生的触发信号并电耦合到电动机的相应绕组。

3. 发明授权

US07633775B2 Power conversion system and method 有权
标题翻译：电力转换系统及方法
公开(公告)号：US07633775B2
公开(公告)日：2009-12-15
申请号：US11010147
申请日：2004-12-10
申请人： Rajib Datta , Allen Michael Ritter , Kunlun Chen , John Douglas D'Atre
发明人： Rajib Datta , Allen Michael Ritter , Kunlun Chen , John Douglas D'Atre
IPC分类号： H02M1/12
CPC分类号： H02M7/49
摘要： A power generation system for supplying a resultant output voltage is provided. The system comprises a power converter system. The power converter system comprises at least two power converter bridges, each configured for switching at a low frequency and generating a corresponding converter output voltage including a fundamental voltage component and harmonic components, and at least two power converter transformers. Each power converter bridge is coupled to a primary winding of a corresponding power converter transformer and a secondary winding of one power converter transformer is coupled to a secondary winding of a second power converter transformer. The resultant output voltage comprises a sum of the fundamental voltage components of each converter output voltage.
摘要翻译：提供了用于提供合成输出电压的发电系统。该系统包括功率转换器系统。功率转换器系统包括至少两个功率转换器桥，每个功率转换器桥被配置为以低频切换并产生包括基波电压分量和谐波分量的相应的转换器输出电压，以及至少两个功率转换器变压器。每个功率转换器桥耦合到相应的功率转换器变压器的初级绕组，并且一个功率变换器变压器的次级绕组耦合到第二功率变换器变压器的次级绕组。所得到的输出电压包括每个转换器输出电压的基波电压分量之和。

4. 发明申请

US20080304300A1 Power conversion system with galvanically isolated high frequency link 有权
标题翻译：电源转换系统采用电隔离高频链路
公开(公告)号：US20080304300A1
公开(公告)日：2008-12-11
申请号：US11810837
申请日：2007-06-06
申请人： Ravisekhar Nadimpalli Raju , Richard S. Zhang , Rajib Datta , Allen Michael Ritter , Ljubisa Dragoljub Stevanovic
发明人： Ravisekhar Nadimpalli Raju , Richard S. Zhang , Rajib Datta , Allen Michael Ritter , Ljubisa Dragoljub Stevanovic
IPC分类号： H02M7/06 , H02M7/00 , H02M7/155 , H02M7/217
CPC分类号： H02M7/217 , H02M2001/0074 , H02M2001/009 , Y02B70/1483
摘要： A power conversion system has a three-phase AC input, where each AC input phase is linked to a string of cascaded single-phase AC-DC converters placed in series with a three-phase AC-DC converter. Each single-phase AC-DC converter in one embodiment includes a silicon carbide (SiC) pulse width modulated MOSFET H-bridge that placed in series with the three-phase AC-DC converter that includes a silicon (Si) SCR bridge. The single-phase AC-DC converters and the three-phase AC-DC converter together in one embodiment include a mixed silicon-carbide (SiC) and silicon (Si) device topology.
摘要翻译：电力转换系统具有三相AC输入，其中每个AC输入相位与串联的三相AC-DC转换器串联的级联单相AC-DC转换器串联。在一个实施例中，每个单相AC-DC转换器包括与包括硅（Si）SCR桥的三相AC-DC转换器串联放置的碳化硅（SiC）脉宽调制MOSFET H桥。在一个实施例中，单相AC-DC转换器和三相AC-DC转换器一起包括混合碳化硅（SiC）和硅（Si）器件拓扑。

5. 发明申请

US20090045782A1 POWER CONVERSION SYSTEM 审中-公开
标题翻译：电力转换系统
公开(公告)号：US20090045782A1
公开(公告)日：2009-02-19
申请号：US11839929
申请日：2007-08-16
申请人： Rajib Datta , Allen Michael Ritter , Haiqing Weng , Luis Jose Garces , Kunlun Chen , Haitao Zhang
发明人： Rajib Datta , Allen Michael Ritter , Haiqing Weng , Luis Jose Garces , Kunlun Chen , Haitao Zhang
IPC分类号： H02P9/00 , F04B17/00 , H02M7/00
CPC分类号： H02M7/487 , H02M7/49
摘要： A power conversion system includes two three-level converters, and a phase shifted transformer coupled to the converters.
摘要翻译：电力转换系统包括两个三电平转换器和耦合到转换器的相移变压器。

6. 发明授权

US07327134B1 Method and system for transformer control 有权
标题翻译：变压器控制方法及系统
公开(公告)号：US07327134B1
公开(公告)日：2008-02-05
申请号：US11460064
申请日：2006-07-26
申请人： Haiqing Weng , Kunlun Chen , Rajib Datta , Allen Michael Ritter
发明人： Haiqing Weng , Kunlun Chen , Rajib Datta , Allen Michael Ritter
IPC分类号： G01R15/18
CPC分类号： H01F27/42 , H01F27/34 , H01F2038/006 , H02M7/49
摘要： A method to balance transformer flux among a plurality of transformers is disclosed. The plurality of transformers is connected to a plurality of converters, each transformer having an associated converter. The method comprises determining a reference flux value, measuring an actual flux value for each transformer, and developing a plurality of voltage command signals in relation to a plurality of variance values between the reference flux value and each actual flux value. In response to the voltage command signals being received at a modulator in signal communication with the plurality of converters, the method proceeds by generating a plurality of switching signals to reduce each of the variance values by making available the plurality of switching signals to each of the associated plurality of converters.
摘要翻译：公开了一种在多个变压器之间平衡变压器通量的方法。多个变压器连接到多个转换器，每个变压器具有相关联的转换器。该方法包括确定参考通量值，测量每个变压器的实际通量值，以及相对于参考通量值和每个实际通量值之间的多个方差值来开发多个电压指令信号。响应于在与多个转换器进行信号通信的调制器处接收的电压指令信号，该方法通过产生多个切换信号来进行，以通过将多个切换信号提供给每个相关联的多个转换器。

7. 发明申请

US20080024114A1 METHOD AND SYSTEM FOR TRANSFORMER CONTROL 有权
标题翻译：变压器控制方法与系统
公开(公告)号：US20080024114A1
公开(公告)日：2008-01-31
申请号：US11460064
申请日：2006-07-26
申请人： Haiqing Weng , Kunlun Chen , Rajib Datta , Allen Michael Ritter
发明人： Haiqing Weng , Kunlun Chen , Rajib Datta , Allen Michael Ritter
IPC分类号： G01R15/18
CPC分类号： H01F27/42 , H01F27/34 , H01F2038/006 , H02M7/49
摘要： A method to balance transformer flux among a plurality of transformers is disclosed. The plurality of transformers is connected to a plurality of converters, each transformer having an associated converter. The method comprises determining a reference flux value, measuring an actual flux value for each transformer, and developing a plurality of voltage command signals in relation to a plurality of variance values between the reference flux value and each actual flux value. In response to the voltage command signals being received at a modulator in signal communication with the plurality of converters, the method proceeds by generating a plurality of switching signals to reduce each of the variance values by making available the plurality of switching signals to each of the associated plurality of converters.
摘要翻译：公开了一种在多个变压器之间平衡变压器通量的方法。多个变压器连接到多个转换器，每个变压器具有相关联的转换器。该方法包括确定参考通量值，测量每个变压器的实际通量值，以及相对于参考通量值和每个实际通量值之间的多个方差值来开发多个电压指令信号。响应于在与多个转换器进行信号通信的调制器处接收的电压指令信号，该方法通过产生多个切换信号来进行，以通过将多个切换信号提供给每个相关联的多个转换器。

8. 发明授权

US07787270B2 DC-DC and DC-AC power conversion system 失效
标题翻译： DC-DC和DC-AC电源转换系统
公开(公告)号：US07787270B2
公开(公告)日：2010-08-31
申请号：US11810825
申请日：2007-06-06
申请人： Ravisekhar NadimpalliRaju , Richard S. Zhang , Rajib Datta , Allen Michael Ritter , Ljubisa Dragoljub Stevanovic
发明人： Ravisekhar NadimpalliRaju , Richard S. Zhang , Rajib Datta , Allen Michael Ritter , Ljubisa Dragoljub Stevanovic
IPC分类号： H02M7/10
CPC分类号： H02J4/00 , H02M1/14 , H02M7/217 , H02M2001/007
摘要： A galvanic isolated DC-DC and DC-AC power conversion system is coupled to a plurality of DC sources which are derived from a combination of a plurality of single-phase and three-phase AC-DC converters. The DC-DC and DC-AC power conversion system in one embodiment is configured to provide mixed type outputs (mixed frequency, e.g. DC with 50 or 60 Hz, with 400 Hz; mixed voltage levels).
摘要翻译：电流隔离DC-DC和DC-AC电力转换系统耦合到从多个单相和三相AC-DC转换器的组合导出的多个DC源。一个实施例中的DC-DC和DC-AC电力转换系统被配置为提供混合型输出（混合频率，例如具有50Hz或60Hz的DC，具有400Hz;混合电压电平）。

9. 发明授权

US07679941B2 Power conversion system with galvanically isolated high frequency link 有权
标题翻译：电源转换系统采用电隔离高频链路
公开(公告)号：US07679941B2
公开(公告)日：2010-03-16
申请号：US11810837
申请日：2007-06-06
申请人： Ravisekhar Nadimpal Raju , Richard S. Zhang , Rajib Datta , Allen Michael Ritter , Ljubisa Dragoljub Stevanovic
发明人： Ravisekhar Nadimpal Raju , Richard S. Zhang , Rajib Datta , Allen Michael Ritter , Ljubisa Dragoljub Stevanovic
IPC分类号： H02M5/45
CPC分类号： H02M7/217 , H02M2001/0074 , H02M2001/009 , Y02B70/1483
摘要： A power conversion system has a three-phase AC input, where each AC input phase is linked to a string of cascaded single-phase AC-DC converters placed in series with a three-phase AC-DC converter. Each single-phase AC-DC converter in one embodiment includes a silicon carbide (SiC) pulse width modulated MOSFET H-bridge that placed in series with the three-phase AC-DC converter that includes a silicon (Si) SCR bridge. The single-phase AC-DC converters and the three-phase AC-DC converter together in one embodiment include a mixed silicon-carbide (SiC) and silicon (Si) device topology.
摘要翻译：电力转换系统具有三相AC输入，其中每个AC输入相位与串联的三相AC-DC转换器串联的级联单相AC-DC转换器串联。在一个实施例中，每个单相AC-DC转换器包括与包括硅（Si）SCR桥的三相AC-DC转换器串联放置的碳化硅（SiC）脉宽调制MOSFET H桥。在一个实施例中，单相AC-DC转换器和三相AC-DC转换器一起包括混合碳化硅（SiC）和硅（Si）器件拓扑。

10. 发明授权

US07911176B2 Systems and methods involving permanent magnet electric machine rotor position determination 有权
标题翻译：涉及永磁电机转子位置确定的系统和方法
公开(公告)号：US07911176B2
公开(公告)日：2011-03-22
申请号：US12182337
申请日：2008-07-30
申请人： Allen Michael Ritter , Rajib Datta , Luis J. Garces , Xianghui Huang
发明人： Allen Michael Ritter , Rajib Datta , Luis J. Garces , Xianghui Huang
IPC分类号： H02P23/00
CPC分类号： H02P6/185 , G01D5/2006
摘要： A method for determining rotor position comprising sending a signal to a stator, receiving a first signal indicative of a first estimated stator inductance, and receiving a second signal indicative of a second estimated stator inductance. The method further includes, calculating a first rotor position angle using a function including the first estimated stator inductance and the second estimated stator inductance.
摘要翻译：一种用于确定转子位置的方法，包括向定子发送信号，接收指示第一估计定子电感的第一信号，以及接收指示第二估计定子电感的第二信号。该方法还包括：使用包括第一估计定子电感和第二估计定子电感的功能来计算第一转子位置角度。

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