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11.发明授权Double-ended inverter drive system for a fuel cell vehicle and related operating method 有权燃料电池车用双端变频驱动系统及相关操作方法公开(公告)号：US08122985B2
公开(公告)日：2012-02-28
申请号：US12142651
申请日：2008-06-19
申请人： James M. Nagashima , Gregory S. Smith , Brian A. Welchko , Sibaprasad Chakrabarti , Milun Perisic , George John
发明人： James M. Nagashima , Gregory S. Smith , Brian A. Welchko , Sibaprasad Chakrabarti , Milun Perisic , George John
CPC分类号： B60L11/1881 , B60L11/1892 , B60L2210/20 , Y02T10/725 , Y02T90/34
摘要： Systems and methods are provided for a double-ended inverter drive system for a fuel cell vehicle. An electric drive system for a vehicle comprises an electric motor configured to provide traction power to the vehicle. A first inverter is coupled to the electric motor, and is configured to provide alternating current to the electric motor. A fuel cell is coupled to the first inverter to provide power flow from the fuel cell to the electric motor. A second inverter is coupled to the electric motor, and is configured to provide alternating current to the electric motor. An energy source is coupled to the second inverter to provide power flow between the energy source and the electric motor. A controller is coupled to the first inverter and the second inverter, and is configured to provide a constant power from the fuel cell during operation of the electric motor.
摘要翻译： 为燃料电池车辆的双端逆变器驱动系统提供系统和方法。 一种用于车辆的电驱动系统包括：电动机，其构造成为车辆提供牵引力。 第一逆变器耦合到电动机，并且被配置为向电动机提供交流电。 燃料电池耦合到第一逆变器以提供从燃料电池到电动机的动力流。 第二逆变器耦合到电动机，并且被配置为向电动机提供交流电。 能量源耦合到第二逆变器以在能量源和电动机之间提供功率流。 控制器耦合到第一逆变器和第二逆变器，并且被配置为在电动机的操作期间从燃料电池提供恒定的功率。
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12.发明授权公开(公告)号：US08026691B2
公开(公告)日：2011-09-27
申请号：US12132482
申请日：2008-06-03
申请人： James M. Nagashima , Brian A. Welchko , Sibaprasad Chakrabarti , Milun Perisic , Gregory S. Smith , George John
发明人： James M. Nagashima , Brian A. Welchko , Sibaprasad Chakrabarti , Milun Perisic , Gregory S. Smith , George John
IPC分类号： H02P27/04
CPC分类号： B60L11/1887 , B60L11/005 , B60L11/1892 , Y02T10/7022 , Y02T90/34
摘要： A double ended inverter system for an AC traction motor of a vehicle includes a fuel cell configured to provide a DC voltage, an impedance source inverter subsystem coupled to the fuel cell, a DC voltage source, and an inverter subsystem coupled to the DC voltage source. The impedance source inverter subsystem, which includes an ultracapacitor, is configured to drive the AC traction motor. The inverter subsystem is configured to drive the AC electric traction motor. The ultracapacitor is implemented in a crossed LC network coupled to the fuel cell.
摘要翻译： 一种用于车辆的交流牵引电动机的双端逆变器系统包括配置为提供直流电压的燃料电池，耦合到燃料电池的阻抗源逆变器子系统，直流电压源和耦合到直流电压源的逆变器子系统 。 包括超级电容器的阻抗源逆变器子系统被配置为驱动AC牵引电动机。 变频器子系统配置为驱动交流电牵引电动机。 超级电容器实现在耦合到燃料电池的交叉LC网络中。
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公开(公告)号：US20090033156A1
公开(公告)日：2009-02-05
申请号：US12106871
申请日：2008-04-21
申请人： Sibaprasad Chakrabarti , Gregory S. Smith , James M. Nagashima , Brian A. Welchko , Milun Perisic , George John
发明人： Sibaprasad Chakrabarti , Gregory S. Smith , James M. Nagashima , Brian A. Welchko , Milun Perisic , George John
IPC分类号： H02J3/00
CPC分类号： H02P4/00 , B60L11/1887 , B60L11/1892 , B60L2240/70 , Y02T10/642 , Y02T10/7291 , Y02T90/16 , Y02T90/34 , Y10T307/50 , Y10T307/707
摘要： Systems and methods are provided for controlling a double-ended inverter system coupled to a first energy source and a second energy source. The method comprises determining a constant power line associated with operation of the double-ended inverter system, the constant power line representing a desired power flow to the second energy source. The method further comprises determining an operating point on the constant power line, the operating point producing a minimum power loss in the double-ended inverter system for a required output current, and modulating the double-ended inverter system using a first voltage command and a second voltage command corresponding to the operating point.
摘要翻译： 提供的系统和方法用于控制耦合到第一能量源和第二能量源的双端逆变器系统。 该方法包括确定与双端逆变器系统的操作相关联的恒定电力线，恒定电力线表示到第二能量源的期望功率流。 该方法还包括确定恒定电源线上的工作点，工作点在双端逆变器系统中为所需输出电流产生最小功率损耗，以及使用第一电压指令和 对应于工作点的第二电压指令。
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公开(公告)号：US20090032316A1
公开(公告)日：2009-02-05
申请号：US12106875
申请日：2008-04-21
申请人： Sibaprasad Chakrabarti , Gregory S. Smith , James M. Nagashima , Brian A. Welchko , Milun Perisic , George John
发明人： Sibaprasad Chakrabarti , Gregory S. Smith , James M. Nagashima , Brian A. Welchko , Milun Perisic , George John
IPC分类号： B60K1/00
CPC分类号： B60K11/02 , B60L11/1861 , B60L15/02 , Y02T10/645 , Y02T10/7011 , Y02T10/7044 , Y02T10/705
摘要： Systems and methods are provided for an inverter system for use in a vehicle having a first energy source and a second energy source. The system comprises a motor having a first set of windings and a second set of windings. The first set of windings is electrically isolated from the second set of windings. The system further comprises a first inverter coupled to the first energy source and adapted to drive the motor, wherein the first set of windings are coupled to the first inverter. The system also comprises a second inverter coupled to the second energy source and adapted to drive the motor, wherein the second set of windings are coupled to the second inverter. A controller is coupled to the first inverter and the second inverter.
摘要翻译： 提供了一种用于具有第一能量源和第二能量源的车辆中的逆变器系统的系统和方法。 该系统包括具有第一组绕组和第二组绕组的马达。 第一组绕组与第二组绕组电隔离。 该系统还包括耦合到第一能量源并适于驱动电动机的第一逆变器，其中第一组绕组耦合到第一逆变器。 该系统还包括耦合到第二能量源并适于驱动电动机的第二逆变器，其中第二组绕组耦合到第二逆变器。 控制器耦合到第一反相器和第二反相器。
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公开(公告)号：US07616466B2
公开(公告)日：2009-11-10
申请号：US11853873
申请日：2007-09-12
申请人： Sibaprasad Chakrabarti , Silva Hiti , George John , Gregory S. Smith , Milun Perisic , Gholamreza Esmaili
发明人： Sibaprasad Chakrabarti , Silva Hiti , George John , Gregory S. Smith , Milun Perisic , Gholamreza Esmaili
IPC分类号： H02M7/5387 , H02P27/04
CPC分类号： H02M7/5395
摘要： An inverter circuit couples a DC voltage source having a primary side and a reference side to an electric motor or other AC machine having multiple electrical phases. An inverter circuit includes switches, diodes and a controller. For each of the electrical phases, a first switch couples the electrical phase to the primary side of the DC voltage source and a second switch couples the electrical phase with the reference side of the DC voltage source. For each of the first and second switches, an associated anti-parallel diode is configured to provide an electrical path when the switch associated with the diode is inactive. The controller is coupled to the switching inputs of each of the first and second switches and is configured to provide a control signal thereto, wherein the control signal provided to each switch comprises, in a low frequency mode, a first portion and a second portion, wherein the first portion comprises a first pulse width modulation scheme and the second portion comprises a second pulse width modulation scheme different from the first modulation scheme.
摘要翻译： 逆变器电路将具有初级侧和参考侧的DC电压源耦合到具有多个电相的电动机或其它AC电机。 逆变器电路包括开关，二极管和控制器。 对于每个电相，第一开关将电相耦合到DC电压源的初级侧，而第二开关将电相与DC电压源的参考侧耦合。 对于第一和第二开关中的每一个，相关联的反并联二极管被配置为当与二极管相关联的开关不活动时提供电路径。 控制器耦合到第一和第二开关中的每一个的开关输入，并且被配置为向其提供控制信号，其中提供给每个开关的控制信号在低频模式下包括第一部分和第二部分， 其中所述第一部分包括第一脉冲宽度调制方案，并且所述第二部分包括不同于所述第一调制方案的第二脉冲宽度调制方案。
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公开(公告)号：US20090067203A1
公开(公告)日：2009-03-12
申请号：US11853873
申请日：2007-09-12
申请人： Sibaprasad Chakrabarti , Silva Hiti , George John , Gregory S. Smith , Milun Perisic , Gholamreza Esmaili
发明人： Sibaprasad Chakrabarti , Silva Hiti , George John , Gregory S. Smith , Milun Perisic , Gholamreza Esmaili
CPC分类号： H02M7/5395
摘要： An inverter circuit couples a DC voltage source having a primary side and a reference side to an electric motor or other AC machine having multiple electrical phases. An inverter circuit includes switches, diodes and a controller. For each of the electrical phases, a first switch couples the electrical phase to the primary side of the DC voltage source and a second switch couples the electrical phase with the reference side of the DC voltage source. For each of the first and second switches, an associated anti-parallel diode is configured to provide an electrical path when the switch associated with the diode is inactive. The controller is coupled to the switching inputs of each of the first and second switches and is configured to provide a control signal thereto, wherein the control signal provided to each switch comprises, in a low frequency mode, a first portion and a second portion, wherein the first portion comprises a first pulse width modulation scheme and the second portion comprises a second pulse width modulation scheme different from the first modulation scheme.
摘要翻译： 逆变器电路将具有初级侧和参考侧的DC电压源耦合到具有多个电相的电动机或其它AC电机。 逆变器电路包括开关，二极管和控制器。 对于每个电相，第一开关将电相耦合到DC电压源的初级侧，而第二开关将电相与DC电压源的参考侧耦合。 对于第一和第二开关中的每一个，相关联的反并联二极管被配置为当与二极管相关联的开关不活动时提供电路径。 控制器耦合到第一和第二开关中的每一个的开关输入，并且被配置为向其提供控制信号，其中提供给每个开关的控制信号在低频模式下包括第一部分和第二部分， 其中所述第一部分包括第一脉冲宽度调制方案，并且所述第二部分包括不同于所述第一调制方案的第二脉冲宽度调制方案。
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17.发明授权Method and system for operating an electric motor coupled to multiple power supplies 有权用于操作耦合到多个电源的电动马达的方法和系统公开(公告)号：US07800331B2
公开(公告)日：2010-09-21
申请号：US11945368
申请日：2007-11-27
IPC分类号： H02P1/00
CPC分类号： H02P27/08 , H02P2209/03 , Y02T10/7258
摘要： Methods and systems are provided for operating an electric motor having at least one winding coupled to first and second power supplies. A torque command for the electric motor is received. A present power reserve for the first and second power supplies is determined based at least in part on the torque command. An operating voltage for the second power supply is determined based on the present power reserve. The operating voltage for the second power supply is applied to the at least one winding. The application of the operating voltage allowing the present power reserve to flow between the first and second power supplies and the motor.
摘要翻译： 提供了用于操作具有耦合到第一和第二电源的至少一个绕组的电动机的方法和系统。 接收到电动机的转矩指令。 至少部分地基于转矩指令来确定用于第一和第二电源的当前功率储备。 基于当前动力储备来确定第二电源的工作电压。 第二电源的工作电压被施加到至少一个绕组。 施加允许当前功率储备在第一和第二电源和电动机之间流动的工作电压。
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公开(公告)号：US20090026895A1
公开(公告)日：2009-01-29
申请号：US11829275
申请日：2007-07-27
申请人： Sibaprasad Chakrabarti , Silva Hiti
发明人： Sibaprasad Chakrabarti , Silva Hiti
CPC分类号： H02K3/28 , H02K11/33 , Y02T10/7258
摘要： Electric motor systems are provided for use in vehicles. In an embodiment, by way of example only, the system includes a first inverter, a second inverter, and a motor electrically coupled to the first and the second inverters. The motor includes a stator including a plurality of slots formed therein and a plurality of windings. The plurality of windings is disposed at least partially in the slots, and each winding includes a first coil and a second coil. The first coil has a first number of turns, and the second coil has a second number of turns that is unequal to the first number of turns. The first coil of each winding is electrically coupled to the first inverter, and the second coil of each winding is electrically coupled to the second inverter.
摘要翻译： 提供电动机系统用于车辆。 在一个实施例中，仅作为示例，该系统包括电耦合到第一和第二逆变器的第一逆变器，第二逆变器和电动机。 电动机包括定子，其包括形成在其中的多个槽和多个绕组。 多个绕组至少部分地设置在槽中，并且每个绕组包括第一线圈和第二线圈。 第一线圈具有第一圈数，并且第二线圈具有不等于第一圈数的第二圈数。 每个绕组的第一线圈电耦合到第一反相器，并且每个绕组的第二线圈电耦合到第二反相器。
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公开(公告)号：US08390228B2
公开(公告)日：2013-03-05
申请号：US12635313
申请日：2009-12-10
IPC分类号： H02P7/00
CPC分类号： H02P21/06 , H02P21/141
摘要： A method for controlling an induction machine having a rotor includes the steps of obtaining a torque command, calculating an estimated squared value of resistance of the rotor using the torque command, determining an offset for the resistance of the rotor, and generating an updated measure of rotor resistance using the estimated squared value and the offset.
摘要翻译： 一种用于控制具有转子的感应电机的方法包括以下步骤：获得转矩指令，使用转矩指令计算转子的电阻的估计平方值，确定转子电阻的偏移量，并产生更新的测量值 转子电阻使用估计的平方值和偏移量。
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公开(公告)号：US20110140646A1
公开(公告)日：2011-06-16
申请号：US12635313
申请日：2009-12-10
IPC分类号： H02P23/14
CPC分类号： H02P21/06 , H02P21/141
摘要： A method for controlling an induction machine having a rotor includes the steps of obtaining a torque command, calculating an estimated squared value of resistance of the rotor using the torque command, determining an offset for the resistance of the rotor, and generating an updated measure of rotor resistance using the estimated squared value and the offset.
摘要翻译： 一种用于控制具有转子的感应电机的方法包括以下步骤：获得转矩指令，使用转矩指令计算转子的电阻的估计平方值，确定转子电阻的偏移量，并产生更新的测量值 转子电阻使用估计的平方值和偏移量。
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