公开(公告)号：US08228014B2

公开(公告)日：2012-07-24

申请号：US12512156

申请日：2009-07-30

申请人： Seok Jang ,  Christopher P. Henze ,  George R. Woody

发明人： Seok Jang ,  Christopher P. Henze ,  George R. Woody

IPC分类号： H02P31/00

CPC分类号： H02M3/1584

摘要： A method and an apparatus are provided for balancing current for each of a plurality of similar phases of a DC/DC boost converter. The method includes the step of measuring a voltage drop of each of the plurality of similar phases at predetermined times by measuring the voltage drop across each phase switching device when current is flowing through the switch. The method also includes the steps of calculating current information for each of the plurality of similar phases in response to the voltage drop measured for each of the plurality of similar phases and balancing current for each of the plurality of similar phases in response to the current information of each of the plurality of similar phases.

摘要翻译： 提供了一种用于平衡DC / DC升压转换器的多个相似相位中的每一个的电流的方法和装置。 该方法包括以下步骤：当电流流过开关时，通过测量每个相位切换装置上的电压降来在预定时间测量多个相似相位中的每一个的电压降。 该方法还包括以下步骤：响应于针对多个相似相中的每一个测量的电压降以及响应于当前信息平衡多个相似相位中的每一个的电流而计算多个相似相位中的每一个的当前信息 的多个相似相中的每一个。

公开(公告)号：US20110025248A1

公开(公告)日：2011-02-03

申请号：US12512156

申请日：2009-07-30

申请人： SEOK-JOO JANG ,  CHRISTOPHER P. HENZE ,  GEORGE R. WOODY

发明人： SEOK-JOO JANG ,  CHRISTOPHER P. HENZE ,  GEORGE R. WOODY

IPC分类号： H02P31/00 ,  G05F1/00

CPC分类号： H02M3/1584

摘要： A method and an apparatus are provided for balancing current for each of a plurality of similar phases of a DC/DC boost converter. The method includes the step of measuring a voltage drop of each of the plurality of similar phases at predetermined times by measuring the voltage drop across each phase switching device when current is flowing through the switch. The method also includes the steps of calculating current information for each of the plurality of similar phases in response to the voltage drop measured for each of the plurality of similar phases and balancing current for each of the plurality of similar phases in response to the current information of each of the plurality of similar phases.

摘要翻译： 提供了一种用于平衡DC / DC升压转换器的多个相似相位中的每一个的电流的方法和装置。 该方法包括以下步骤：当电流流过开关时，通过测量每个相位切换装置上的电压降来在预定时间测量多个相似相位中的每一个的电压降。 该方法还包括以下步骤：响应于针对多个相似相中的每一个测量的电压降以及响应于当前信息平衡多个相似相位中的每一个的电流而计算多个相似相位中的每一个的当前信息 的多个相似相中的每一个。

公开(公告)号：US20100102638A1

公开(公告)日：2010-04-29

申请号：US12256808

申请日：2008-10-23

申请人： KEMING CHEN ,  CHRISTOPHER P. HENZE ,  STEPHEN RAISER ,  GEORGE R. WOODY

发明人： KEMING CHEN ,  CHRISTOPHER P. HENZE ,  STEPHEN RAISER ,  GEORGE R. WOODY

IPC分类号： H01H79/00

CPC分类号： B60L3/0046 ,  B60L3/04 ,  Y10T307/76

摘要： Systems and methods are provided for discharging a high-voltage bus using semiconductor devices. A discharge system for a first voltage rail and a second voltage rail comprises a first semiconductor device coupled to a first voltage rail and a second semiconductor device coupled between the first semiconductor device and a second voltage rail. A control circuit is coupled to the first semiconductor device and the second semiconductor device. In response to a discharge condition, the control circuit is configured to activate the first semiconductor device and gradually activate the second semiconductor device, such that the energy potential between the first voltage rail and the second voltage rail is gradually dissipated through the semiconductor devices.

摘要翻译： 提供了使用半导体器件对高压总线进行放电的系统和方法。 用于第一电压轨和第二电压轨的放电系统包括耦合到第一电压轨的第一半导体器件和耦合在第一半导体器件与第二电压轨之间的第二半导体器件。 控制电路耦合到第一半导体器件和第二半导体器件。 响应于放电条件，控制电路被配置为激活第一半导体器件并逐渐激活第二半导体器件，使得第一电压轨和第二电压轨之间的能量电势通过半导体器件逐渐消散。

公开(公告)号：US07253584B2

公开(公告)日：2007-08-07

申请号：US10637815

申请日：2003-08-08

申请人： James P. Souther ,  Eugene M. Steele ,  Karl D. Conroy ,  Raymond G. Radys ,  Christopher P. Henze

发明人： James P. Souther ,  Eugene M. Steele ,  Karl D. Conroy ,  Raymond G. Radys ,  Christopher P. Henze

IPC分类号： H02J7/00

CPC分类号： B60L11/1851 ,  Y02T10/7005 ,  Y02T10/705

摘要： Methods and apparatus are provided for charging a high-voltage battery of a hybrid electric vehicle. The high-voltage battery charging apparatus comprises a battery charger configured to provide electrical energy, a battery module configured to store the electrical energy provided by the battery charger, and a high-voltage bus coupled to the battery charger and the battery module, which is configured to transmit the electrical energy from the battery charger and battery module to the electrical system of the hybrid electric vehicle. In addition, the high-voltage battery charging apparatus comprises a bus contactor interposed between the high-voltage bus and the battery charger, which is bus contactor configured to provide a first substantial electrical isolation between the battery charger and the high-voltage bus during a charging period of the battery module. Furthermore, the high-voltage battery charging apparatus comprises an isolation mechanism interposed between the battery charger and the high-voltage bus and also interposed between battery charger and the battery module, which is configured to provide a second substantial electrical isolation between the battery charger, the battery module, and the high voltage bus during a non-charging period of the battery module.

摘要翻译： 提供了用于对混合电动车辆的高压电池充电的方法和装置。 高电压电池充电装置包括被配置为提供电能的电池充电器，被配置为存储由电池充电器提供的电能的电池模块和耦合到电池充电器和电池模块的高压母线，其是 被配置为将电能从电池充电器和电池模块传输到混合电动车辆的电气系统。 此外，高电压电池充电装置包括插在高压母线和电池充电器之间的总线接触器，该总线接触器被配置为在电池充电器和高压母线之间提供第一实质电气隔离 电池模块的充电周期。 此外，高电压电池充电装置包括插入在电池充电器和高压母线之间并且还插入在电池充电器和电池模块之间的隔离机构，其被配置为在电池充电器和电池充电器之间提供第二实质电隔离， 电池模块和电池模块的非充电期间的高电压总线。

公开(公告)号：US06624600B1

公开(公告)日：2003-09-23

申请号：US10099596

申请日：2002-03-13

申请人： Christopher P. Henze

发明人： Christopher P. Henze

IPC分类号： G05F100

CPC分类号： H05B41/3924 ,  H05B41/3921

摘要： A lamp power measurement circuit measures average power delivered to a gas discharge lamp. The circuit includes a voltage sensor having a first measurement output representative of AC voltage across the lamp and a current sensor having a second measurement output representative of AC current through the lamp. A first absolute value circuit is coupled in series with the first measurement output and has a first absolute value output. A second absolute value circuit is coupled in series with the second measurement output and has a second absolute value output. A pulse width modulator modulates one of the first and second absolute value outputs with the other of the first and second absolute value outputs and has a pulse width modulated output. A low-pass filter is coupled in series with the pulse width modulated output and has a DC voltage output representative of average power dissipated through the lamp.

摘要翻译： 灯功率测量电路测量输送到气体放电灯的平均功率。 电路包括电压传感器，其具有表示灯两端的AC电压的第一测量输出和具有表示通过灯的AC电流的第二测量输出的电流传感器。 第一绝对值电路与第一测量输出串联耦合并且具有第一绝对值输出。 第二绝对值电路与第二测量输出串联耦合并且具有第二绝对值输出。 脉冲宽度调制器利用第一和第二绝对值输出中的另一个调制第一绝对值输出和第二绝对值输出中的一个并具有脉宽调制输出。 低通滤波器与脉冲宽度调制输出串联耦合，具有代表通过灯消耗的平均功率的直流电压输出。

公开(公告)号：US06548985B1

公开(公告)日：2003-04-15

申请号：US10104138

申请日：2002-03-22

申请人： John G. Hayes ,  Christopher P. Henze ,  Ray G. Radys

发明人： John G. Hayes ,  Christopher P. Henze ,  Ray G. Radys

IPC分类号： H01M1046

CPC分类号： H02M1/4258 ,  B60L11/1812 ,  B60L11/182 ,  B60L11/1829 ,  B60L2210/30 ,  B60L2210/40 ,  H02J7/022 ,  H02M1/10 ,  H02M3/337 ,  Y02T10/7005 ,  Y02T10/7072 ,  Y02T10/7241 ,  Y02T10/92 ,  Y02T90/12 ,  Y02T90/121 ,  Y02T90/122 ,  Y02T90/125 ,  Y02T90/127 ,  Y02T90/14

摘要： An inductive charger includes a rectifier that can be connected to both single- and three-phase power sources. The rectifier includes first, second and third legs that include first and second diodes. Alternately, the third leg includes first and second silicon-controlled rectifiers. A capacitor is connected across an output of the rectifier. An inverter is connected to the rectifier and the capacitor and includes a plurality of switching circuits. A series resonant tank circuit is connected to an output of the inverter. A charge coupler and an inductive inlet include a transformer and a parallel resonant tank circuit for coupling energy to a load. A controller is connected to the rectifier and the inverter. The controller generates drive signals for controlling the switching circuits. The inductive charger is capable of providing approximately 0.99 power factor from single-phase and 0.91 power factor at twice the output power from three-phase power sources.

摘要翻译： 感应充电器包括可连接到单相和三相电源的整流器。 整流器包括包括第一和第二二极管的第一，第二和第三支脚。 或者，第三腿包括第一和第二硅控整流器。 电容器连接在整流器的输出端。 逆变器连接到整流器和电容器，并且包括多个开关电路。 串联谐振回路连接到逆变器的输出端。 电荷耦合器和感应入口包括变压器和用于将能量耦合到负载的并联谐振回路。 控制器连接到整流器和逆变器。 控制器产生用于控制开关电路的驱动信号。 感应充电器能够从三相电源的两倍输出功率提供约0.99功率因数，单相和0.91功率因数。

公开(公告)号：US5803215A

公开(公告)日：1998-09-08

申请号：US787208

申请日：1997-01-22

申请人： Christopher P. Henze ,  Kenneth E. Nicholls

发明人： Christopher P. Henze ,  Kenneth E. Nicholls

IPC分类号： B60L11/18 ,  H02J7/00

CPC分类号： B60L11/1842 ,  B60L11/1811 ,  B60L11/1816 ,  B60L11/182 ,  B60L11/1824 ,  H02J7/0004 ,  H02J7/0013 ,  H02J7/0027 ,  Y02E60/721 ,  Y02T10/7005 ,  Y02T10/7055 ,  Y02T10/7072 ,  Y02T10/92 ,  Y02T90/121 ,  Y02T90/122 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/163 ,  Y04S10/126

摘要： A method and apparatus for charging batteries of a plurality of vehicles includes a power source converter connectable to a power source to receive electrical power and for converting the electrical power to a selected voltage potential that is distributed on a distribution bus. A plurality of vehicle connecting stations are connected to the distribution bus. Each vehicle connecting station includes a station power converter for receiving electrical power from the power source converter for charging the battery and a station controller to control electrical power flow to the vehicle battery.

摘要翻译： 一种用于对多个车辆的电池充电的方法和装置包括可连接到电源以接收电力并将电功率转换成分配在分配总线上的选定电压电位的电源转换器。 多个车辆连接站连接到分配总线。 每个车辆连接站包括用于从用于对电池充电的电源转换器接收电力的站功率转换器和用于控制到车辆电池的电力流量的站控制器。

公开(公告)号：US08827017B2

公开(公告)日：2014-09-09

申请号：US13435816

申请日：2012-03-30

申请人： Robert N. Neddermeyer, III ,  Gregory R. Truckenbrod ,  Matthew S. Nelson ,  Ashok Muralidhar ,  Christopher P. Henze

发明人： Robert N. Neddermeyer, III ,  Gregory R. Truckenbrod ,  Matthew S. Nelson ,  Ashok Muralidhar ,  Christopher P. Henze

IPC分类号： B60W10/04

CPC分类号： H02H9/02 ,  B60H1/00978 ,  B60H1/3232 ,  B60P3/20 ,  H02H9/08

摘要： A mobile environment-controlled unit, such as an over-the-road compartment trailer, having an environmental-control system, such as a refrigeration unit, powered by an alternator and having a high-voltage alternating current (AC) bus. The unit incorporates a high resistance ground scheme and can incorporate a solid-state input module to detect phase-chassis faults. This combination provides an improvement in protection for mobile applications that cannot have a voltage reference (or neutral point) solidly connected to earth ground.

摘要翻译： 具有由交流发电机供电且具有高压交流（AC）总线的环境控制系统（诸如制冷单元）的移动环境控制单元，例如越野车厢拖车。 该单元结合了高电阻接地方案，并且可以并入一个固态输入模块来检测相位故障。 这种组合提供了对不能将电压基准（或中性点）牢固地连接到地面的移动应用的保护的改进。

公开(公告)号：US08058743B2

公开(公告)日：2011-11-15

申请号：US12241398

申请日：2008-09-30

申请人： Keming Chen ,  Christopher P. Henze ,  George R. Woody

发明人： Keming Chen ,  Christopher P. Henze ,  George R. Woody

IPC分类号： B60L1/00

CPC分类号： B60L1/00 ,  B60L2210/14 ,  Y02T10/7225 ,  Y10T307/406

摘要： Systems and/or apparatus are provided for automotive electrical systems having power converters that are coupled by using a transformer. An electrical system comprises a boost converter, wherein a first winding of a transformer is coupled between the input node of the boost converter and a first reference node. The boost converter further includes a switch coupled between the first reference node and a second reference node and a diode coupled between the first reference node and the output node of the boost converter. An energy source is coupled between the input node and the second reference node and a first electrical load is coupled between the output node and the second reference node. The electrical system further comprises a voltage converter having an input coupled to a second winding of the transformer, and a second electrical load coupled to the output of the voltage converter.

摘要翻译： 为具有通过使用变压器耦合的功率转换器的汽车电气系统提供系统和/或设备。 电气系统包括升压转换器，其中变压器的第一绕组耦合在升压转换器的输入节点和第一参考节点之间。 升压转换器还包括耦合在第一参考节点和第二参考节点之间的开关以及耦合在升压转换器的第一参考节点和输出节点之间的二极管。 能量源耦合在输入节点和第二参考节点之间，并且第一电负载耦合在输出节点和第二参考节点之间。 电气系统还包括电压转换器，其具有耦合到变压器的第二绕组的输入端和耦合到电压转换器的输出的第二电负载。

公开(公告)号：US07224559B2

公开(公告)日：2007-05-29

申请号：US10850769

申请日：2004-05-21

申请人： Christopher P. Henze ,  Rohit K. Tirumala

发明人： Christopher P. Henze ,  Rohit K. Tirumala

IPC分类号： H02H3/00

CPC分类号： H02H3/332 ,  B60L3/0023 ,  B60L3/0069

摘要： A detection circuit detects a difference between a source current and a return current. The detection circuit includes a constantly biased magnetic core through which conductors of the source and return currents extend, and a sense winding around the core. The sense winding carries an AC signal. A sensing circuit connected with the sense winding senses a change in small signal impedance of the sense winding relative to the core. This detection circuit can be used to protect people and equipment against accidental contact with high-voltage DC systems.

摘要翻译： 检测电路检测源极电流和回流电流之间的差异。 检测电路包括恒定偏置的磁芯，源极和返回电流的导体通过该磁芯延伸，以及围绕芯的感测绕组。 感测绕组承载交流信号。 与感测绕组连接的感测电路感测感测绕组相对于芯的小信号阻抗的变化。 该检测电路可用于保护人员和设备免受高压直流系统的意外接触。