公开(公告)号：US20100067270A1

公开(公告)日：2010-03-18

申请号：US12210854

申请日：2008-09-15

申请人： Arthur B. Odell

发明人： Arthur B. Odell

IPC分类号： H02M1/42 ,  H02M1/12

CPC分类号： H02M1/12 ,  H02M1/4225 ,  H02M3/156 ,  Y02B70/126

摘要： A method and apparatus for controlling a power converter. In one aspect, a controller for use in a power converter includes a first calculator coupled to determine an end of an on time of a power switch of the power converter by integrating an input current to output an on time signal representative of the end of the on time of the power switch. The controller also includes a second calculator coupled to determine an end of an off time of the power switch by integrating a difference between an input voltage and an output voltage to output an off time signal representative of the end of the off time of the power switch.

摘要翻译： 一种用于控制功率转换器的方法和装置。 一方面，用于功率转换器的控制器包括第一计算器，其耦合以通过积分输入电流来确定功率转换器的功率开关的导通时间的结束，以输出表示所述功率转换器的结束的导通时间信号 电源开关接通时间。 控制器还包括第二计算器，其耦合以通过积分输入电压和输出电压之间的差来确定功率开关的关闭时间的结束，以输出表示电源开关的关闭时间结束的关闭时间信号 。

公开(公告)号：US07564334B2

公开(公告)日：2009-07-21

申请号：US11857384

申请日：2007-09-18

申请人： Arthur B. Odell ,  Chan Woong Park

发明人： Arthur B. Odell ,  Chan Woong Park

IPC分类号： H01F27/28

CPC分类号： H02M3/00 ,  H01F17/043 ,  H01F27/306 ,  H01F27/34 ,  H01F27/341 ,  H01F27/38 ,  H01F27/385 ,  H01F29/02 ,  H01F30/06 ,  H01F30/10 ,  H01F38/42 ,  H01F2038/026 ,  H02M1/44 ,  H02M3/335

摘要： A transformer having input and output windings. A sample transformer includes an input winding wound around a core. The input winding has a first end and a second end. An output winding is also wound around the core. The output winding has a first end and a second end. The input winding is capacitively coupled to the output winding to provide a transfer of energy from the input winding to the output winding. A balancing winding is also wound around the core. The balancing winding has a first end and a second end. The first end of the balancing winding is electrically coupled to the first end of the input winding. The second end of the balancing winding is uncoupled such that a dot polarity of the balancing winding is to oppose an electrostatic field to be generated by the input winding relative to the output winding.

摘要翻译： 具有输入和输出绕组的变压器。 样品变压器包括缠绕在芯上的输入绕组。 输入绕组具有第一端和第二端。 输出绕组也缠绕在芯上。 输出绕组具有第一端和第二端。 输入绕组电容耦合到输出绕组，以提供从输入绕组到输出绕组的能量传递。 平衡绕组也缠绕在芯上。 平衡绕组具有第一端和第二端。 平衡绕组的第一端电耦合到输入绕组的第一端。 平衡绕组的第二端分离，使得平衡绕组的点极性相对于由输入绕组相对于输出绕组产生的静电场。

公开(公告)号：US07403402B2

公开(公告)日：2008-07-22

申请号：US11724004

申请日：2007-03-13

申请人： Arthur B. Odell ,  Richard L. Hester ,  Jason E. Cuadra

发明人： Arthur B. Odell ,  Richard L. Hester ,  Jason E. Cuadra

IPC分类号： H02M3/335

CPC分类号： H02M3/335 ,  H02M3/33538 ,  H02M3/33569

摘要： A technique for extending the operating range of a flyforward converter to low input voltages. In one aspect, power converter includes a positive input supply rail and a negative input supply rail. A power converter input voltage is to be applied between the positive and negative input supply rails. A flyback energy transfer element having a flyback input winding and a forward energy transfer element having a forward input winding are also included. The flyback and forward input windings are coupled between the positive and negative input supply rails. Voltage control circuitry coupled to the forward energy transfer element is also included to reduce a voltage across the forward input winding, substantially to zero, when the power converter input voltage falls below a first threshold value.

摘要翻译： 一种用于将快速转换器的工作范围扩展到低输入电压的技术。 一方面，功率转换器包括正输入电源轨和负输入电源轨。 电源转换器输入电压要施加在正负输入电源轨之间。 还包括具有回扫输入绕组和具有正向输入绕组的正向能量转移元件的反激式能量转移元件。 反激式和正向输入绕组耦合在正和负输入电源轨之间。 还包括耦合到正向能量转移元件的电压控制电路，以便当功率转换器输入电压降到低于第一阈值时，将正向输入绕组两端的电压基本上降至零。

公开(公告)号：US07276999B2

公开(公告)日：2007-10-02

申请号：US11634455

申请日：2006-12-04

申请人： Arthur B. Odell ,  Chan Woong Park

发明人： Arthur B. Odell ,  Chan Woong Park

IPC分类号： H01F27/28 ,  H01F27/24

CPC分类号： H02M3/00 ,  H01F17/043 ,  H01F27/306 ,  H01F27/34 ,  H01F27/341 ,  H01F27/38 ,  H01F27/385 ,  H01F29/02 ,  H01F30/06 ,  H01F30/10 ,  H01F38/42 ,  H01F2038/026 ,  H02M1/44 ,  H02M3/335

摘要： An energy transfer element having windings. In one aspect, the energy transfer element includes a first winding wound around a core, the first winding has a first end and a second end. A second winding is wound around the core. The second winding has a first end and a second end. The first winding is capacitively coupled to the second winding to provide a transfer of energy from the first winding to the second winding. A third winding is wound around the core. The third winding has a first end and a second end. The first end of the third winding is electrically coupled to the first end of the second winding. The second end of the third winding is uncoupled such that an influence of an electrostatic field to be produced by the first and second windings relative to the core are to be cancelled by an electrostatic field to be created by the third winding.

公开(公告)号：US07193870B2

公开(公告)日：2007-03-20

申请号：US11191697

申请日：2005-07-28

申请人： Arthur B. Odell

发明人： Arthur B. Odell

IPC分类号： H02H7/122

CPC分类号： H02M1/34 ,  H02M3/335 ,  H02M3/33569 ,  H02M2001/344

摘要： Dissipative clamping apparatuses and methods for electrical circuits. In one aspect of the invention, In one aspect of the invention, a method includes switching a power supply input on an energy transfer element, regulating a power supply output by switching the power supply input on the energy transfer element, clamping a voltage on the energy transfer element to a clamp voltage and varying the clamp voltage in response to the power supply input. In another aspect, an electrical circuit includes a dissipative clamp circuit coupled to an input of the electrical circuit. An inductive element is coupled between the dissipative clamp circuit and an output of the electrical circuit. A switch is coupled in series with the inductive element. The dissipative clamp circuit is coupled to provide a clamp voltage across the inductive element, the clamp voltage is provided by the dissipative clamp circuit responsive to conditions at the input of the electrical circuit, the dissipative clamp circuit is coupled to maintain a voltage across the switch below a switch voltage limit.

摘要翻译： 用于电路的耗散夹紧装置和方法。 在本发明的一个方面，在本发明的一个方面，一种方法包括切换能量传递元件上的电源输入，通过切换能量传递元件上的电源输入来调节电源输出，钳位电压 能量传递元件到钳位电压并响应于电源输入而改变钳位电压。 在另一方面，电路包括耦合到电路输入的耗散钳位电路。 电感元件耦合在耗散钳位电路和电路的输出之间。 开关与电感元件串联耦合。 耗散钳位电路被耦合以在电感元件上提供钳位电压，钳位电压由消耗钳位电路提供，响应于电路输入端的条件，耗散钳位电路被耦合以保持开关两端的电压 低于开关电压限制。

公开(公告)号：US07164338B2

公开(公告)日：2007-01-16

申请号：US11249848

申请日：2005-10-13

申请人： Arthur B. Odell ,  Chan Woong Park

发明人： Arthur B. Odell ,  Chan Woong Park

IPC分类号： H01F27/28 ,  H01F27/24

CPC分类号： H02M3/00 ,  H01F17/043 ,  H01F27/306 ,  H01F27/34 ,  H01F27/341 ,  H01F27/38 ,  H01F27/385 ,  H01F29/02 ,  H01F30/06 ,  H01F30/10 ,  H01F38/42 ,  H01F2038/026 ,  H02M1/44 ,  H02M3/335

摘要： An energy transfer element having an energy transfer element input winding and an energy transfer element output winding. In one aspect, the energy transfer element input winding is capacitively coupled to the energy transfer element output winding. The energy transfer element is capacitively coupled to electrical earth. One or more additional windings are introduced as part of the energy transfer element. The one or more additional windings substantially reduce capacitive displacement current between the energy transfer element input winding and energy transfer element output winding by balancing the relative electrostatic fields generated between these windings and/or between the energy transfer element and electrical earth by canceling the electrostatic fields generated by all windings within the energy transfer element relative to electrical earth through the selection of the physical position and number of turns in the additional windings.

摘要翻译： 能量传递元件具有能量转移元件输入绕组和能量传递元件输出绕组。 在一个方面，能量传递元件输入绕组电容耦合到能量传递元件输出绕组。 能量传递元件电容耦合到电气接地。 作为能量传递元件的一部分引入一个或多个附加绕组。 一个或多个附加绕组通过平衡在这些绕组之间产生的相对静电场和/或能量转移元件与电气地球之间的静电场的平衡，基本上减小了能量传递元件输入绕组和能量传递元件输出绕组之间的容性位移电流 通过选择附加绕组中的物理位置和匝数，相对于电气接地，能量传递元件内的所有绕组产生。

公开(公告)号：US07061778B2

公开(公告)日：2006-06-13

申请号：US10862223

申请日：2004-06-07

申请人： Arthur B. Odell ,  Richard L. Hester ,  Jason E. Cuadra

发明人： Arthur B. Odell ,  Richard L. Hester ,  Jason E. Cuadra

IPC分类号： H02M3/335

CPC分类号： H02M3/335 ,  H02M3/33538 ,  H02M3/33569

摘要： A technique for extending the operating range of a flyforward converter to low input voltages. In one aspect, power converter includes a positive input supply rail and a negative input supply rail. A power converter input voltage is to be applied between the positive and negative input supply rails. A flyback energy transfer element having a flyback input winding and a forward energy transfer element having a forward input winding are also included. The flyback and forward input windings are coupled between the positive and negative input supply rails. Voltage control circuitry coupled to the forward energy transfer element is also included to reduce a voltage across the forward input winding, substantially to zero, when the power converter input voltage falls below a first threshold value.

摘要翻译： 一种用于将快速转换器的工作范围扩展到低输入电压的技术。 一方面，功率转换器包括正输入电源轨和负输入电源轨。 电源转换器输入电压要施加在正负输入电源轨之间。 还包括具有回扫输入绕组和具有正向输入绕组的正向能量转移元件的反激式能量转移元件。 反激式和正向输入绕组耦合在正和负输入电源轨之间。 还包括耦合到正向能量转移元件的电压控制电路，以便当功率转换器输入电压降到低于第一阈值时，将正向输入绕组两端的电压基本上降至零。

公开(公告)号：US06980451B2

公开(公告)日：2005-12-27

申请号：US10816069

申请日：2004-03-30

申请人： Arthur B. Odell

发明人： Arthur B. Odell

IPC分类号： H02J1/00 ,  H02M1/00 ,  H02M1/10 ,  H02M7/06 ,  H02M7/04

CPC分类号： H02J7/0016 ,  H02M1/10 ,  H02M1/32 ,  H02M2001/0032 ,  H02M2001/0048 ,  Y02B70/1491 ,  Y02B70/16

摘要： A circuit that provides a method and apparatus to actively balance capacitor leakage current from series stacked capacitors and disconnects itself when stacked capacitors are configured for doubler operation. In one embodiment, the active circuit includes high voltage low current transistors, such as for example a PNP bipolar transistor and an NPN bipolar transistor, that are configured in a sink-source voltage follower arrangement with the bases of the transistors connected to a voltage divider network and referenced to a fraction of a DC input voltage with a very high impedance, low dissipative resistor divider network. In one embodiment, the emitters of the PNP and NPN transistors are both tied to the connection point between capacitors in the stack and provide an active sink-source drive, which maintains the voltage at this point to be bounded by the input reference voltages of sink-source followers.

摘要翻译： 一种电路，提供了一种方法和装置，用于主动平衡串联堆叠电容器的电容器漏电流，并且当层叠电容器配置为倍增器操作时自身断开。 在一个实施例中，有源电路包括高电压低电流晶体管，例如PNP双极晶体管和NPN双极晶体管，其配置在宿源电压跟随器结构中，晶体管的基极连接到分压器 网络并以具有非常高阻抗，低耗散电阻分压网络的直流输入电压的一小部分参考。 在一个实施例中，PNP和NPN晶体管的发射极都被连接到堆叠中的电容器之间的连接点，并且提供有源宿源驱动器，其保持在该点处的电压由接收器的输入参考电压 来源追随者。

公开(公告)号：US06762946B2

公开(公告)日：2004-07-13

申请号：US10392998

申请日：2003-03-19

申请人： Arthur B. Odell ,  Chan Woong Park

发明人： Arthur B. Odell ,  Chan Woong Park

IPC分类号： H02M3335

CPC分类号： H02M3/00 ,  H01F17/043 ,  H01F27/306 ,  H01F27/34 ,  H01F27/341 ,  H01F27/38 ,  H01F27/385 ,  H01F29/02 ,  H01F30/06 ,  H01F30/10 ,  H01F38/42 ,  H01F2038/026 ,  H02M1/44 ,  H02M3/335

摘要： An energy transfer element having an energy transfer element input winding and an energy transfer element output winding. In one aspect, the energy transfer element input winding is capacitively coupled to the energy transfer element output winding. The energy transfer element is capacitively coupled to electrical earth. One or more additional windings are introduced as part of the energy transfer element. The one or more additional windings substantially reduce capacitive displacement current between the energy transfer element input winding and energy transfer element output winding by balancing the relative electrostatic fields generated between these windings and/or between the energy transfer element and electrical earth by canceling the electrostatic fields generated by all windings within the energy transfer element relative to electrical earth through the selection of the physical position and number of turns in the additional windings.

摘要翻译： 能量传递元件具有能量转移元件输入绕组和能量传递元件输出绕组。 在一个方面，能量传递元件输入绕组电容耦合到能量传递元件输出绕组。 能量传递元件电容耦合到电气接地。 作为能量传递元件的一部分引入一个或多个附加绕组。 一个或多个附加绕组通过平衡在这些绕组之间产生的相对静电场和/或能量转移元件与电气地球之间的静电场的平衡，基本上减小了能量传递元件输入绕组和能量传递元件输出绕组之间的电容位移电流 通过选择附加绕组中的物理位置和匝数，相对于电气接地，能量传递元件内的所有绕组产生。

公开(公告)号：US08593127B2

公开(公告)日：2013-11-26

申请号：US13486862

申请日：2012-06-01

申请人： Arthur B. Odell

发明人： Arthur B. Odell

IPC分类号： G05F1/70 ,  G05F1/575

CPC分类号： H02M1/12 ,  H02M1/4225 ,  H02M3/156 ,  Y02B70/126

摘要： A power converter includes a power switch, an energy storage element, a driver, a first calculator, and a second calculator. The first calculator coupled to determine an end of an on time of a power switch of the power converter by integrating an input current to output an on time signal representative of the end of the on time of the power switch. The second calculator coupled to determine an end of an off time of the power switch by integrating a difference between an input voltage and an output voltage to output an off time signal representative of the end of the off time of the power switch. The driver controls the power switch such that an input current of the power converter is substantially proportional to an input voltage of the power converter in response to the on time signal and the off time signal.

摘要翻译： 电力转换器包括电源开关，能量存储元件，驱动器，第一计算器和第二计算器。 第一计算器通过积分输入电流来输出表示电源开关的接通时间的接通时间信号来确定电力转换器的电源开关的接通时间的结束。 第二计算器通过积分输入电压和输出电压之间的差来确定电源开关的关闭时间的结束，以输出表示电源开关的关闭时间结束的关闭时间信号。 驱动器控制电源开关，使得功率转换器的输入电流响应于导通时间信号和关断时间信号基本上与功率转换器的输入电压成比例。