公开(公告)号：US20110026281A1

公开(公告)日：2011-02-03

申请号：US12563495

申请日：2009-09-21

申请人： Patrick L. Chapman ,  Brian T. Kuhn ,  Robert S. Balog ,  Jonathan W. Kimball ,  Philip T. Krein ,  Alexander Gray ,  Trishan Esram

发明人： Patrick L. Chapman ,  Brian T. Kuhn ,  Robert S. Balog ,  Jonathan W. Kimball ,  Philip T. Krein ,  Alexander Gray ,  Trishan Esram

IPC分类号： H02M7/5387 ,  H02M3/335

CPC分类号： H02M5/458 ,  H02J3/38 ,  H02M1/12 ,  H02M1/15 ,  H02M7/48 ,  H02M2001/007

摘要： An apparatus and method for controlling the delivery of power from a DC source to an AC grid includes an inverter configured to deliver power from the unipolar input source to the AC grid and an inverter controller. The inverter includes an input converter, an active filter, and an output converter. The inverter controller includes an input converter controller, an active filter controller and an output converter controller. The input converter controller is configured to control a current delivered by the input converter to a galvanically isolated unipolar bus of the inverter. The output converter is configured to control the output converter to deliver power to the AC grid. Additionally, the active filter controller is configured to control the active filter to supply substantially all the power that is deliver by the output controller to the AC grid at a grid frequency.

摘要翻译： 用于控制从DC源到AC电网的电力传送的装置和方法包括被配置为将功率从单极输入源传送到AC电网的逆变器和逆变器控制器。 逆变器包括输入转换器，有源滤波器和输出转换器。 逆变器控制器包括输入转换器控制器，有源滤波器控制器和输出转换器控制器。 输入转换器控制器被配置为将由输入转换器传递的电流控制到逆变器的电隔离单极总线。 输出转换器被配置为控制输出转换器向AC电网输送电力。 此外，有源滤波器控制器被配置为控制有源滤波器以电网频率将由输出控制器传送的基本上所有的功率提供给AC电网。

公开(公告)号：US08503200B2

公开(公告)日：2013-08-06

申请号：US12902049

申请日：2010-10-11

申请人： Patrick L. Chapman ,  Trishan Esram ,  Eric Martina ,  Brian Kuhn

发明人： Patrick L. Chapman ,  Trishan Esram ,  Eric Martina ,  Brian Kuhn

IPC分类号： H02M1/12 ,  H02M7/04

CPC分类号： H02M7/537 ,  H02J3/383 ,  H02M7/48 ,  H02M2001/0016 ,  Y02E10/563

摘要： An apparatus and method for controlling the delivery of a pre-determined amount of power from a DC source to an AC grid includes an inverter and an inverter controller. The inverter includes an input converter, an energy storage capacitor, and an output converter. The inverter controller includes an input converter controller and an output converter controller. The input converter controller includes feedforward controller configured to perform a calculation to determine a value for the duty cycle for the input converter such that: (1) the input converter delivers the pre-determined amount of power and (2) the magnitude of a ripple signal reflected into the input source is attenuated toward zero. The input converter controller may also include a quadrature corrector configured to determine the effectiveness of the calculation in attenuating the ripple and to adaptively alter the calculation to improve the effectiveness.

摘要翻译： 用于控制从DC源到AC电网的预定量的功率的传送的装置和方法包括逆变器和逆变器控制器。 逆变器包括输入转换器，储能电容器和输出转换器。 逆变器控制器包括输入转换器控制器和输出转换器控制器。 输入转换器控制器包括前馈控制器，其被配置为执行计算以确定用于输入转换器的占空比的值，使得：（1）输入转换器递送预定量的功率和（2）纹波的幅度 反射到输入源的信号朝向零衰减。 输入转换器控制器还可以包括正交校正器，其被配置为确定计算的有效性以衰减纹波并且自适应地改变计算以提高有效性。

公开(公告)号：US20120087165A1

公开(公告)日：2012-04-12

申请号：US12902083

申请日：2010-10-11

申请人： Trishan Esram ,  Alexander Gray ,  Eric Martina ,  Patrick L. Chapman

发明人： Trishan Esram ,  Alexander Gray ,  Eric Martina ,  Patrick L. Chapman

IPC分类号： H02M7/537

CPC分类号： H02M7/4807 ,  H02J3/383 ,  Y02E10/563

摘要： An apparatus and method for controlling a DC-to-AC inverter is disclosed. The DC-to-AC inverter may be configured to convert DC power received from an alternative energy source to AC power for supplying an AC grid or load. The inverter may determine whether the power presently supplied by the alternative energy source is less than a predetermined amount of power and, if so, disable an output converter of the inverter. Additionally, the inverter may predict the voltage of a DC bus of the inverter at a future point in time and, if the predicted DC bus voltage is greater than a predetermined maximum DC bus voltage, enable the output converter to transfer energy from the DC bus to the AC grid to reduce the DC bus voltage.

摘要翻译： 公开了一种用于控制DC-AC逆变器的装置和方法。 DC-AC逆变器可以被配置为将从替代能量源接收的DC电力转换为用于提供AC电网或负载的AC电力。 逆变器可以确定当前由替代能量源提供的电力是否小于预定量的功率，如果是，则禁用逆变器的输出转换器。 此外，逆变器可以在将来的时间点预测逆变器的直流母线的电压，并且如果预测的直流母线电压大于预定的最大直流母线电压，则使输出转换器能够从直流总线 到交流电网减小直流母线电压。

公开(公告)号：US08451638B2

公开(公告)日：2013-05-28

申请号：US13355718

申请日：2012-01-23

申请人： Patrick L. Chapman ,  Trishan Esram

发明人： Patrick L. Chapman ,  Trishan Esram

IPC分类号： H02H7/122

CPC分类号： H02M7/53873

摘要： Reverse recovery avoidance when converting power is provided. A first switch and second switch may be operated to supply an AC load with positive current, respective to the AC load, from a DC power source. A third and fourth switch may be operated to supply the AC load with negative current, respective to the AC load, from the DC power source. Four diodes may be employed with the switches. One diode may conduct the positive current when the first switch is off and the second switch is on. Another diode may conduct the negative current when the third switch is off and the fourth switch is on.

摘要翻译： 提供转换功率时的反向恢复避免。 可以操作第一开关和第二开关以从DC电源向AC负载提供与AC负载相对应的正电流的AC负载。 可以操作第三和第四开关，以从DC电源向AC负载提供与AC负载相对应的负电流。 开关可采用四个二极管。 一个二极管可以在第一开关断开并且第二开关导通时传导正电流。 当第三开关断开且第四开关接通时，另一个二极管可能导通负电流。

公开(公告)号：US20110211379A1

公开(公告)日：2011-09-01

申请号：US12714860

申请日：2010-03-01

申请人： Patrick L. Chapman ,  Trishan Esram

发明人： Patrick L. Chapman ,  Trishan Esram

IPC分类号： H02M7/53

CPC分类号： H02M7/53873

摘要： A power converter includes a reverse-recovery avoidance scheme. The power converter may include deliver current from a direct current (DC) power source to an alternating current (AC) load. A first switch and second switch of the power converter may be operated to supply the AC load with positive current respective to the AC load from the DC power source. A third and fourth switch of the power converter may be operated to supply the AC load with negative current respective to the AC load from the DC power source. A first diode may be electrically coupled in series with the second switch and second diode may be electrically coupled in parallel with the first diode and the second switch. The second diode may conduct the positive current when the first switch is off and the second switch is on. A third diode may be electrically coupled in series with the fourth switch and a fourth diode may be electrically coupled in parallel with the third diode and the fourth switch. The fourth diode may conduct the negative current when the third switch is off and the fourth switch is on.

摘要翻译： 功率转换器包括反向恢复避免方案。 功率转换器可以包括从直流（DC）电源到交流（AC）负载的输送电流。 功率转换器的第一开关和第二开关可以被操作以向AC负载提供来自DC电源的AC负载的正电流。 可以操作功率转换器的第三和第四开关，以向来自直流电源的AC负载分别提供具有负电流的AC负载。 第一二极管可以与第二开关串联电耦合，并且第二二极管可以与第一二极管和第二开关并联电耦合。 当第一开关断开并且第二开关导通时，第二二极管可以传导正电流。 第三二极管可以与第四开关串联电耦合，并且第四二极管可以与第三二极管和第四开关并联电耦合。 当第三开关断开且第四开关接通时，第四二极管可以导通负电流。

公开(公告)号：US20140036563A1

公开(公告)日：2014-02-06

申请号：US13959187

申请日：2013-08-05

申请人： Patrick L. Chapman ,  Trishan Esram ,  Eric Martina ,  Brian T. Kuhn

发明人： Patrick L. Chapman ,  Trishan Esram ,  Eric Martina ,  Brian T. Kuhn

IPC分类号： H02M7/537

CPC分类号： H02M7/537 ,  H02J3/383 ,  H02M7/48 ,  H02M2001/0016 ,  Y02E10/563

摘要： An apparatus and method for controlling the delivery of a pre-determined amount of power from a DC source to an AC grid includes an inverter and an inverter controller. The inverter includes an input converter, an energy storage capacitor, and an output converter. The inverter controller includes an input converter controller and an output converter controller. The input converter controller includes feedforward controller configured to perform a calculation to determine a value for the duty cycle for the input converter such that: (1) the input converter delivers the pre-determined amount of power and (2) the magnitude of a ripple signal reflected into the input source is attenuated toward zero. The input converter controller may also include a quadrature corrector configured to determine the effectiveness of the calculation in attenuating the ripple and to adaptively alter the calculation to improve the effectiveness.

摘要翻译： 用于控制从DC源到AC电网的预定量的功率的传送的装置和方法包括逆变器和逆变器控制器。 逆变器包括输入转换器，储能电容器和输出转换器。 逆变器控制器包括输入转换器控制器和输出转换器控制器。 输入转换器控制器包括前馈控制器，其被配置为执行计算以确定用于输入转换器的占空比的值，使得：（1）输入转换器递送预定量的功率和（2）纹波的幅度 反射到输入源的信号朝向零衰减。 输入转换器控制器还可以包括正交校正器，其被配置为确定计算的有效性以衰减纹波并且自适应地改变计算以提高有效性。

公开(公告)号：US08482947B2

公开(公告)日：2013-07-09

申请号：US12563495

申请日：2009-09-21

申请人： Patrick L. Chapman ,  Brian T. Kuhn ,  Robert S. Balog ,  Jonathan W. Kimball ,  Philip T. Krein ,  Alexander Gray ,  Trishan Esram

发明人： Patrick L. Chapman ,  Brian T. Kuhn ,  Robert S. Balog ,  Jonathan W. Kimball ,  Philip T. Krein ,  Alexander Gray ,  Trishan Esram

IPC分类号： H02M7/48

CPC分类号： H02M5/458 ,  H02J3/38 ,  H02M1/12 ,  H02M1/15 ,  H02M7/48 ,  H02M2001/007

摘要： An apparatus and method for controlling the delivery of power from a DC source to an AC grid includes an inverter configured to deliver power from the unipolar input source to the AC grid and an inverter controller. The inverter includes an input converter, an active filter, and an output converter. The inverter controller includes an input converter controller, an active filter controller and an output converter controller. The input converter controller is configured to control a current delivered by the input converter to a galvanically isolated unipolar bus of the inverter. The output converter is configured to control the output converter to deliver power to the AC grid. Additionally, the active filter controller is configured to control the active filter to supply substantially all the power that is deliver by the output controller to the AC grid at a grid frequency.

公开(公告)号：US08279649B2

公开(公告)日：2012-10-02

申请号：US12902083

申请日：2010-10-11

申请人： Trishan Esram ,  Alexander Gray ,  Eric Martina ,  Patrick L. Chapman

发明人： Trishan Esram ,  Alexander Gray ,  Eric Martina ,  Patrick L. Chapman

IPC分类号： H02M7/5387

CPC分类号： H02M7/4807 ,  H02J3/383 ,  Y02E10/563

摘要： An apparatus and method for controlling a DC-to-AC inverter is disclosed. The DC-to-AC inverter may be configured to convert DC power received from an alternative energy source to AC power for supplying an AC grid or load. The inverter may determine whether the power presently supplied by the alternative energy source is less than a predetermined amount of power and, if so, disable an output converter of the inverter. Additionally, the inverter may predict the voltage of a DC bus of the inverter at a future point in time and, if the predicted DC bus voltage is greater than a predetermined maximum DC bus voltage, enable the output converter to transfer energy from the DC bus to the AC grid to reduce the DC bus voltage.

摘要翻译： 公开了一种用于控制DC-AC逆变器的装置和方法。 DC-AC逆变器可以被配置为将从替代能量源接收的DC电力转换为用于提供AC电网或负载的AC电力。 逆变器可以确定当前由替代能量源提供的电力是否小于预定量的功率，如果是，则禁用逆变器的输出转换器。 此外，逆变器可以在将来的时间点预测逆变器的直流母线的电压，并且如果预测的直流母线电压大于预定的最大直流母线电压，则使输出转换器能够从直流总线 到交流电网减小直流母线电压。

公开(公告)号：US20120155128A1

公开(公告)日：2012-06-21

申请号：US13355718

申请日：2012-01-23

申请人： Patrick L. Chapman ,  Trishan Esram

发明人： Patrick L. Chapman ,  Trishan Esram

IPC分类号： H02H7/122

CPC分类号： H02M7/53873

摘要： Reverse recovery avoidance when converting power is provided. A first switch and second switch may be operated to supply an AC load with positive current, respective to the AC load, from a DC power source. A third and fourth switch may be operated to supply the AC load with negative current, respective to the AC load, from the DC power source. Four diodes may be employed with the switches. One diode may conduct the positive current when the first switch is off and the second switch is on. Another diode may conduct the negative current when the third switch is off and the fourth switch is on.

摘要翻译： 提供转换功率时的反向恢复避免。 可以操作第一开关和第二开关以从DC电源向AC负载提供与AC负载相对应的正电流的AC负载。 可以操作第三和第四开关，以从DC电源向AC负载提供与AC负载相对应的负电流。 开关可采用四个二极管。 一个二极管可以在第一开关断开并且第二开关导通时传导正电流。 当第三开关断开且第四开关接通时，另一个二极管可能导通负电流。

公开(公告)号：US20120087159A1

公开(公告)日：2012-04-12

申请号：US12902049

申请日：2010-10-11

申请人： Patrick L. Chapman ,  Trishan Esram ,  Eric Martina ,  Brian Kuhn

发明人： Patrick L. Chapman ,  Trishan Esram ,  Eric Martina ,  Brian Kuhn

IPC分类号： H02M1/14

CPC分类号： H02M7/537 ,  H02J3/383 ,  H02M7/48 ,  H02M2001/0016 ,  Y02E10/563

摘要： An apparatus and method for controlling the delivery of a pre-determined amount of power from a DC source to an AC grid includes an inverter and an inverter controller. The inverter includes an input converter, an energy storage capacitor, and an output converter. The inverter controller includes an input converter controller and an output converter controller. The input converter controller includes feedforward controller configured to perform a calculation to determine a value for the duty cycle for the input converter such that: (1) the input converter delivers the pre-determined amount of power and (2) the magnitude of a ripple signal reflected into the input source is attenuated toward zero. The input converter controller may also include a quadrature corrector configured to determine the effectiveness of the calculation in attenuating the ripple and to adaptively alter the calculation to improve the effectiveness.

摘要翻译： 用于控制从DC源到AC电网的预定量的功率的传送的装置和方法包括逆变器和逆变器控制器。 逆变器包括输入转换器，储能电容器和输出转换器。 逆变器控制器包括输入转换器控制器和输出转换器控制器。 输入转换器控制器包括前馈控制器，其被配置为执行计算以确定用于输入转换器的占空比的值，使得：（1）输入转换器递送预定量的功率和（2）纹波的幅度 反射到输入源的信号朝向零衰减。 输入转换器控制器还可以包括正交校正器，其被配置为确定计算的有效性以衰减纹波并且自适应地改变计算以提高有效性。