公开(公告)号：US08988915B2

公开(公告)日：2015-03-24

申请号：US13351233

申请日：2012-01-17

Applicant: Chen-Wei Ku ,  Lei-Ming Lee

Inventor： Chen-Wei Ku ,  Lei-Ming Lee

IPC: H02M7/537 ,  H02M7/5387

CPC classification number: H02M7/53871 ,  H02M7/5388

Abstract: A DC to AC converter includes a first switch, a second switch, a first half bridge inverter, and a second half bridge inverter. The first switch includes a first terminal and a second terminal. The second switch includes a first terminal and a second terminal. A portion between the first terminal of the first switch and the first terminal of the second switch is operable to receive a direct current power source. The first half bridge inverter includes a first terminal, a second terminal, and an output terminal. The second half bridge inverter includes a first terminal, a second terminal, and an output terminal. A portion between the output terminal of the first half bridge inverter and the output terminal of the second half bridge inverter is operable to output an alternative current.

Abstract translation: 直流到交流转换器包括第一开关，第二开关，第一半桥逆变器和第二半桥逆变器。 第一开关包括第一端子和第二端子。 第二开关包括第一端子和第二端子。 第一开关的第一端子和第二开关的第一端子之间的部分可操作以接收直流电源。 第一半桥逆变器包括第一端子，第二端子和输出端子。 第二半桥逆变器包括第一端子，第二端子和输出端子。 第一半桥逆变器的输出端子与第二半桥逆变器的输出端子之间的部分可操作以输出替代电流。

公开(公告)号：US08885375B2

公开(公告)日：2014-11-11

申请号：US13475543

申请日：2012-05-18

Applicant: Chen-Wei Ku ,  Lei-Ming Lee ,  Ho Huang

Inventor： Chen-Wei Ku ,  Lei-Ming Lee ,  Ho Huang

IPC: H02M7/5387 ,  H02M7/48 ,  H02J3/38

CPC classification number: H02M7/48 ,  H02J3/383 ,  H02J3/386 ,  Y02B10/14 ,  Y02E10/563 ,  Y02E10/763 ,  Y02P80/23

Abstract: An inverter including a switch circuit for converting a DC power to output an AC voltage between a first output terminal and a second output terminal is provided. The switch circuit includes a first switch branch having a first switch element, a second switch element, and a third switch element; a second switch branch having a fourth switch element, a fifth switch element, and a sixth switch element; a first freewheeling unit connected to the first switch element, the second switch element, and the second output terminal for providing a freewheeling path between the second output terminal and the first switch element and the second switch element; and a second freewheeling unit connected to the fourth switch element and the fifth switch element and the first output terminal for providing a freewheeling path between the first output terminal and the fourth switch element and the fifth switch element.

Abstract translation: 提供一种逆变器，其包括用于转换DC电力以在第一输出端子和第二输出端子之间输出AC电压的开关电路。 开关电路包括具有第一开关元件，第二开关元件和第三开关元件的第一开关支路; 具有第四开关元件，第五开关元件和第六开关元件的第二开关支路; 连接到第一开关元件的第一续流单元，第二开关元件和第二输出端子，用于在第二输出端子和第一开关元件和第二开关元件之间提供续流路径; 以及连接到第四开关元件和第五开关元件和第一输出端子的第二续流单元，用于在第一输出端子和第四开关元件和第五开关元件之间提供续流路径。

公开(公告)号：US20140049996A1

公开(公告)日：2014-02-20

申请号：US13610297

申请日：2012-09-11

Applicant: Chen-Wei KU ,  Lei-Ming LEE ,  Ho HUANG

Inventor： Chen-Wei KU ,  Lei-Ming LEE ,  Ho HUANG

IPC: H02M7/49

CPC classification number: H02M7/48 ,  H02M7/5388

Abstract: A hybrid DC-to-AC conversion system includes a first DC input voltage, a second DC input voltage, a power conversion apparatus, and a comparison unit. The power conversion apparatus is connected in parallel to the first DC input voltage and the second DC input voltage to convert the first DC input voltage or the second DC input voltage into an AC output voltage. The comparison unit receives the AC output voltage and an external reference voltage. The comparison unit outputs a control signal to make the first DC input voltage supply a load when an absolute value of the AC output voltage is less than or equal to the external reference voltage, whereas the comparison unit outputs the control signal to make the second DC input voltage supply the load when the absolute value of the AC output voltage is greater than the external reference voltage.

Abstract translation: 混合DC-AC转换系统包括第一直流输入电压，第二直流输入电压，功率转换装置和比较单元。 电力转换装置并联连接到第一直流输入电压和第二直流输入电压，以将第一直流输入电压或第二直流输入电压转换为交流输出电压。 比较单元接收交流输出电压和外部参考电压。 当交流输出电压的绝对值小于或等于外部参考电压时，比较单元输出控制信号以使第一直流输入电压提供负载，而比较单元输出控制信号以使第二直流 当交流输出电压的绝对值大于外部参考电压时，输入电压提供负载。

公开(公告)号：US08493761B2

公开(公告)日：2013-07-23

申请号：US12636005

申请日：2009-12-11

Applicant: Jingtao Tan ,  Degang Yi ,  Fei Lv ,  Lei-Ming Lee ,  Jianping Ying ,  Wen-Yin Tsai

Inventor： Jingtao Tan ,  Degang Yi ,  Fei Lv ,  Lei-Ming Lee ,  Jianping Ying ,  Wen-Yin Tsai

IPC: H02M7/5387

CPC classification number: H02M7/5387

Abstract: The configurations of an inverter circuit are provided in the present invention. The proposed circuit includes a first bridge arm having a first sub-bridge arm with a first switch and a first middle point coupled to the first switch, and a second sub-bridge arm with a second switch and a second middle point coupled to the second switch, a first inductor having a first terminal coupled to the first middle point and a second terminal, and a second inductor having a first terminal coupled to the second middle point, and a second terminal coupled to the second terminal of the first inductor and outputting an AC voltage.

Abstract translation: 在本发明中提供了逆变器电路的结构。 所提出的电路包括具有第一子桥臂的第一桥臂，第一子桥臂具有第一开关和耦合到第一开关的第一中点，以及具有第二开关的第二子桥臂以及耦合到第二开关的第二中间点 开关，具有耦合到第一中间点的第一端子和第二端子的第一电感器和具有耦合到第二中间点的第一端子的第二电感器，以及耦合到第一电感器的第二端子的第二端子，并且输出 交流电压。

公开(公告)号：US20130010512A1

公开(公告)日：2013-01-10

申请号：US13426155

申请日：2012-03-21

Applicant: Chen-Wei Ku ,  Lei-Ming Lee ,  Ho Huang

Inventor： Chen-Wei Ku ,  Lei-Ming Lee ,  Ho Huang

IPC: H02M7/5387

CPC classification number: H02M7/5388 ,  H02M7/48

Abstract: Disclosed is a DC-AC converter including a switch circuit for converting the DC power to output an AC voltage between a first output terminal and a second output terminal. The switch circuit includes a first switch branch having a first switch element and a second switch element; a second switch branch having a third switch element, a fourth switch element, and a fifth switch element; and a sixth switch element having one end connected between the third switch element and the fourth switch element and the other end connected between the first switch element and the second switch element. The first switch element, the second switch element, the third switch element, the fourth switch element, the fifth switch element, and the sixth switch element are configured to turn on/off to enhance the conversion efficiency of the DC-AC converter and subdue the occurrence of leak current in the DC-AC converter.

Abstract translation: 公开了一种DC-AC转换器，包括用于转换DC电力以在第一输出端子和第二输出端子之间输出AC电压的开关电路。 开关电路包括具有第一开关元件和第二开关元件的第一开关支路; 具有第三开关元件的第二开关支路，第四开关元件和第五开关元件; 以及第六开关元件，其一端连接在第三开关元件和第四开关元件之间，另一端连接在第一开关元件和第二开关元件之间。 第一开关元件，第二开关元件，第三开关元件，第四开关元件，第五开关元件和第六开关元件被配置为导通/截止以提高DC-AC转换器的转换效率， 在DC-AC转换器中出现漏电流。

公开(公告)号：US08946933B2

公开(公告)日：2015-02-03

申请号：US13401106

申请日：2012-02-21

Applicant: Chen-Wei Ku ,  Lei-Ming Lee ,  Ho Huang

Inventor： Chen-Wei Ku ,  Lei-Ming Lee ,  Ho Huang

IPC: H02J1/00 ,  H02J3/00

CPC classification number: H02J1/00 ,  H02J3/00 ,  H02J3/383 ,  H02J3/386 ,  Y02E10/563 ,  Y02E10/763 ,  Y10T307/406 ,  Y10T307/505 ,  Y10T307/511 ,  Y10T307/724

Abstract: A power management apparatus and a method of operating the same are disclosed. The power management apparatus includes a power conversion unit, a first sensing unit, a second sensing unit, a switch unit, and a control unit. The power conversion unit converts output power generated from at least one renewable energy generation apparatus. The first sensing unit is provided to sense a first current and a first voltage and the second sensing unit is provided to sense a second current and a second voltage. The control unit acquires an output power generated from the renewable energy generation apparatus and acquires a feedback power to an AC utility according to the currents and the voltages when the control unit turns on the switch unit.

Abstract translation: 公开了电力管理装置及其动作方法。 电力管理装置包括电力转换单元，第一感测单元，第二感测单元，开关单元和控制单元。 功率转换单元转换由至少一个可再生能量发生装置产生的输出功率。 提供第一感测单元以感测第一电流和第一电压，并且提供第二感测单元以感测第二电流和第二电压。 所述控制单元从所述可再生能量发生装置获取的输出功率，并且当所述控制单元接通所述开关单元时，根据所述电流和电压获取对所述AC电力设备的反馈功率。

公开(公告)号：US08537585B2

公开(公告)日：2013-09-17

申请号：US13426155

申请日：2012-03-21

Applicant: Chen-Wei Ku ,  Lei-Ming Lee ,  Ho Huang

Inventor： Chen-Wei Ku ,  Lei-Ming Lee ,  Ho Huang

IPC: H02M7/5387 ,  H02M3/335

CPC classification number: H02M7/5388 ,  H02M7/48

Abstract: Disclosed is a DC-AC converter including a switch circuit for converting the DC power to output an AC voltage between a first output terminal and a second output terminal. The switch circuit includes a first switch branch having a first switch element and a second switch element; a second switch branch having a third switch element, a fourth switch element, and a fifth switch element; and a sixth switch element having one end connected between the third switch element and the fourth switch element and the other end connected between the first switch element and the second switch element. The first switch element, the second switch element, the third switch element, the fourth switch element, the fifth switch element, and the sixth switch element are configured to turn on/off to enhance the conversion efficiency of the DC-AC converter and subdue the occurrence of leak current in the DC-AC converter.

Abstract translation: 公开了一种DC-AC转换器，包括用于转换DC电力以在第一输出端子和第二输出端子之间输出AC电压的开关电路。 开关电路包括具有第一开关元件和第二开关元件的第一开关支路; 具有第三开关元件的第二开关支路，第四开关元件和第五开关元件; 以及第六开关元件，其一端连接在第三开关元件和第四开关元件之间，另一端连接在第一开关元件和第二开关元件之间。 第一开关元件，第二开关元件，第三开关元件，第四开关元件，第五开关元件和第六开关元件被配置为导通/截止以提高DC-AC转换器的转换效率， 在DC-AC转换器中出现漏电流。

公开(公告)号：US08467198B2

公开(公告)日：2013-06-18

申请号：US12973445

申请日：2010-12-20

Applicant: Chen-Wei Ku ,  Lei-Ming Lee

Inventor： Chen-Wei Ku ,  Lei-Ming Lee

IPC: H02M3/335 ,  H02M7/5387

CPC classification number: H02M7/4807 ,  H02J3/383 ,  Y02E10/563

Abstract: A DC-to-AC converting circuit includes a transformer, a first modulation switching circuit, a second modulation switching circuit and a third modulation switching circuit, an inverter switching circuit and a controlling unit. Under control of the controlling unit, two of the first, second and third modulation switching circuits are selectively enabled according to the magnitude of the input voltage, so that electric energy of the input voltage is magnetically transmitted to the first primary winding, a second primary winding or a serially-connected winding assembly of the first primary winding and the second primary winding, and a turn ratio of the transformer is adjustable.

Abstract translation: DC-AC转换电路包括变压器，第一调制开关电路，第二调制开关电路和第三调制开关电路，逆变器开关电路和控制单元。 在控制单元的控制下，根据输入电压的大小有选择地使能第一，第二和第三调制开关电路中的两个，使得输入电压的电能被磁传递到第一初级绕组，第二初级绕组 绕组或串联连接的第一初级绕组和第二初级绕组的绕组组件，并且变压器的匝数比可调。

公开(公告)号：US20130057196A1

公开(公告)日：2013-03-07

申请号：US13371963

申请日：2012-02-13

Applicant: Chen-Wei KU ,  Lei-Ming LEE ,  Ho HUANG

Inventor： Chen-Wei KU ,  Lei-Ming LEE ,  Ho HUANG

IPC: H01M10/46

CPC classification number: H02J7/35 ,  Y02E10/566

Abstract: A photovoltaic powered system with an adaptive power control and a method of operating the same. A photovoltaic panel is provided to generate electric power to supply a load. The photovoltaic powered system includes a charging control unit, a rechargeable battery unit, a first switch unit, a second switch unit, a power condition unit, and a switch control unit. The switch control unit turns on the first switch unit and turns off the second switch unit when the photovoltaic panel can generate the electric power, thus supplying the load and charging the rechargeable battery unit, respectively. The switch control unit turns off the first switch unit and turns on the second switch unit when the photovoltaic panel cannot generate the electric power, thus providing energy stored in the rechargeable battery unit to supply the load.

Abstract translation: 具有自适应功率控制的光伏发电系统及其操作方法。 提供光伏面板以产生电力来供应负载。 光伏电力系统包括充电控制单元，可再充电电池单元，第一开关单元，第二开关单元，电力状态单元和开关控制单元。 当光伏面板可以产生电力时，开关控制单元接通第一开关单元并关闭第二开关单元，从而分别提供负载并对可再充电电池单元充电。 当光伏面板不能产生电力时，开关控制单元关闭第一开关单元并接通第二开关单元，从而提供存储在可再充电电池单元中的能量以供应负载。

公开(公告)号：US20130147274A1

公开(公告)日：2013-06-13

申请号：US13401106

申请日：2012-02-21

Applicant: Chen-Wei KU ,  Lei-Ming Lee ,  Ho Huang

Inventor： Chen-Wei KU ,  Lei-Ming Lee ,  Ho Huang

IPC: H02J1/00

CPC classification number: H02J1/00 ,  H02J3/00 ,  H02J3/383 ,  H02J3/386 ,  Y02E10/563 ,  Y02E10/763 ,  Y10T307/406 ,  Y10T307/505 ,  Y10T307/511 ,  Y10T307/724

Abstract: A power management apparatus and a method of operating the same are disclosed. The power management apparatus includes a power conversion unit, a first sensing unit, a second sensing unit, a switch unit, and a control unit. The power conversion unit converts output power generated from at least one renewable energy generation apparatus. The first sensing unit is provided to sense a first current and a first voltage and the second sensing unit is provided to sense a second current and a second voltage. The control unit acquires an output power generated from the renewable energy generation apparatus and acquires a feedback power to an AC utility according to the currents and the voltages when the control unit turns on the switch unit.

Abstract translation: 公开了电力管理装置及其动作方法。 电力管理装置包括电力转换单元，第一感测单元，第二感测单元，开关单元和控制单元。 功率转换单元转换由至少一个可再生能量发生装置产生的输出功率。 提供第一感测单元以感测第一电流和第一电压，并且提供第二感测单元以感测第二电流和第二电压。 所述控制单元从所述可再生能量发生装置获取的输出功率，并且当所述控制单元接通所述开关单元时，根据所述电流和电压获取对所述AC电力设备的反馈功率。