公开(公告)号：US09214864B2

公开(公告)日：2015-12-15

申请号：US14397188

申请日：2012-04-26

Applicant: Beatrice Bernoux ,  Josef Drobnik

Inventor： Beatrice Bernoux ,  Josef Drobnik

IPC: H02M7/5388 ,  H02M3/158 ,  H02M7/483

CPC classification number: H02M3/158 ,  H02M7/483 ,  H02M7/5388

Abstract: A switch mode power supply has a first and second branch of an inductive element; a first switching element and a second switching element connected in series. Both branches are coupled to a power source in parallel. A controller controls said switching elements for operating said switch mode power supply in a plurality of consecutive time periods, wherein more than two of said switching elements are closed, i.e. at least one in each branch. The power supply has a polarity switching element coupled between said branches for receiving a pulsed voltage for providing an output voltage of a switchable polarity. The controller receives a feedback signal corresponding to the output voltage, compares the feedback signal to a reference waveform, and controls said switching elements and the polarity switching element in dependence of said comparing for generating the output voltage according to the reference waveform.

Abstract translation: 开关模式电源具有电感元件的第一和第二支路; 第一开关元件和串联连接的第二开关元件。 两个分支并联耦合到电源。 控制器控制用于在多个连续时间段内操作所述开关模式电源的所述开关元件，其中多于两个所述开关元件是闭合的，即每个分支中至少一个。 电源具有耦合在所述分支之间的极性开关元件，用于接收用于提供可切换极性的输出电压的脉冲电压。 控制器接收对应于输出电压的反馈信号，将反馈信号与参考波形进行比较，根据参考波形产生输出电压的所述比较来控制所述开关元件和极性开关元件。

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：US08963616B2

公开(公告)日：2015-02-24

申请号：US13686089

申请日：2012-11-27

Applicant: Kostal Industrie Elektrik GmbH

Inventor： Martin Degener ,  Michael Kretschmann

IPC: H03K17/56 ,  H03K17/60 ,  H03K17/687 ,  H02M7/5387 ,  H03K3/012 ,  H02M7/487 ,  H02M7/5388

CPC classification number: H03K3/012 ,  H02M7/487 ,  H02M7/5388

Abstract: A circuit for a phase connection of an inverter includes upper and lower bridge halves and respectively associated upper and lower bridge segments. Each bridge half has an outer switch and an inner switch connected in series. Each bridge segment has a diode and the inner switch of the associated bridge half connected in series. An output of the circuit is respectively connected to upper and lower potentials through the outer switches and is further connected to a center potential applied between the upper and lower potentials through each of the upper and lower bridge segments. Each bridge half further has a parallel power switch. The parallel switch of each bridge half is connected in parallel to the series-connected outer and inner switches of the bridge half. The output of the circuit is further respectively connected to the upper and lower potentials through the parallel switches.

Abstract translation: 用于逆变器的相位连接的电路包括上部和下部半桥以及分别相关联的上部和下部桥接段。 每个桥半部分有一个外部开关和一个串联的内部开关。 每个桥段都有一个二极管，相连桥的内部开关一半连接。 电路的输出分别通过外部开关连接到上部和下部电位，并且还通过上部和下部桥接段中的每一个连接到施加在上部和下部电位之间的中心电位。 每个桥梁还有一个并联电源开关。 每个桥半部的并联开关与桥半部的串联外开关和内开关并联连接。 电路的输出进一步分别通过并联开关连接到上电位和下电位。

公开(公告)号：US20150009734A1

公开(公告)日：2015-01-08

申请号：US14493536

申请日：2014-09-23

Applicant: TQ-SYSTEMS GMBH

Inventor： Rudiger STAHL ,  Alexander LICHTE

IPC: H02M7/5387

CPC classification number: H02M7/53871 ,  H02M7/483 ,  H02M7/493 ,  H02M7/5388

Abstract: A method for the operation of an electrical circuit taking the form of a multi-level half-bridge (MLHB), and a multi-level half-bridge designed for implementation of the method, comprising two connections to which a bridge voltage is applied and which are connected via two symmetrical branches meeting at a central connection, wherein a central voltage is applied to the central connection against the potential of one of the connections.

Abstract translation: 采用多电平半桥（MLHB）形式的电路的操作方法以及为执行该方法而设计的多电平半桥，包括施加电压的两个连接，以及 它们通过在中心连接处相遇的两个对称分支连接，其中中心电压抵抗一个连接的电位施加到中心连接。

公开(公告)号：US20140145664A1

公开(公告)日：2014-05-29

申请号：US13688948

申请日：2012-11-29

Applicant: INFINEON TECHNOLOGIES AG

Inventor： Carlos Castro ,  Michael Mankel ,  Mark N. Muenzer

IPC: H02P25/16 ,  H02M7/537

CPC classification number: H02P27/06 ,  B60L2210/40 ,  H02M7/5388 ,  H02M2001/0054 ,  H02P27/08 ,  H02P2207/01 ,  H03K17/102 ,  H03K2017/6875 ,  Y02B70/1483 ,  Y02B70/1491 ,  Y02T10/642 ,  Y02T10/7241

Abstract: A power inverter includes a reference line operably provided with a reference potential and a supply line operably provided with a DC supply voltage with respect to the reference potential. A first half bridge includes a high-side switch and a low-side switch. The high-side switch is coupled between the supply line and a middle tap of the half bridge and the low-side switch is coupled between the middle tap and the reference line. The low-side switch is formed by a normally-on silicon carbide junction field effect transistor and the high-side switch is formed by a series circuit of a normally-on silicon carbide junction field effect transistor and a normally-off metal oxide field effect transistor.

Abstract translation: 功率逆变器包括可操作地设置有参考电位的参考线和可操作地设置有相对于参考电位的DC电源电压的供电线。 前半桥包括高边开关和低边开关。 高侧开关连接在供电线路和半桥的中间抽头之间，低侧开关连接在中间抽头和参考线之间。 低侧开关由常规碳化硅结型场效应晶体管形成，高边开关由常规碳化硅结场效应晶体管的串联电路和常闭金属氧化物场效应 晶体管。

公开(公告)号：US20140078796A1

公开(公告)日：2014-03-20

申请号：US14012456

申请日：2013-08-28

Applicant: Hitachi, Ltd.

Inventor： Shigenori INOUE ,  Shuji KATOH ,  Akira BANDO ,  Yasuhiro KIYOFUJI ,  Yoshio EGUCHI ,  Masaya ICHINOSE ,  Takayoshi YAMAMOTO

IPC: H02M7/217

CPC classification number: H02M7/2173 ,  H02M5/10 ,  H02M5/4585 ,  H02M7/483 ,  H02M7/5388 ,  H02M2007/4835

Abstract: In the present invention, provided is a power conversion apparatus in which at least one energy storage element and at least one switching element are included, a plurality of series circuits of a transformer winding and an arm in which one or a plurality of at least two-terminal unit converters which depend on ON/OFF of the switching element and supply a zero voltage or a voltage depending on a voltage of the energy storage element are connected in series are connected in parallel, and a multi-phase power source or a multi-phase load is connected to another winding of the transformer, and the parallel-connection point is set as a DC terminal, and which includes means for controlling a current flowing through each of the arms to have a phase and amplitude different from each other.

Abstract translation: 在本发明中，提供了一种功率转换装置，其中至少包括一个能量存储元件和至少一个开关元件，变压器绕组和臂的多个串联电路，其中一个或多个至少两个 依赖于开关元件的导通/截止并且提供依赖于能量存储元件的电压的零电压或电压串联连接的终端单元转换器并联连接，并且多相电源或多 相位负载连接到变压器的另一个绕组，并联连接点被设置为直流端子，并且其包括用于控制流过每个臂的电流以具有彼此不同的相位和幅度的装置。

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：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：US20120212170A1

公开(公告)日：2012-08-23

申请号：US13505353

申请日：2010-07-06

Applicant: Keizou Matsui ,  Makoto Imai

Inventor： Keizou Matsui ,  Makoto Imai

IPC: H02P27/06 ,  H02M7/537

CPC classification number: H02M7/5388 ,  H02M1/084 ,  H02M2001/0054 ,  H02P27/085 ,  Y02B70/1491

Abstract: The present invention relates to an inverter device including an upper arm switching circuit, a lower arm switching circuit, a control unit that controls the upper arm switching circuit and the lower arm switching circuit, a plurality of voltage-driven switching elements forming the upper arm switching circuit, a plurality of current-driven switching elements forming the lower arm switching circuit, and a bootstrap circuit that applies a driving voltage to the switching elements of the upper arm switching circuit and the lower arm switching circuit. With this configuration, the circuit loss is reduced and thus efficiency is improved.

Abstract translation: 本发明涉及一种逆变器装置，包括上臂开关电路，下臂开关电路，控制上臂开关电路和下臂开关电路的控制单元，形成上臂的多个电压驱动开关元件 开关电路，形成下臂开关电路的多个电流驱动开关元件和向上臂开关电路和下臂开关电路的开关元件施加驱动电压的自举电路。 利用这种配置，电路损耗减小，从而提高效率。

公开(公告)号：US20120201066A1

公开(公告)日：2012-08-09

申请号：US13306766

申请日：2011-11-29

Applicant: Maxime R. DUBOIS ,  Michael DESJARDINS ,  Louis TREMBLAY

Inventor： Maxime R. DUBOIS ,  Michael DESJARDINS ,  Louis TREMBLAY

IPC: H02M7/797 ,  H02M7/217 ,  H02M7/537 ,  H02M7/00

CPC classification number: H02J9/066 ,  F16F15/305 ,  H02J3/381 ,  H02J3/382 ,  H02J3/383 ,  H02J3/386 ,  H02J15/00 ,  H02K7/025 ,  H02M7/5388 ,  Y02B10/72 ,  Y02E10/563 ,  Y02E10/566 ,  Y02E10/725 ,  Y02E10/763 ,  Y02E60/16 ,  Y02E60/721 ,  Y02E70/30 ,  Y02T10/6269 ,  Y04S10/126 ,  Y10T74/2119 ,  Y10T74/212

Abstract: A dual switching frequency hybrid power converter comprising two different types of power switching element switching at two different frequencies is presented for DC-to-AC and AC-to-DC voltage conversion and for monophase or multi-phase devices with the aim of reducing considerably the conduction and switching losses of those power switching elements. The dual switching frequency hybrid power converter also enables a DC to DC voltage conversion as well as an AC to AC voltage conversion.

Abstract translation: 提出了一种双开关频率混合功率转换器，其包括两个不同类型的两个不同频率的功率开关元件开关，用于DC至AC和AC至DC电压转换以及用于单相或多相器件，目的是显着减少 这些功率开关元件的导通和开关损耗。 双开关频率混合功率转换器还可实现DC至DC电压转换以及AC至AC电压转换。