Device for Feeding Electric Energy Into A Power Grid And DC Converter For Such A Device
    1.
    发明申请
    Device for Feeding Electric Energy Into A Power Grid And DC Converter For Such A Device 有权
    将电能馈入电网的装置和用于这种装置的DC转换器

    公开(公告)号:US20100085788A1

    公开(公告)日:2010-04-08

    申请号:US12309425

    申请日:2008-04-12

    IPC分类号: H02M7/06

    摘要: The device is for feeding electricity into a power grid (8) with a DC generator (1), a DC converter (2) and an inverter (3), and particularly to a DC converter (2) suited for the device. The DC converter (2) comprises a choking coil (15) having two windings (w1, w2) that are magnetically coupled and conductively connected to each other, two switches (86, 86) and three diodes (D6, D7, D8), and is configured such that grounding of the direct current generator (1) at the negative output (5) thereof is possible and the power load of the switches (85, 86) is kept small.

    摘要翻译: 该装置用于将电力馈送到具有DC发电机(1),DC转换器(2)和逆变器(3)的电网(8)中,特别是适用于该装置的DC转换器(2)。 DC转换器(2)包括具有磁耦合并彼此导电连接的两个绕组(w1,w2)的扼流线圈(15),两个开关(86,86)和三个二极管(D6,D7,D8), 并且被配置为使得其负输出(5)处的直流发电机(1)的接地是可能的,并且开关(85,86)的功率负载保持较小。

    Transformerless inverter comprising a DC/DC converter
    2.
    发明授权
    Transformerless inverter comprising a DC/DC converter 有权
    包括DC / DC转换器的无变压器逆变器

    公开(公告)号:US09065345B2

    公开(公告)日:2015-06-23

    申请号:US13163940

    申请日:2011-06-20

    IPC分类号: H02M7/537 H02M3/335 H02M1/00

    摘要: A transformerless inverter that serves to feed electricity from a DC current source into an AC power grid, has an inverter bridge and a DC/DC converter connected upstream of the inverter bridge. The DC/DC converter converts an input DC voltage that is present between two input lines of the inverter into a DC link voltage present between two input lines of the inverter bridge. The inverter bridge converts the DC link voltage present at the input lines thereof into an output AC voltage. The DC/DC converter includes at least one resonant circuit that has a resonance inductance and a resonance capacitance and is connected on its input side via at least two clocked switches to one of the two input lines of the inverter or an intermediate potential line carrying a potential in between. The input lines of the inverter and the input lines of the inverter bridge are galvanically isolated from one another by a capacitive method. The resonant circuit may be undivided and is connected alternately to the two input lines of the inverter bridge.

    摘要翻译: 用于从直流电源馈入交流电网的无变压器逆变器具有逆变桥和连接在逆变桥上游的DC / DC转换器。 DC / DC转换器将存在于逆变器桥的两个输入线之间的直流链路电压中的逆变器的两个输入线之间存在的输入直流电压进行转换。 逆变桥将其输入线上存在的直流母线电压转换为输出交流电压。 DC / DC转换器包括至少一个谐振电路,其具有谐振电感和谐振电容,并且通过至少两个时钟控制的开关连接到其输入侧到逆变器的两个输入线之一或承载一个 之间的潜力。 逆变器的输入线和逆变桥的输入线通过电容法彼此电隔离。 谐振电路可以不分开,并且交替地连接到逆变器桥的两条输入线。

    INVERTER CAPABLE OF PROVIDING REACTIVE POWER
    3.
    发明申请
    INVERTER CAPABLE OF PROVIDING REACTIVE POWER 有权
    具有提供反应能力的逆变器

    公开(公告)号:US20120236616A1

    公开(公告)日:2012-09-20

    申请号:US13439314

    申请日:2012-04-04

    IPC分类号: H02M7/5387

    摘要: In an inverter includes two input lines for connection to a DC voltage source, two half-bridges connecting the two input lines, and two output lines for connection to an alternating current load or an AC power grid. Each half-bridge includes two pulse-operated switches with reverse connected diodes, each output line is connected to a center point of one of the half-bridges via an inductance, and the two output lines are connected to the same one of the input lines via a further pulse-operated switch behind the inductance with respect to the associated half-bridge.

    摘要翻译: 在逆变器中包括用于连接到DC电压源的两条输入线,连接两条输入线的两条半桥,以及用于连接到交流电力或交流电网的两条输出线。 每个半桥包括两个具有反向连接二极管的脉冲操作开关,每个输出线经由电感连接到其中一个半桥的中心点,两条输出线连接到同一条输入线 通过相对于相关联的半桥的电感后面的另一脉冲操作开关。

    Inverter for grounded direct current source, more specifically for a photovoltaic generator
    4.
    发明授权
    Inverter for grounded direct current source, more specifically for a photovoltaic generator 有权
    逆变器用于接地的直流电源,更具体地说是用于光伏发电机

    公开(公告)号:US08023288B2

    公开(公告)日:2011-09-20

    申请号:US12218018

    申请日:2008-07-10

    IPC分类号: H02M3/335

    摘要: An inverter (1) for a grounded direct voltage source, in particular for a photovoltaic generator (2), a battery or a fuel cell, for converting the direct voltage into an alternative voltage with a DC-DC converter (3) and a pulse inverter that is supplied by said DC-DC converter (3), said DC-DC converter (3) being configured to be an oscillating circuit inverter and comprising a series resonant oscillating circuit, said DC-DC converter (3), which is configured to be an oscillating circuit inverter, being configured to be a series-compensated oscillating circuit inverter with a choke (L1) and a series-mounted capacitor array consisting of two or several oscillating circuit capacitors, a rectifier bridge branch including 2 diodes (D3, D4; D5, D6, . . . ), being connected to each of the partial oscillating circuit capacitors, said rectifier bridge branch being connected with its positive or its negative pole to output side intermediate circuit capacitors which are preferably connected in series so that said DC-DC converter (3) delivers at least two bipolar output voltages and is combined with the pulse inverter (4) with a divided voltage intermediate circuit that is supplied from the oscillating circuit inverter.

    摘要翻译: 一种用于接地的直流电压源的逆变器(1),特别是用于光伏发电机(2),电池或燃料电池,用于利用DC-DC转换器(3)将脉冲转换为替代电压 由所述DC-DC转换器(3)提供的逆变器,所述DC-DC转换器(3)被配置为振荡电路逆变器,并且包括串联谐振振荡电路,所述DC-DC转换器(3)被配置 作为具有扼流圈(L1)和由两个或多个振荡电路电容器组成的串联安装的电容器阵列的串联补偿的振荡电路逆变器,包括2个二极管(D3, D4; D5,D6 ...),连接到每个部分振荡电路电容器,所述整流桥分支与其正极或负极连接到输出侧中间电路电容器,其优选地以s连接 使得所述DC-DC转换器(3)输送至少两个双极性输出电压,并且与从脉冲电路逆变器提供的分压电压中间电路与脉冲逆变器(4)组合。

    Inverter
    5.
    发明授权
    Inverter 有权
    逆变器

    公开(公告)号:US07813153B2

    公开(公告)日:2010-10-12

    申请号:US12221082

    申请日:2008-07-31

    IPC分类号: H02M7/538 H02M7/5387

    CPC分类号: H02M7/5387 H02M3/158

    摘要: An inverter (1) for feeding electric power into a utility grid (7) or into a load is described. The inverter (1) contains direct voltage inputs (2, 3), one first intermediate circuit (8) connected thereto and comprising two series connected capacitors (C1, C2) that are connected together at a ground terminal (14), two alternating voltage outputs (5, 6) of which one at least is provided with a grid choke (L1) and one bridge section (10). In accordance with the invention, the inverter (1) contains only two switches (S1, S2), which are disposed in the bridge section (10) and are to be switched at high frequency, as well as, between the first intermediate circuit (8) and the bridge section (10), a second intermediate circuit (9) that is devised at least for selectively boosting or bucking the direct voltage and intended for supplying said bridge section (10) with positive and negative voltage, said second intermediate circuit comprising an internal freewheeling (D5, D6) for maintaining the currents flowing through the grid choke (L1) in opposite directions.

    摘要翻译: 描述了用于将电力馈送到公用电网(7)或负载中的逆变器(1)。 逆变器(1)包括直流电压输入(2,3),连接到其上的一个第一中间电路(8),并且包括在接地端子(14)处连接在一起的两个串联电容器(C1,C2),两个交流电压 输出(5,6),其中至少一个具有栅格扼流圈(L1)和一个桥接部分(10)。 根据本发明,逆变器(1)仅包含两个开关(S1,S2),它们设置在桥接部分(10)中,并且要以高频率以及第一中间电路 8)和桥接部分(10),第二中间电路(9),其设计为至少用于选择性地升压或降压直流电压并且用于向所述桥接部分(10)提供正和负电压,所述第二中间电路 包括用于保持沿相反方向流过栅格电抗器(L1)的电流的内部续流(D5,D6)。

    INVERTER FOR FEEDING ELECTRIC ENERGY INTO A POWER SUPPLY SYSTEM
    6.
    发明申请
    INVERTER FOR FEEDING ELECTRIC ENERGY INTO A POWER SUPPLY SYSTEM 失效
    将电力供电到电源系统的逆变器

    公开(公告)号:US20100135054A1

    公开(公告)日:2010-06-03

    申请号:US12309748

    申请日:2008-04-12

    申请人: Peter Zacharias

    发明人: Peter Zacharias

    IPC分类号: H02M7/5387

    摘要: An inverter (3) is described for feeding electrical energy into a power supply system (2) having in each case one input (6, 7) which is intended for connection to the negative and positive output (4, 5) respectively of a DC voltage generator (1) two outputs (8, 9) which are intended for connection to the power supply system (2), and a device, which has a strong inductor (L1) and switches (S1 to S6), for conversion of a DC voltage to an AC voltage. The input (7) which can be connected to the negative output (5) of the DC voltage generator (1) can be grounded, and at least one of the two outputs (8, 9) is provided with a mains inductor (L2). According the invention, the device contains a bridge circuit with two current paths (S4, L1, S6; S5, L1, S3) of which the one provides positive and the other negative output currents, a switching unit for switching, which is carried out at the power supply frequency, between the two current paths (S4, L1, S6; S5, L1, S3) and a coupling capacitor (1) which connects the bridge circuit to the switching unit.

    摘要翻译: 描述了用于将电能馈送到电源系统(2)中的逆变器(3),在每个情况下,一个输入端(6,7)分别用于连接到DC的负极和正极输出(4,5) 电压发生器(1)用于连接到电源系统(2)的两个输出(8,9)和具有强电感器(L1)和开关(S1至S6)的装置,用于转换 直流电压为交流电压。 可以连接到直流电压发生器(1)的负极输出(5)的输入端(7)可以被接地,并且两个输出端(8,9)中的至少一个设有主电感器(L2) 。 根据本发明,该装置包括具有两个电流路径(S4,L1,S6; S5,L1,S3)的桥接电路,其中一个提供正和另一个负输出电流,用于切换的切换单元 在两个电流路径(S4,L1,S6; S5,L1,S3)之间的电源频率和将桥式电路连接到开关单元的耦合电容器(1)之间。

    Inverter
    7.
    发明申请
    Inverter 有权
    逆变器

    公开(公告)号:US20090046491A1

    公开(公告)日:2009-02-19

    申请号:US12221082

    申请日:2008-07-31

    IPC分类号: H02M7/537

    CPC分类号: H02M7/5387 H02M3/158

    摘要: An inverter (1) for feeding electric power into a utility grid (7) or into a load is described. The inverter (1) contains direct voltage inputs (2, 3), one first intermediate circuit (8) connected thereto and comprising two series connected capacitors (C1, C2) that are connected together at a ground terminal (14), two alternating voltage outputs (5, 6) of which one at least is provided with a grid choke (L1) and one bridge section (10). In accordance with the invention, the inverter (1) contains only two switches (S1, S2), which are disposed in the bridge section (10) and are to be switched at high frequency, as well as, between the first intermediate circuit (8) and the bridge section (10), a second intermediate circuit (9) that is devised at least for selectively boosting or bucking the direct voltage and intended for supplying said bridge section (10) with positive and negative voltage, said second intermediate circuit comprising an internal freewheeling (D5, D6) for maintaining the currents flowing through the grid choke (L1) in opposite directions.

    摘要翻译: 描述了用于将电力馈送到公用电网(7)或负载中的逆变器(1)。 逆变器(1)包括直流电压输入(2,3),连接到其上的一个第一中间电路(8),并且包括在接地端子(14)处连接在一起的两个串联电容器(C1,C2),两个交流电压 输出(5,6),其中至少一个具有栅格扼流圈(L1)和一个桥接部分(10)。 根据本发明,逆变器(1)仅包含两个开关(S1,S2),它们设置在桥接部分(10)中,并且要以高频率以及第一中间电路 8)和桥接部分(10),第二中间电路(9),其设计为至少用于选择性地升压或降压直流电压并且用于向所述桥接部分(10)提供正和负电压,所述第二中间电路 包括用于保持沿相反方向流过栅格电抗器(L1)的电流的内部续流(D5,D6)。

    Inverter capable of providing reactive power
    8.
    发明授权
    Inverter capable of providing reactive power 有权
    逆变器能够提供无功功率

    公开(公告)号:US08638581B2

    公开(公告)日:2014-01-28

    申请号:US13439314

    申请日:2012-04-04

    IPC分类号: H02M7/5387

    摘要: In an inverter includes two input lines for connection to a DC voltage source, two half-bridges connecting the two input lines, and two output lines for connection to an alternating current load or an AC power grid. Each half-bridge includes two pulse-operated switches with reverse connected diodes, each output line is connected to a center point of one of the half-bridges via an inductance, and the two output lines are connected to the same one of the input lines via a further pulse-operated switch behind the inductance with respect to the associated half-bridge.

    摘要翻译: 在逆变器中包括用于连接到DC电压源的两条输入线,连接两条输入线的两条半桥,以及用于连接到交流电力或交流电网的两条输出线。 每个半桥包括两个具有反向连接二极管的脉冲操作开关,每个输出线经由电感连接到其中一个半桥的中心点,两条输出线连接到同一条输入线 通过相对于相关联的半桥的电感后面的另一脉冲操作开关。

    Apparatus for feeding electrical energy into a power grid and DC voltage converter for such an apparatus
    9.
    发明授权
    Apparatus for feeding electrical energy into a power grid and DC voltage converter for such an apparatus 有权
    用于将电能馈入用于这种装置的电网和DC电压转换器的装置

    公开(公告)号:US07944091B2

    公开(公告)日:2011-05-17

    申请号:US12378913

    申请日:2009-02-20

    IPC分类号: B23K11/24

    摘要: The apparatus for feeding electrical energy into a power grid (8) with a DC voltage converter (2) intended for connection to a DC voltage generator (1) and with an inverter (3) connected thereto and intended for connection to a power grid (8), wherein the inverter contains a bipolar voltage intermediate circuit with two capacitors (C1, C2) that are placed in series and are connected together at a ground terminal (E3) intended for connection to a terminal of the DC voltage generator (1). The DC voltage converter (2) comprises at least two diodes (D3, D4), one switch and one storage choke (16) which is charged by the DC voltage generator (1) when the switch is closed and is discharged via the capacitors (C1, C2) and the diodes (D3, D4) when the switch is open. On the one side, the storage choke (16) forms, together with two switches (S3, S4), a first electric circuit intended for charging said storage choke (16), the electric circuit being adapted for connection to the DC voltage generator (1) by closing the switches (S3, S4) and that, on the other side, it lies, together with the two diodes (D3, D4) and the two capacitors (C1, C2), in a second electric circuit intended for simultaneously discharging of the storage choke (16) via both capacitors (C1, C2) and diodes (D3, D4), the second electric circuit being made operative by opening the switches (S3, S4).

    摘要翻译: 用于将电能馈送到具有用于连接到直流电压发生器(1)的直流电压转换器(2)和与其连接并用于连接到电网的逆变器(3)的电网(8)的装置 8,如权利要求8所述的逆变器,其特征在于,所述逆变器包含双极性电压中间电路,所述双极性电压中间电路具有串联放置并连接在所述直流电压发生器(1)的端子的接地端子(E3)上的两个电容器(C1,C2) 。 直流电压转换器(2)包括至少两个二极管(D3,D4),一个开关和一个存储扼流器(16),该开关和一个存储扼流器(16)在开关闭合时由直流电压发生器(1)充电并通过电容器 C1,C2)和二极管(D3,D4)。 一方面,存储扼流器(16)与两个开关(S3,S4)一起形成用于对所述存储扼流器(16)充电的第一电路,所述电路适于连接到所述直流电压发生器( 1)通过闭合开关(S3,S4),另一侧与两个二极管(D3,D4)和两个电容器(C1,C2)一起放置在同时用于第二电路中 通过两个电容器(C1,C2)和二极管(D3,D4)对存储扼流器(16)进行放电,第二电路通过打开开关(S3,S4)而工作。

    DC/DC CONVERTER
    10.
    发明申请
    DC/DC CONVERTER 有权
    DC / DC转换器

    公开(公告)号:US20100008105A1

    公开(公告)日:2010-01-14

    申请号:US12498513

    申请日:2009-07-07

    IPC分类号: H02M3/335

    摘要: The object of the invention is a high-efficiency DC/DC converter, in particular for photovoltaic plants, incorporating a transformerless DC/DC converter operated in the resonant mode of operation for converting a unipolar direct input voltage with an associated positive pole (+) and with a negative pole (−). There is imposed a resonance circuit incorporating at least one resonance inductance and at least one resonance capacitance, each resonance capacitance being connected to a respective one of the rectifier circuit arrangements in such a manner that the bipolar direct output voltage is provided, a voltage boosting circuit arrangement being connected to each resonance capacitance and to the rectifier circuit arrangement.

    摘要翻译: 本发明的目的是一种高效率DC / DC转换器,特别是用于光伏电站的并入无谐振DC / DC转换器的高效率DC / DC转换器,其工​​作在谐振工作模式下,用于转换具有相关正极(+)的单极直接输入电压 并带负极( - )。 施加了包括至少一个谐振电感和至少一个谐振电容的谐振电路,每个谐振电容以提供双极直接输出电压的方式连接到相应的一个整流器电路装置,升压电路 连接到每个谐振电容和整流电路装置。