System and method of power conversion
    51.
    发明公开
    System and method of power conversion 有权
    电力转换系统和方法

    公开(公告)号:EP2897278A3

    公开(公告)日:2015-09-16

    申请号:EP14198982.2

    申请日:2014-12-18

    IPC分类号: H02M7/483 H02M1/00

    摘要: Systems 10 and methods 300 for converting power are presented. The power conversion includes conducting load current through a first current path 92 of multiple current paths in a power conversion unit 12 using switches 60, diodes 74, or a combination thereof. The power conversion also includes blocking one or more additional current paths 94 of the multiple current paths in the power conversion unit 12 using one or more of the switches 60, one or more of the diodes 74, or a combination thereof. Furthermore, the power conversion includes reducing potential voltage stress on the one or more switches 60 by using one or more voltage stress reduction switches to reduce a voltage that is blocked by the one or more blocking switches or diodes 74 by connecting an end of each of the one or more switches 60 opposite to a blocking edge to an intermediate voltage node 84.

    摘要翻译: 呈现了用于转换功率的系统10和方法300。 功率转换包括使用开关60,二极管74或其组合在功率转换单元12中通过多个电流路径的第一电流路径92传导负载电流。 功率转换还包括使用开关60中的一个或多个,二极管74中的一个或多个或其组合来阻断功率转换单元12中的多个电流路径中的一个或多个额外电流路径94。 此外,功率转换包括通过使用一个或多个电压应力降低开关来降低一个或多个开关60上的潜在电压应力,以通过将一个或多个阻断开关或二极管74的每一个 一个或多个开关60与中间电压节点84的阻挡边缘相对。

    High performance IGBT gate drive
    53.
    发明公开
    High performance IGBT gate drive 审中-公开
    HochleistungsfähigerIGBT-Gate-Treiber

    公开(公告)号:EP2884664A1

    公开(公告)日:2015-06-17

    申请号:EP14194497.5

    申请日:2014-11-24

    IPC分类号: H03K17/16 H03K17/0412

    摘要: High performance gate drives 200, 300 and methods 500 for driving semiconductor switching elements, such as insulated gate bipolar transistors (IGBTs), are provided. The gate drive 200, 300 can control the voltage applied to the gate of the IGBT 210, 220 to one or more intermediate voltages near the threshold voltage of the IGBT 210, 220 to control dv/dt of the collector-emitter voltage during and the di/dt of the collector current turn off. For instance, a voltage level between the turn on voltage and the turn off voltage can be applied for a first time period 506 to control dv/dt of the collector-emitter voltage and di/dt of the collector current during turn off. Another voltage level between the turn on voltage and the turn off voltage can be applied for a second time period 508 during reverse recovery of a freewheeling diode 215, 225 coupled in parallel with the IGBT 210, 220.

    摘要翻译: 提供了高性能栅极驱动器200,300和用于驱动半导体开关元件的方法500,例如绝缘栅双极晶体管(IGBT)。 栅极驱动器200,300可以将施加到IGBT210,220的栅极的电压控制为接近IGBT210,220的阈值电压的一个或多个中间电压,以控制集电极 - 发射极电压的dv / dt 集电极电流的di / dt关闭。 例如,可以在第一时间周期506期间施加导通电压和关断电压之间的电压电平,以在关断期间控制集电极 - 发射极电压的dv / dt和集电极电流的di / dt。 在与IGBT 210,220并联耦合的续流二极管215,220的反向恢复期间,可以在第二时间段508中施加导通电压和关断电压之间的另一个电压电平。

    Power converter with a multi-level bridge topology and control method
    54.
    发明公开
    Power converter with a multi-level bridge topology and control method 审中-公开
    Leistungswandler mit mehrstufigerBrückentopologieund Steuerverfahren

    公开(公告)号:EP2838189A3

    公开(公告)日:2015-03-25

    申请号:EP14179741.5

    申请日:2014-08-04

    IPC分类号: H02M7/483

    摘要: The present subject matter is directed to apparatus 150 and methods for producing a variable frequency output waveform from a power converter 162 for use in a power generation system, such as a wind turbine power generation system 11. A voltage divider is employed to provide plural voltage levels to which a multi-level bridge circuit employing selectively activated switches (1 ... 14) in pairs of switches is coupled. The switches (1 ... 14) are operated in such a fashion as to produce a generally sinusoidal waveform that may be easily filtered by low cost filters 110 due to the plural voltage levels to produce a generally smooth sine wave from the converter 162. Such converters 162 may be used in various environments including in pairs in multi-phase power converters.

    摘要翻译: 本主题涉及装置150以及用于在诸如风力发电系统11的发电系统中使用的功率转换器162的可变频率输出波形的方法。使用分压器来提供多个电压 耦合有成对开关的采用选择性激活的开关(1 ... 14)的多电平电桥电路的电平。 开关(1 ... 14)的操作方式是产生大致正弦波形,由于多个电压电平可以容易地由低成本滤波器110滤波,以从转换器162产生大致平滑的正弦波。 这样的转换器162可以用于包括成对在多相功率转换器中的各种环境中。

    Line side crowbar for energy converter
    55.
    发明授权
    Line side crowbar for energy converter 有权
    AnschlussseitigerÜberspannungsschutzfürEnergiewandler

    公开(公告)号:EP2290227B1

    公开(公告)日:2015-03-25

    申请号:EP10173576.9

    申请日:2010-08-20

    IPC分类号: F03D9/00 H02H9/04 F03D7/00

    摘要: A line side crowbar circuit (140) for an energy converter (105) is disclosed. In one aspect there is a power unit (100) that includes an energy converter (105); a transformer (130) configured to transfer electrical energy generated from the energy converter (105) to an electrical grid; and a crowbar (140) coupled to the energy converter (105) and the transformer (130) that is configured to prevent an overvoltage event from damaging electrical components associated with the energy converter (105) and the transformer (130).

    摘要翻译: 公开了一种用于能量转换器(105)的线路侧短路电路(140)。 在一个方面,存在包括能量转换器(105)的功率单元(100); 被配置为将从所述能量转换器(105)产生的电能传递到电网的变压器(130) 以及耦合到所述能量转换器(105)和所述变压器(130)的撬棍(140),其被配置为防止过电压事件损坏与所述能量转换器(105)和所述变压器(130)相关联的电气部件。

    Systems and apparatus relating to wind turbine electrical control and operation
    56.
    发明公开
    Systems and apparatus relating to wind turbine electrical control and operation 有权
    系统和与该电控制和风力涡轮机的操作装置,

    公开(公告)号:EP2341607A3

    公开(公告)日:2014-03-19

    申请号:EP10195041.8

    申请日:2010-12-15

    摘要: An electrical system for connecting a wind turbine 10 to a power grid 179 that includes: a frequency converter 103 that converts electric power produced by a generator 101 of the wind turbine 10 into electric power that is synchronized with the electric power of the power grid 179; a transformer 181 that steps up the voltage for connection to the power grid 179, the transformer 181 being disposed between the frequency converter 103 and a connection to the power grid 179; and a grid-side crowbar circuit 302; wherein the grid-side crowbar circuit 302 is configured to apply a short circuit to the electrical system upon the detection of a fault.

    摘要翻译: 用于风力涡轮机10连接到电力网179那样的电系统,包括:频率转换器103那样将由风力涡轮机10为电力的发电机101产生的电功率也被与电网179的电功率同步 ; 变压器181逐步增加的电压没有用于连接到电网(179),变压器的频率转换器103和电网179的连接之间被布置181; 和电网侧短路器电路302; worin电网侧短路器电路302被配置在检测到故障的短路应用到电气系统。

    System and method for operating an electric power converter
    57.
    发明公开
    System and method for operating an electric power converter 审中-公开
    系统和Verfahrenfürden Betrieb eines Stromwandlers

    公开(公告)号:EP2590211A2

    公开(公告)日:2013-05-08

    申请号:EP12190602.8

    申请日:2012-10-30

    IPC分类号: H01L23/427 H02M7/00

    摘要: An electric power converter 104 for a renewable power source 102 includes at least one alternating current (AC) conduit 176,178,180 coupled to an external AC power device 106 and at least one direct current (DC) conduit 114,116,118,132 coupled to an external DC power device 102. The converter also includes at least one immersion structure 222,322 defining at least one immersion cavity 226,326 therein and a plurality of semiconductor devices 200,300. The semiconductor devices include a substrate 204,304 positioned within the immersion cavity. The substrate defines a plurality of heat transfer surfaces 206,207,306,307 thereon. The semiconductor devices also include at least one semiconductor die 202,302 coupled to the substrate, the AC conduit, and the DC conduit. The converter further includes a liquid 228,328 at least partially filling the immersion cavity such that the semiconductor die is fully immersed in and in direct contact with the liquid. Heat 248,348 generated in the semiconductor device induces a phase change in the liquid.

    摘要翻译: 用于可再生电源102的电力转换器104包括耦合到外部AC电力设备106和耦合到外部DC电力设备102的至少一个直流(DC)导管114,116,118,132的至少一个交流电(AC)导管176,178,180。 转换器还包括至少一个浸没结构222,322,其中限定了至少一个浸入腔226,326和多个半导体器件200,300。 半导体器件包括位于浸入腔内的衬底204,304。 衬底在其上限定多个传热表面206,207,306,307。 半导体器件还包括耦合到衬底,AC导管和DC导管的至少一个半导体管芯202,302。 转换器还包括至少部分地填充浸入腔的液体228,328,使得半导体管芯完全浸没在液体中并与液体直接接触。 在半导体器件中产生的热248,348引起液体中的相变。

    Systems and methods involving permanent magnet electric machine rotor position determination
    59.
    发明公开
    Systems and methods involving permanent magnet electric machine rotor position determination 有权
    其包括确定电机的转子位置Permamentmagnet的系统和方法

    公开(公告)号:EP2149976A1

    公开(公告)日:2010-02-03

    申请号:EP09166035.7

    申请日:2009-07-21

    IPC分类号: H02P6/18 G01D5/20

    CPC分类号: H02P6/185 G01D5/2006

    摘要: A method 200 for determining rotor position comprising sending a signal to a stator 102, receiving a first signal indicative of a first estimated stator inductance, and receiving a second signal indicative of a second estimated stator inductance. The method further includes, calculating a first rotor position angle using a function including the first estimated stator inductance and the second estimated stator inductance.

    摘要翻译: 一种用于确定性采矿转子位置包括将信号发送到定子102接收指示第一估计定子电感的第一信号,以及接收指示第二估计定子电感的第二信号方法200。 该方法包括进一步地,计算使用函数包括所述第一估计的定子电感和第二估计的定子电感的第一转子位置角。

    Systems and methods for balancing of DC link in three level PWM power conversion equipment
    60.
    发明公开
    Systems and methods for balancing of DC link in three level PWM power conversion equipment 审中-公开
    系统和Verfahren zum Abgleichen eines Gleichspannungszwischenkreises在einem 3级PWM-Konverter

    公开(公告)号:EP1906517A3

    公开(公告)日:2009-07-22

    申请号:EP07116214.3

    申请日:2007-09-12

    IPC分类号: H02M7/155

    摘要: A power converting apparatus and method providing for the addition of a fourth power connection wire to the neutral point of the normal three phase load circuit (105). This allows delivery of combined current from the center of the DC link voltage to load. The added control enables a third harmonic injection to flow and allows for increased power rating per peak amp handled by the conversion system. Limiting of faults to the positive half versus the negative half of the DC system allows for more robust behavior when encountering these fault conditions.

    摘要翻译: 一种电力转换装置和方法,用于向正常三相负载电路(105)的中性点添加第四电力连接线。 这允许将组合的电流从DC链路电压的中心传递到负载。 添加的控制使得三次谐波注入流动,并允许由转换系统处理的每个峰值放大器的额定功率增加。 将故障限制在直流系统的正半部分与负半部分之间允许在遇到这些故障条件时具有更强大的行为。