Wind power generation system
    11.
    发明授权
    Wind power generation system 有权
    风力发电系统

    公开(公告)号:US08299642B2

    公开(公告)日:2012-10-30

    申请号:US12702922

    申请日:2010-02-09

    IPC分类号: H02H7/06

    CPC分类号: H02P9/105

    摘要: A wind power generation system includes an excessive current consumption device, an AC input of which is connected between a generator rotor and an excitation converter on a system failure to detect a DC voltage ascent of the excitation converter and operate a shunt circuit on the system failure.

    摘要翻译: 风力发电系统包括过电流消耗装置,其交流输入连接在发电机转子和励磁转换器之间,系统未能检测到激励转换器的直流电压上升并在系统故障时操作分流电路 。

    GROUP III NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE AND PRODUCTION METHOD THEREOF, AND LAMP
    12.
    发明申请
    GROUP III NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE AND PRODUCTION METHOD THEREOF, AND LAMP 有权
    III类氮化物半导体发光器件及其制造方法及灯

    公开(公告)号:US20110095327A1

    公开(公告)日:2011-04-28

    申请号:US12999850

    申请日:2009-06-17

    IPC分类号: H01L33/20 H01L33/32

    摘要: A group III nitride semiconductor light emitting device including an LED structure formed on top of a single crystal, base layer (103) formed on top of a substrate (101) including a principal plane (10) having a flat surface (11) configured from a (0001) C plane, and a plurality of convex portions (12) including a surface (12c) non-parallel to the C plane having a width (d1) of 0.05 to 1.5 μm and height (H) of 0.05 to 1 μm, the base layer is formed by causing a group III nitride semiconductor to grow epitaxially so as to cover the flat surface and convex portions, and the width (d1) of the convex portions and top portion thickness (H2) of the base layer at the positions of the top portions (12e) of the convex portions satisfy: H2=kd1 (wherein 0.5

    摘要翻译: 一种III族氮化物半导体发光器件,包括形成在基底(101)的顶部上的单晶基底层(103)的顶部上的LED结构,所述基底层包括具有由平面(11)构成的主平面(10) (0001)C面和多个凸部(12),该凸部包括与C面不平行的表面(12c),宽度(d1)为0.05〜1.5μm,高度(H)为0.05〜1μm 通过使III族氮化物半导体外延生长以覆盖平坦表面和凸部,并且凸起部分的宽度(d1)和基底层的顶部部分厚度(H2)在 凸部的顶部(12e)的位置满足:H2 = kd1(其中,0.5

    METHOD FOR PRODUCING GROUP III NITRIDE SEMICONDUCTOR LAYER, GROUP III NITRIDE SEMICONDUCTOR LIGHT-EMITTING DEVICE, AND LAMP
    13.
    发明申请
    METHOD FOR PRODUCING GROUP III NITRIDE SEMICONDUCTOR LAYER, GROUP III NITRIDE SEMICONDUCTOR LIGHT-EMITTING DEVICE, AND LAMP 有权
    用于生产III族氮化物半导体层,III族氮化物半导体发光器件和灯的方法

    公开(公告)号:US20100025684A1

    公开(公告)日:2010-02-04

    申请号:US12515157

    申请日:2007-12-19

    IPC分类号: H01L33/00 H01L21/20

    摘要: The present invention is a method for producing a group III nitride semiconductor layer in which a single crystal group III nitride semiconductor layer (103) is formed on a substrate (101), the method including: a substrate processing step of forming, on the (0001) C-plane of the substrate (101), a plurality of convex parts (12) of surfaces (12c) not parallel to the C-plane, to thereby form, on the substrate, an upper surface (10) that is composed of the convex parts (12) and a flat surface (11) of the C-plane; and an epitaxial step of epitaxially growing the group III nitride semiconductor layer (103) on the upper surface (10), to thereby embed the convex parts (12) in the group III nitride semiconductor layer (103).

    摘要翻译: 本发明是一种在基板(101)上形成单晶III族氮化物半导体层(103)的III族氮化物半导体层的制造方法,该方法包括:基板处理工序,在( 0001),基板(101)的C面,与C面不平行的多个表面(12c)的凸部(12),由此在基板上形成上表面(10),所述上表面 的凸起部分(12)和所述C平面的平坦表面(11); 以及在所述上表面(10)上外延生长所述III族氮化物半导体层(103)的外延步骤,从而将所述凸部(12)嵌入所述III族氮化物半导体层(103)中。

    Power conversion apparatus
    14.
    发明授权
    Power conversion apparatus 有权
    电力转换装置

    公开(公告)号:US06490182B2

    公开(公告)日:2002-12-03

    申请号:US09972981

    申请日:2001-10-10

    IPC分类号: H02H7122

    摘要: A semiconductor electric power converter in accordance with the present invention comprises an arm consisting of an IGBT, a capacitor connected between a collector and a gate of said IGBT, and a gate circuit connected to the gate of said IGBT for controlling the switching operation of said IGBT, wherein a plurality of said arms connected in series are connected in parallel and each midpoint of said arms connected in of series is connected to a load. Thereby the impedance between the gate terminal of the IGBT and the gate circuit is decreased when the gate voltage is higher than the gate voltage command value or the impedance between the gate and the emitter of the IGBT is decreased when the collector voltage is high so that an electric charge stored in the gate is rapidly discharged.

    摘要翻译: 根据本发明的半导体电力转换器包括由IGBT组成的臂,连接在所述IGBT的集电极和栅极之间的电容器,以及连接到所述IGBT的栅极的栅极电路,用于控制所述IGBT的开关操作 IGBT,其中串联连接的多个所述臂并联连接,并且串联连接的所述臂的每个中点连接到负载。 因此,当栅极电压高于栅极电压指令值时,IGBT的栅极端子与栅极电路之间的阻抗降低,或者当集电极电压高时IGBT的栅极和发射极之间的阻抗降低,从而 存储在门中的电荷被快速排出。

    CVT control system
    15.
    发明授权
    CVT control system 失效
    CVT控制系统

    公开(公告)号:US5439424A

    公开(公告)日:1995-08-08

    申请号:US205362

    申请日:1994-03-03

    摘要: A CVT control system comprises a controller. The controller determines the desired engine speed as a first function of operator power demand and vehicle speed during a predetermined period involving a momenet when a control element moves off from one of the maximum and minimum reduction ratio command positions, and determines the desired engine speed as a second function of the operator power demand and the vehicle speed during the subsequent period to the predetermined period.

    摘要翻译: CVT控制系统包括控制器。 当控制元件从最大和最小减速比指令位置之一移开时,控制器将期望的发动机速度确定为在涉及现场的预定时段期间的操作者功率需求和车辆速度的第一功能,并且将期望的发动机速度确定为 操作者电力需求的第二功能和在随后的时间段内的车辆速度到预定时段。

    Group-III nitride semiconductor device
    20.
    发明申请
    Group-III nitride semiconductor device 有权
    III族氮化物半导体器件

    公开(公告)号:US20070126009A1

    公开(公告)日:2007-06-07

    申请号:US10575625

    申请日:2004-10-13

    IPC分类号: H01L33/00

    摘要: An object of the present invention is to provide a Group III nitride semiconductor element which comprises a thick AlGaN layer exhibiting high crystallinity and containing no cracks, and which does not include a thick GaN layer (which generally serves as a light-absorbing layer in an ultraviolet LED). The inventive Group III nitride semiconductor element comprises a substrate; a first nitride semiconductor layer composed of AlN which is provided on the substrate; a second nitride semiconductor layer composed of Alx1Ga1-x1N (0≦x1≦0.1) which is provided on the first nitride semiconductor layer; and a third nitride semiconductor layer composed of Alx2Ga1-x2N (0

    摘要翻译: 本发明的目的是提供一种III族氮化物半导体元件,其包括具有高结晶度且不含裂纹的厚AlGaN层,并且不包括厚的GaN层(其通常用作光吸收层 紫外线LED)。 本发明的III族氮化物半导体元件包括基底; 由AlN构成的第一氮化物半导体层,其设置在基板上; 由设置在第一氮化物半导体层上的由Al x 1 Ga 1-x1 N(0 <= x1 <= 0.1)组成的第二氮化物半导体层; 以及由在第二氮化物上提供的Al x2 Ga 1-x2 N(0