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    • 2. 发明申请
    • METHOD FOR DIAGNOSING AN ELECTRIC DEVICE
    • 用于诊断电气设备的方法
    • WO2014006662A1
    • 2014-01-09
    • PCT/JP2012/004398
    • 2012-07-06
    • MITSUBISHI HEAVY INDUSTRIES, LTD.BALDINI, Francesco
    • BALDINI, Francesco
    • G01R31/12G01R31/28
    • G01R31/1227G01R31/2846
    • The invention relates to a method for diagnosing an electric device, preferably a high-voltage device, comprising the steps of acquisition of measured values of operational parameters of the electric device to obtain a first set of data, which first set of data is analogue data, amplifying the first set of data and converting the amplified first set of data from analogue to digital to obtain a second set of data from the first set of data, filtering the second set of data by means of predetermined filtering processes to obtain a third set of data from the second set of data, processing the third set of data by means of at least one statistical algorithm to obtain a set of statistical features of the third set of data, these statistical features of the third set of data forming a fourth set of data, and applying a neural network processing step to the fourth set of data by utilizing a neural network in order to classify the fourth set of data so as to obtain a fifth set of data that characterizes an diagnostic status of the electric device.
    • 本发明涉及一种用于诊断电气设备,优选高压设备的方法,包括以下步骤:获取电气设备的操作参数的测量值以获得第一组数据,所述第一组数据是模拟数据 放大第一组数据并将放大的第一组数据从模拟转换成数字,以从第一组数据获得第二组数据,借助于预定的滤波处理对第二组数据进行滤波以获得第三组 来自第二组数据的数据,借助于至少一种统计算法处理第三组数据以获得第三组数据的一组统计特征,第三组数据的这些统计特征形成第四组 的数据,并且通过利用神经网络将神经网络处理步骤应用于第四组数据,以便对第四组数据进行分类,以便获得第五组数据 表征电气设备的诊断状态。
    • 4. 发明申请
    • LIGHTNING CURRENT TRANSFER SYSTEM FOR A WIND TURBINE GENERATOR
    • 用于风力发电机的雷电电流传输系统
    • WO2013084374A1
    • 2013-06-13
    • PCT/JP2012/004862
    • 2012-07-31
    • MITSUBISHI HEAVY INDUSTRIES, LTD.GLOBAL LIGHTNING PROTECTION SERVICES A/SFUJIOKA, HideyasuKAMEDA, TakuroFURUKAWA, SyogoKROGH, Thomas Holm
    • FUJIOKA, HideyasuKAMEDA, TakuroFURUKAWA, SyogoKROGH, Thomas Holm
    • H02G13/00F03D11/00
    • H02G13/00F03D80/30Y02E10/721
    • A lightning current transfer system for a wind turbine generator is provided, the wind turbine generator comprising a rotor including a hub, a blade bearing, a blade, and a spinner, and a nacelle, the blade being rotatable relative to the hub and the hub being rotatable relative to the nacelle. In order to effectively protect the wind turbine generator from damage caused by lightning, to increase flexibility of use, simplicity, rigidness, operational safety and durability of such a lightning current transfer system, especially for use in a wind turbine generator brought into offshore operation, the lightning current transfer system comprises a first electrical contact arrangement including first and second complementary contact members, the first contact member being supported at the blade and being in electrical connection with a blade conductor arrangement arranged on the blade, the second contact member being supported at the hub, the spinner or the blade bearing, wherein the first and the second contact members are arranged to be electrically connectable to each other, conducting means connected to the first electrical contact arrangement, a second electrical contact arrangement connected to the conducting means and including third and fourth complementary contact members, the third contact member being supported at the hub, the spinner or the blade bearing, the fourth contact member being supported at the nacelle, wherein the third and the fourth contact members are arranged to be electrically connectable to each other, the lightning current transfer system providing a current path for a lightning current from the blade to the nacelle, the current path including the first electric contact arrangement, the conducting means and the second electric contact arrangement, the first contact member being arranged in a predetermined distance from a blade root of the blade, said blade root being mounted to the hub by means of the blade bearing, and wherein the first contact member is formed as a discharge ring being connected to the blade conductor arrangement, the blade conductor arrangement being formed by a metal foil or a metal mesh extending over at least a part of a longitudinal extension of the blade, wherein the lightning current transfer system is disposed inside of the spinner and/or inside of the nacelle, and wherein the conducting means is mounted stationarily at a mounting member, the mounting member being supported at the spinner, the hub or the blade bearing or being formed by the spinner, the hub or the blade bearing. Moreover, a wind turbine generator comprising a lightning current transfer system of the aforementioned kind is provided.
    • 提供了一种用于风力涡轮发电机的雷电流传递系统,所述风力涡轮发电机包括转子,所述转子包括轮毂,叶片轴承,叶片和旋转器以及机舱,所述叶片可相对于所述轮毂和所述轮毂 可相对于机舱旋转。 为了有效地保护风力发电机免受雷击造成的损害,为了提高这种雷电流传输系统的使用灵活性,简便性,刚性,操作安全性和耐用性,特别适用于进入海上作业的风力发电机组, 闪电电流传输系统包括包括第一和第二互补触点构件的第一电接触装置,第一接触构件被支撑在叶片处并与布置在叶片上的叶片导体装置电连接,第二接触构件被支撑在 轮毂,旋转器或叶片轴承,其中第一和第二接触构件被布置成彼此电连接,连接到第一电接触装置的导电装置,连接到导电装置的第二电接触装置,并且包括 第三和第四个互补联系人 所述第三接触构件被支撑在所述轮毂处,所述旋转器或所述叶片轴承,所述第四接触构件被支撑在所述机舱处,其中所述第三接触构件和所述第四接触构件彼此电连接,所述雷电流传递 系统提供用于从叶片到机舱的雷电流的电流路径,电流路径包括第一电接触装置,导电装置和第二电接触装置,第一接触构件布置在与叶片根部预定距离 所述叶片根部通过所述叶片轴承安装到所述轮毂上,并且其中所述第一接触构件形成为连接到所述叶片导体装置的排出环,所述叶片导体装置由金属箔或 金属网,其延伸在叶片的纵向延伸部的至少一部分上,其中雷电流传递系统是disp 驱动在旋转器内部和/或机舱内部,并且其中导电装置固定地安装在安装构件上,安装构件支撑在旋转器,轮毂或叶片轴承处或由旋转器形成,毂 或刀片轴承。 此外,提供了包括上述类型的雷电电流传输系统的风力涡轮发电机。