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    • 1. 发明申请
    • SURGE ARRESTER AND ASSOCIATED MANUFACTURING METHOD
    • WO2019140586A1
    • 2019-07-25
    • PCT/CN2018/073192
    • 2018-01-18
    • ABB SCHWEIZ AGLI, ChunSOTIROPOULOS, EktorGREUTER, FelixCHEN, JianshengHE, JianSONG, LiangZHOU, Weidong
    • LI, ChunSOTIROPOULOS, EktorGREUTER, FelixCHEN, JianshengHE, JianSONG, LiangZHOU, Weidong
    • H01C7/12
    • It provides a surge arrester (1) and its manufacturing method. The surge arrestor (1) includes an active part (10) extending along a longitudinal direction (14) of the surge arrester (1), a first electrode (11) having a first interlocking part (110), being arranged to rest against a first end (100) of the active part (10), a second electrode (12) resting against a second end (101) of the active part (10), wherein the second end (101) opposes the first end (100) in the longitudinal direction (14) of the surge arrester (1), a flexible insulating housing (13), being arranged around an assembly of the first electrode (11), the active part (10) and the second electrode (12), and a second interlocking part (132) formed on an inner surface of the flexible insulating housing (13). The first interlocking part (110) of the first electrode (11) is arranged to fit with the second interlocking part (132) of the flexible insulating housing (13) for preventing relative movement of the first electrode (11) and the flexible insulating housing (13) in the longitudinal direction (14) of the surge arrester (1). The flexible insulating housing (13) includes: a support member (130) mechanically connecting and supporting the assembly of the first electrode (11), the active part (10) and the second electrode (12), which has a plurality of supporting elements (130a,130b) being arranged parallel to the longitudinal direction (14) of the surge arrester (1) and being arranged laterally at sides of the assembly of the first electrode (11), the active part (10) and the second electrode (12), and an insulating expandable part (131) with a plurality of sheds extending outwards, being moulded around the support member (130) and being spaced apart from the assembly of the first electrode (11), the active part (10) and the second electrode (12). Because the support elements (130a,130b) are mechanically connected by the flexible insulating housing (13), by exerting outwards radial force on the flexible insulating housing (13), the cross- section of its inner space is enlarged, thus making it easier to insert the assembly of the first electrode (11), the active part (10) and the second electrode (12) into the flexible insulating housing (13). Besides, the interlocking mechanism ay prevent an undesirable relative movement between the electrode (11,12) and the flexible insulating housing (13) in the longitudinal direction (14).
    • 7. 发明申请
    • WIND FARM AND METHOD AND CONTROLLER FOR FEEDING THE SAME
    • 风力农场和用于饲喂它的方法和控制器
    • WO2018076236A1
    • 2018-05-03
    • PCT/CN2016/103578
    • 2016-10-27
    • ABB SCHWEIZ AGYU, RongrongYAO, DaweiLI, ChunCHEN, NiyaZHANG, Yan
    • YU, RongrongYAO, DaweiLI, ChunCHEN, NiyaZHANG, Yan
    • H02J3/46
    • A method for feeding a grid by a group of wind turbines (WT1, WT2, WT3, WT4, WT5) in a wind farm and controller (10) and wind farm using the same is provided. The method includes: (a) obtaining first real-time SCADA data and first real-time constant variables concerning each of the wind turbines (WT1, WT2, WT3, WT4, WT5) in the group for a first time point, and first calculating fatigue degree of the wind turbine using the obtained first real-time SCADA data and the first real-time constant variables thereof; and (b) first distributing the grid load among the wind turbines (WT1, WT2, WT3, WT4, WT5) in the group using the calculated fatigue degrees thereof. By having the solutions as mention above, during the operation period of "Crack Generation", it provides output data indicative of a load distribution among the wind turbines (WT1, WT2, WT3, WT4, WT5) of the wind farm in relation to the fatigue degrees of the wind turbines (WT1, WT2, WT3, WT4, WT5). This allows achieving an optimal load distribution among the wind turbines from time to time (i.e. at each execution cycle thereof) always taking into account the fatigue degrees of the wind turbines (WT1, WT2, WT3, WT4, WT5), which represent the operating conditions of the wind turbine prior to occurrence of defect. During "crack generation" operation period of wind turbines, this is helpful for controlling in a mode designed based on fatigue minimization so as to postpone defect occurrence as much as possible which is able to extend lifetime of wind farm with fixed capital cost.
    • 提供了一种由风力农场和控制器(10)中的一组风力涡轮机(WT1,WT2,WT3,WT4,WT5)馈送电网的方法以及使用该方法的风力发电场。 该方法包括:(a)在第一时间点获得关于该组中的每个风力涡轮机(WT1,WT2,WT3,WT4,WT5)的第一实时SCADA数据和第一实时常数变量,并且第一计算 使用所获得的第一实时SCADA数据及其第一实时常数变量来计算风力涡轮机的疲劳程度; (b)首先使用计算出的疲劳度来分配组中的风力涡轮机(WT1,WT2,WT3,WT4,WT5)之中的电网负载。 通过具有上述解决方案,在“裂纹产生”的操作期间,其提供指示风力发电场的风力涡轮机(WT1,WT2,WT3,WT4,WT5)中的负载分布的输出数据, 风力涡轮机的疲劳度(WT1,WT2,WT3,WT4,WT5)。 这允许总是考虑风力涡轮机(WT1,WT2,WT3,WT4,WT5)的疲劳程度来实现风力涡轮机之间不时的最佳负载分配(即,在其每个执行周期) 在发生缺陷之前风力涡轮机的状况。 在“裂缝产生”期间, 这有助于在基于疲劳最小化设计的模式下进行控制,从而尽可能延迟缺陷的发生,从而能够延长固定资本成本的风电场寿命。