WIND FARM AND METHOD AND CONTROLLER FOR FEEDING THE SAME
    1.
    发明申请
    WIND FARM AND METHOD AND CONTROLLER FOR FEEDING THE SAME 审中-公开
    风力农场和用于饲喂它的方法和控制器

    公开(公告)号:WO2018076236A1

    公开(公告)日:2018-05-03

    申请号:PCT/CN2016/103578

    申请日:2016-10-27

    Abstract: 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.

    Abstract translation: 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。

    METHOD AND SYSTEM FOR CONTROLLING COOLING SYSTEM OF POWER EQUIPMENT
    3.
    发明申请
    METHOD AND SYSTEM FOR CONTROLLING COOLING SYSTEM OF POWER EQUIPMENT 审中-公开
    控制动力设备冷却系统的方法和系统

    公开(公告)号:WO2017132981A1

    公开(公告)日:2017-08-10

    申请号:PCT/CN2016/073620

    申请日:2016-02-05

    CPC classification number: H01F27/08

    Abstract: It provides a method for controlling cooling system of a power equipment and a system using the same. The method includes steps of: obtaining a first data set representing operational cost related parameters specific to the power equipment and its cooling system at a series of time intervals of a first load cycle in a history profile; obtaining a second data set representing operational cost related parameters specific to the power equipment and its cooling system at a series of time intervals of a second load cycle in the history profile, where the second load cycle follows the first load cycle; in consideration of the parameters represented by the first data set, through knowledge-based predetermined numerical and/or logical linkages, establishing a third data set representing optimal cooling capacity parameters for the cooling system at the series of time intervals of the first load cycle according to criteria for operational cost optimization of the power equipment; in consideration of the parameters represented by the second data set, through knowledge-based predetermined numerical and/or logical linkages, establishing a fourth data set representing optimal cooling capacity parameters for the cooling system at the series of time intervals of the second load cycle according to criteria for operational cost optimization of the power equipment; establishing a fifth data set representing a cooling capacity parameter difference between the established cooling capacity parameters concerning the first load cycle and the second load cycle; establishing a sixth data set representing cooling capacity parameters for the cooling system at a series of time intervals of a present load cycle by computationally correcting the established cooling capacity parameter concerning the time intervals of the second cycle load with use of the cooling capacity parameter difference; and controlling the cooling system to operate at a series of time intervals of the present load cycle at the established cooling capacity parameters concerning the present load cycle represented by the sixth data set.

    Abstract translation: 提供了一种用于控制电力设备的冷却系统的方法和使用该方法的系统。 该方法包括以下步骤:在历史简档中以第一加载周期的一系列时间间隔获得表示与该电力设备及其冷却系统相关的特定于运行成本的参数的第一数据集; 在所述历史简档中的第二加载周期的一系列时间间隔处获得表示所述电力设备及其冷却系统特有的与运行成本相关的参数的第二数据集,其中所述第二加载周期遵循所述第一加载周期; 考虑到由第一数据集表示的参数,通过基于知识的预定数值和/或逻辑链接,建立第三数据集,其表示在第一负载循环的一系列时间间隔处针对冷却系统的最佳冷却能力参数, 以电力设备的运营成本优化标准; 考虑到由第二数据集表示的参数,通过基于知识的预定数值和/或逻辑链接,建立第四数据集,其表示在第二负载循环的一系列时间间隔处针对冷却系统的最佳冷却能力参数, 以电力设备的运营成本优化标准; 建立代表关于所述第一负载循环和所述第二负载循环的所述已建立的冷却能力参数之间的冷却能力参数差异的第五数据集; 通过使用所述冷却能力参数差计算校正关于所述第二循环负荷的时间间隔的所述建立的冷却能力参数,在当前负荷循环的一系列时间间隔处建立表示所述冷却系统的冷却能力参数的第六数据集; 并且控制冷却系统以当前负载循环的一系列时间间隔在关于由第六数据组表示的当前负载循环的既定冷却能力参数下运行。

    METHOD AND DEVICE FOR MONITORING A CIRCUIT BREAKER

    公开(公告)号:WO2020132836A1

    公开(公告)日:2020-07-02

    申请号:PCT/CN2018/123232

    申请日:2018-12-24

    Abstract: A method for monitoring a circuit breaker is provided. The method comprises: detecting at least one operation of a circuit breaker to obtain at least one vibration signal of the circuit breaker, each vibration signal being represented as one-dimensional data of a vibration amplitude over time during the operation of the circuit breaker; transforming the vibration signal to two-dimensional frequency-time data; comparing the transformed frequency-time data with benchmark data characterizing the at least one operation of the circuit breaker; and determining a health condition of the circuit breaker at least in part based on the comparison. A device for monitoring a circuit breaker is also provided. Both the frequency component and the time component in the detected test vibration signals are considered in condition determination of the circuit breaker. The condition can be determined with high accuracy.

    METHOD FOR MONITORING CIRCUIT BREAKER AND APPARAUS AND INTERNET OF THINGS USING THE SAME

    公开(公告)号:WO2020029155A1

    公开(公告)日:2020-02-13

    申请号:PCT/CN2018/099534

    申请日:2018-08-09

    Abstract: It provides a method for monitoring condition of a fleet of circuit breakers and a system and an internet of things using the same. The method includes: (a) measuring at least one type of operating condition related signal for the respective circuit breakers during their operation; (b) obtaining a set of feature data representing the respective measurements of operating condition related signal; (c) performing cluster analysis of the set of feature data based on a similarity threshold; and (d) generating a signal indicating the condition of the fleet of circuit breakers based on the cluster number resulted from the step (c). Rather than comparing the data representing the measurements of operating condition related signal to a reference model built on CB's normal data, The method applies cluster analysis of the set of feature data representing the respective measurements of operating condition related signal, does not need a reference "normal" database for comparison.

    METHOD FOR MONITORING CIRCUIT BREAKER AND APPARATUS AND INTERNET OF THINGS USING THE SAME

    公开(公告)号:WO2018232558A1

    公开(公告)日:2018-12-27

    申请号:PCT/CN2017/088974

    申请日:2017-06-19

    Abstract: It provides a method for monitoring a circuit breaker and an apparatus and an internet of things using the same. The method includes: obtaining a first data set representing force applied to a fixed point of an element of an actuating mechanism of the circuit breaker in present operation cycle, judging a health condition of the circuit breaker in consideration of normal operating condition related parameters of the element according to a history profile when the circuit breaker operated normally and current operating condition related parameters of the element in the present operation cycle extracted from the force represented by the first data set, and generating a signal indicating the health condition of the actuating mechanism of the circuit breaker the circuit breaker. The force applied to the fixed point of the actuating mechanism of the circuit breaker, which corresponds to a health condition of mechanical parts of the circuit breaker as a whole, is selected as an indicator for condition monitoring of the mechanical parts of the circuit breaker. The operating condition related parameters derived from the measurements of the force are considered giving a relatively high accurate judgement of the whole mechanical parts of the circuit breaker.

    METHOD AND SYSTEM FOR CONTROLLING COOLING SYSTEM OF POWER EQUIPMENT
    7.
    发明申请
    METHOD AND SYSTEM FOR CONTROLLING COOLING SYSTEM OF POWER EQUIPMENT 审中-公开
    控制动力设备冷却系统的方法和系统

    公开(公告)号:WO2017088172A1

    公开(公告)日:2017-06-01

    申请号:PCT/CN2015/095788

    申请日:2015-11-27

    CPC classification number: H01F27/08 H01F27/33

    Abstract: It is therefore an objective of the invention to provide a method for controlling cooling system of a power equipment and a system using the same. The method includes obtaining a first data set representing operational cost related parameters specific to the power equipment and its cooling system forecasted for a series of time intervals of present load cycle in consideration of a second data set representing operational condition related parameters for the power equipment forecasted for a series of time intervals of present load cycle; in consideration of the parameters represented by the first data set, through knowledge-based predetermined numerical and/or logical linkages, establishing a third data set representing cooling capacity parameters for the cooling system at the series of time intervals of the present load cycle according to criteria for operational cost optimization of the power equipment and its cooling system for the present load cycle; and in the present load cycle, controlling the cooling system to operate at the cooling capacity parameters at the series of time intervals represented by the established third data set. By considering the correlations between different time intervals into and making the cooling optimization valid not only at the specific time interval but also in an entire load cycle, the cooling capacities in the next at least one load cycle is optimized.

    Abstract translation: 因此,本发明的目的是提供一种用于控制动力设备的冷却系统的方法和使用该方法的系统。 该方法包括考虑代表预测的电力设备的运行条件相关参数的第二数据集,获得表示针对当前负载循环的一系列时间间隔预测的针对电力设备及其冷却系统特定的运行成本相关参数的第一数据集 对于当前负载循环的一系列时间间隔; 考虑到由第一数据集表示的参数,通过基于知识的预定数值和/或逻辑链接,建立第三数据集,该第三数据集表示在当前负载循环的一系列时间间隔处的冷却系统的冷却能力参数,根据 针对当前负载循环的动力设备及其冷却系统的运营成本优化标准; 并且在当前负载循环中,控制冷却系统以由所建立的第三数据集表示的一系列时间间隔处的冷却能力参数运行。 通过考虑不同时间间隔之间的相关性,并且使冷却优化不仅在特定时间间隔而且在整个负载循环中都有效,则在下一个至少一个负载循环中的冷却能力被优化。

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