A SYSTEM AND METHOD FOR IDENTIFYING SUGGESTIONS TO REMEDY WIND TURBINE FAULTS
    1.
    发明公开
    A SYSTEM AND METHOD FOR IDENTIFYING SUGGESTIONS TO REMEDY WIND TURBINE FAULTS 审中-公开
    系统和方法识别的麻烦风力发电机组问题的提案

    公开(公告)号:EP2780585A1

    公开(公告)日:2014-09-24

    申请号:EP11784583.4

    申请日:2011-11-15

    申请人: KK-Electronic A/S

    IPC分类号: F03D11/00 G05B23/02

    摘要: The invention relates to a method of automatically identifying suggestions regarding how to remedy wind turbine faults, said method comprising: - establishing and storing a plurality of fault reports (FR), each fault report (FR) at least comprising fault symptom information (FSI) comprising data of identified fault symptoms of a previously occurred fault, and fault remedy information (FRI), said fault remedy information (FRI) comprising data regarding how said previously occurred fault was remedied, - collecting fault related data (FRD), said fault related data (FRD) at least comprising data from one or more wind turbines exposed to an occurring fault (Fl), - by means of a data processing arrangement (PA) performing data processing, said data processing comprising correlation of said fault related data (FRD) with data from one or more of said stored fault reports (FR), and - based on said correlation establishing one or more fault remedy suggestions (FRS) comprising suggestions regarding how to remedy said occurring fault (Fl) related to said one or more wind turbines based on said data processing. The invention furthermore relates to a system for automatically identifying suggestions regarding how to remedy wind turbine faults.

    APPARATUS FOR ESTIMATING A RESONANT FREQUENCY OF A WIND TURBINE TOWER
    2.
    发明公开
    APPARATUS FOR ESTIMATING A RESONANT FREQUENCY OF A WIND TURBINE TOWER 审中-公开
    DEVICE FOR估算风力涡轮机塔架的谐振频率

    公开(公告)号:EP2652467A1

    公开(公告)日:2013-10-23

    申请号:EP10803220.2

    申请日:2010-12-15

    申请人: KK-Electronic A/S

    发明人: NIELSEN, Rasmus

    IPC分类号: G01H13/00 F03D11/04

    摘要: The invention regards an apparatus for estimating a resonant frequency of a wind turbine tower, comprising a measuring module adapted for measuring acceleration values of the wind turbine tower wherein the acceleration values represent acceleration of the wind turbine tower, a filter module adapted for receiving the measured acceleration values, the filter module comprises a variable filter wherein the variable filter is adapted to attenuate frequencies in a band hereby attenuating frequencies for an output of the filter module, an adaptive algorithm module comprising an adaptive algorithm wherein the adaptive algorithm module is adapted for communicating with the filter module and wherein the adaptive algorithm is adapted to minimize the energy of the output of the filter module by adjusting the band of attenuated frequencies, a resonant frequency estimating module adapted for estimating the resonant frequency of a wind turbine tower based on the attenuated frequencies.

    Method for estimating the temperature of a semiconductor chip
    3.
    发明公开
    Method for estimating the temperature of a semiconductor chip 审中-公开
    Verfahren zur Bestimmung der Temperatur eines Halbleiterchips

    公开(公告)号:EP2568268A1

    公开(公告)日:2013-03-13

    申请号:EP11180313.6

    申请日:2011-09-07

    申请人: kk-electronic a/s

    摘要: The invention regards a method for estimating the temperature of a semiconductor chip accommodated in a power semiconductor device in operation, such as an IGBT power module, the method comprising the steps of; while the power semiconductor device is in operation determining a voltage drop over the power semiconductor device for at least a first value of applied current and; estimating the temperature of the semiconductor chip by evaluating the relationship between the determined voltage drop and the first value of applied current on the basis of a semiconductor chip temperature model.

    摘要翻译: 本发明涉及一种用于估计运行中的功率半导体器件中的半导体芯片的温度的方法,例如IGBT功率模块,该方法包括以下步骤: 而所述功率半导体器件正在运行中,确定所述功率半导体器件上的至少第一施加电流值的电压降; 基于半导体芯片温度模型,通过评估确定的电压降与施加电流的第一值之间的关系来估计半导体芯片的温度。

    MODULAR CONTROL SYSTEM FOR A WIND TURBINE OR A WIND POWER PARK AND WIND TURBINE OR WIND POWER PARK WITH SUCH CONTROL SYSTEM
    4.
    发明公开
    MODULAR CONTROL SYSTEM FOR A WIND TURBINE OR A WIND POWER PARK AND WIND TURBINE OR WIND POWER PARK WITH SUCH CONTROL SYSTEM 审中-公开
    模块化控制系统用于风力涡轮机以及风力发电场和风力涡轮机或风力发电场这样的控制系统

    公开(公告)号:EP2807372A1

    公开(公告)日:2014-12-03

    申请号:EP12703229.0

    申请日:2012-01-27

    申请人: KK-Electronic A/S

    IPC分类号: F03D7/04

    摘要: A control system for a wind turbine or a wind power park is disclosed, comprising a plurality of control stations arranged in a hierarchical master/slave configuration using a real-time communication system, each comprising a generic control unit in the form of a fully equipped computer module and a generic power module,one of which is arranged to act as a gateway or interface for communication with other control stations one level higher or one level lower in the control station hierarchy, wherein one or more of the control stations further may comprise a dedicated control unit adapted to a specifically assigned control task and/or one or more I/O unit configured to receive inputs from and generate outputs to parts of the wind turbine outside the control system. Furthermore, a wind turbine and a wind power park comprising such a control system are disclosed.

    A method for controlling a wind power park and a wind power park controlled by such method
    5.
    发明公开
    A method for controlling a wind power park and a wind power park controlled by such method 审中-公开
    用于控制风力发电场的方法和通过这样的方法风电场控制

    公开(公告)号:EP2557311A1

    公开(公告)日:2013-02-13

    申请号:EP11177407.1

    申请日:2011-08-12

    申请人: kk-electronic a/s

    IPC分类号: F03D7/04 F03D9/00

    摘要: A method for controlling a wind power park is disclosed, comprising the steps of: collecting information relating to meteorological conditions at the location of the wind power park, estimating for each of a plurality of the wind turbines the production costs per unit energy at different load levels of the respective wind turbine, collecting information from a utility grid operator relating to energy prices and possible requirements relating to the amount of power delivered from the wind power park to the utility grid, controlling the wind power park by deciding on a total amount of power to be delivered from the wind power park and distributing the decided power production between individual wind turbines, and repeating the above steps in order to obtain a dynamic control of the wind power park. Further, a wind power park being controlled by such method is disclosed.

    摘要翻译: 一种用于控制风力发电场的方法是圆盘游离缺失,包括以下步骤:收集信息在风力发电场的位置有关的气象条件,估计每个风的多个在不同的负载涡轮机每单位能量的生产成本 所述respectivement风力涡轮机的等级,从公用电网操作员有关的能源价格和可能的要求,与电力的从风力发电场输送到公用电网的量收集信息,通过决定的总量控制风力发电场 功率从风发电场被输送和分配单个风力涡轮机之间的决定电力生产,并重复以获得所述风力发电场的动态控制上述步骤。 此外,风力发电场由搜索方法控制的游离缺失盘。

    CONTROL SYSTEM FOR POWER STACKS IN A POWER CONVERTER, POWER CONVERTER WITH SUCH CONTROL SYSTEM AND WIND TURBINE WITH SUCH POWER CONVERTER
    6.
    发明公开
    CONTROL SYSTEM FOR POWER STACKS IN A POWER CONVERTER, POWER CONVERTER WITH SUCH CONTROL SYSTEM AND WIND TURBINE WITH SUCH POWER CONVERTER 审中-公开
    控制系统的电源电流互感器一堆,这样的控制系统和风力涡轮机这样的功率转换器功率转换器

    公开(公告)号:EP2807736A2

    公开(公告)日:2014-12-03

    申请号:EP13707101.5

    申请日:2013-01-28

    申请人: KK-Electronic A/S

    IPC分类号: H02M5/458 H04J3/06 H04L12/28

    摘要: A control system for one or more power stacks in a power converter is disclosed, each power stack comprising a plurality of electronic switches, said control system comprising one or more controllers, wherein a distributed clock signal from a real-time communication system is used as synchronization means for the switches in the power stacks. One or more controllers controlling the switching times of the switches in one or more power stacks may be connected directly to one or more real-time communication buses of the real-time communication system, using the distributed clock signal for synchronization of pulses when using the one or more power stacks for pulse-width modulation of a desired AC output voltage. Furthermore, a power converter comprising such a control system and a wind turbine comprising such a power converter are disclosed.

    摘要翻译: 一种用于在电力转换器的一个或多个功率堆叠的控制系统盘游离缺失,每个功率叠层包括电子开关的复数,所述控制系统包括一个或多个控制器,worin从实时通信系统的分布式时钟信号被用作为 同步装置用于在电力堆叠交换机。 一个或多个控制器控制所述开关的切换时间在一个或多个功率堆叠可以直接使用分布式时钟信号脉冲的同步使用当连接到实时通信系统的一个或多个实时通信总线, 一个或多个功率栈用于期望的交流输出电压的脉冲宽度调制。 进一步,功率转换器,包括寻求控制系统以及风力涡轮机,包括寻求一种功率转换器被游离缺失光盘。

    METHOD FOR ESTIMATING THE END OF LIFETIME FOR A POWER SEMICONDUCTOR DEVICE
    8.
    发明公开
    METHOD FOR ESTIMATING THE END OF LIFETIME FOR A POWER SEMICONDUCTOR DEVICE 有权
    一种估计寿命功率半导体元件的末端

    公开(公告)号:EP2724170A1

    公开(公告)日:2014-04-30

    申请号:EP12733004.1

    申请日:2012-06-21

    申请人: KK-Electronic A/S

    IPC分类号: G01R31/26

    CPC分类号: G01R31/2642 G01R31/2608

    摘要: The invention regards an method for estimating the end of lifetime for a power semiconductor device, such as an IGBT power module, comprising the steps of; establishing the temperature of the power semiconductor device, determining the voltage drop over the power semiconductor device for at least one predetermined current where the current is applied when the power semiconductor device is not in operation, wherein the end of lifetime is established dependent on the change in a plurality of determined voltage drops.