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    • 1. 发明申请
    • CONTROL OF A WIND POWER PLANT
    • 风力发电厂的控制
    • WO2012019609A1
    • 2012-02-16
    • PCT/DK2011/050290
    • 2011-07-22
    • VESTAS WIND SYSTEMS A/SLOVMAND, BoDALSGAARD, Søren
    • LOVMAND, BoDALSGAARD, Søren
    • F03D9/00F03D7/04
    • F03D7/043F03D7/028F03D7/048F05B2270/1033F05B2270/335F05B2270/708Y02E10/723
    • The invention relates to a method for controlling a wind power plant comprising a plurality of wind turbines being operatively connected to a plant collector grid, the method comprising the steps of providing a desired power reference signal; determining the power production of the wind power plant, and generating an actual power reference signal in response thereto; comparing the desired power reference signal with the actual power reference signal, and performing one of the following steps: 1) applying a first filter characteristic as part of a generation of a wind turbine power reference if the desired power reference signal exceeds the actual power reference signal; or 2) applying a second filter characteristic as part of the generation of the wind turbine power reference if the actual power reference signal exceeds the desired power reference signal, wherein the first filter characteristic is different from the second filter characteristic. The invention also relates to a power plant controller, a wind power plant and a computer program product.
    • 本发明涉及一种用于控制风力发电设备的方法,包括可操作地连接到工厂收集器电网的多个风力涡轮机,该方法包括以下步骤:提供期望的功率参考信号; 确定风力发电厂的发电量,并响应于此产生实际功率参考信号; 将期望的功率参考信号与实际功率参考信号进行比较,并且执行以下步骤之一:1)如果期望功率参考信号超过实际功率参考值,则应用第一滤波器特性作为生成风力涡轮机功率参考的一部分 信号; 或者2)如果实际功率参考信号超过所需的功率参考信号,则应用第二滤波器特性作为风力涡轮机功率基准的产生的一部分,其中第一滤波器特性不同于第二滤波器特性。 本发明还涉及发电厂控制器,风力发电厂和计算机程序产品。
    • 2. 发明申请
    • METHOD AND APPARATUS FOR ON-SITE AUTHORISATION
    • 用于现场授权的方法和装置
    • WO2012092928A1
    • 2012-07-12
    • PCT/DK2011/050498
    • 2011-12-19
    • VESTAS WIND SYSTEMS A/SLOVMAND, Bo
    • LOVMAND, Bo
    • H04L29/06
    • H04L63/0823G06F21/33G06F21/335G06F21/62H04L9/3268H04L63/0892H04L63/205Y04S40/24
    • A method for authorisation of a user to access a computer system locally at a site is described. The computer system determines whether a network connection to a remote authentication source is available. If the network connection is available, the computer system authenticates the user by interaction with the remote authentication source. If the network connection is not available, the computer system authenticates the user against a credential provided by the user. In this case, the credential will have been provided by or validated by the remote authentication source less than a predetermined time prior to the authenticating step, and the credential is a certificate issued by a certificate authority already trusted by the computer system and valid for a predetermined period of time. A suitable computer system is also described.
    • 描述了用于授权用户在站点本地访问计算机系统的方法。 计算机系统确定到远程认证源的网络连接是否可用。 如果网络连接可用,则计算机系统通过与远程认证源的交互来认证用户。 如果网络连接不可用,则计算机系统根据用户提供的凭证对用户进行认证。 在这种情况下,证书将由认证步骤之前的预定时间提供或由远程认证源验证,并且凭证是由计算机系统已经信任的证书颁发机构颁发的证书,并且对于 预定时间段。 还描述了合适的计算机系统。
    • 3. 发明申请
    • METHOD OF CONTROLLING A WIND TURBINE IN A WIND POWER PLANT
    • 风力发电厂风力发电机组控制方法
    • WO2008145121A1
    • 2008-12-04
    • PCT/DK2007/000260
    • 2007-05-31
    • VESTAS WIND SYSTEMS A/SLOVMAND, Bo
    • LOVMAND, Bo
    • G05B15/02
    • H02P9/04F03D7/047G05B15/02G05B2219/2619Y02E10/723
    • The invention relates to a method of controlling a wind turbine (WT) in a wind power plant, the wind turbine comprises a wind turbine controller (WTC) and at least one connected wind turbine component (WTCO) the wind turbine controller (WTC) receiving data packets (DP) originating from a central controller (CC), at least one of said data packets comprising instructions, the WTC performing the followings steps if one of said data packets (DP) comprises a combined "write/read" instruction (WRI) - effectuating a write instruction designated by said data packets (DP), - retrieving information data (ID) resulting from the above effectuation of said write instruction from at least one of said wind turbine component (WTCO), - transmitting said information data to said central controller (CC) upon reception of the information data from at least one wind turbine components (WTCO).
    • 本发明涉及一种控制风力发电厂中的风力涡轮机(WT)的方法,所述风力涡轮机包括风力涡轮机控制器(WTC)和风力涡轮机控制器(WTC)接收的至少一个连接的风力涡轮机部件(WTCO) 源自中央控制器(CC)的数据分组(DP),所述数据分组中的至少一个包括指令,如果所述数据分组(DP)中的一个包括组合的“写入/读取”指令(WRI),则WTC执行以下步骤 - 执行由所述数据分组(DP)指定的写入指令, - 从所述风力涡轮机部件(WTCO)中的至少一个上述所述写入指令的执行得到的信息数据(ID)检索 - 将所述信息数据传送到 所述中央控制器(CC)在接收到来自至少一个风力涡轮机部件(WTCO)的信息数据时。
    • 8. 发明申请
    • SYSTEM AND METHOD OF CONTROLLING A WIND TURBINE IN A WIND POWERPLANT
    • 风力发电机风力发电系统及其控制方法
    • WO2008025363A1
    • 2008-03-06
    • PCT/DK2007/000392
    • 2007-09-03
    • VESTAS WIND SYSTEMS A/SLOVMAND, BoRASMUSSEN, KeldBENGTSON, John
    • LOVMAND, BoRASMUSSEN, KeldBENGTSON, John
    • G05B23/02G05B15/02
    • G05B15/02F03D7/047F03D7/048G05B2219/13G05B2219/2619Y02E10/723
    • The invention relates to a central controller (CC) adapted for controlling a number of wind turbines (WT), said wind turbines (WT) are controlled and monitored by said central controller (CC) via a first monitoring and control network (MCNl) and a second monitoring and control network (MCN2). The term monitoring and control network is in accordance with an embodiment of the invention understood as a data communication network which communicates at least control data for control of wind turbines, but may also communicate monitoring data, i.e. measure data. A typical example of a control of wind turbines is that the central controller sets the power set-point (the power to be produced) of each wind turbine in the wind power plant. A further advantageous feature of the invention is also that the important control signals may be separated from high-bandwidth requiring monitoring data, such as analysis data in the communication network.
    • 本发明涉及适于控制多个风力涡轮机(WT)的中央控制器(CC),所述风力涡轮机(WT)由所述中央控制器(CC)经由第一监控和控制网络(MCN1)和 第二个监测和控制网络(MCN2)。 术语监测和控制网络根据本发明的实施例被理解为数据通信网络,该数据通信网络至少通信用于控制风力涡轮机的控制数据,但也可以传送监测数据,即测量数据。 风力涡轮机控制的一个典型例子是中央控制器设置风力发电厂中每个风力涡轮机的功率设定点(待生产的功率)。 本发明的另一有利特征还在于,可以将重要的控制信号与诸如通信网络中的分析数据的高带宽要求监视数据分离。