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1. 发明申请

US20120193915A1 REACTIVE VOLTAGE CONTROL SYSTEM AND METHOD FOR WIND POWER FIELD OF DOUBLE-FED WIND POWER-GENERATING UNIT 审中-公开
标题翻译：双风力发电机组风力发电场的反应电压控制系统及方法
公开(公告)号：US20120193915A1
公开(公告)日：2012-08-02
申请号：US13355440
申请日：2012-01-20
申请人： ZHI LIU , Lifu Xin , Song Yang , Liying Su , Yang Li
发明人： ZHI LIU , Lifu Xin , Song Yang , Liying Su , Yang Li
IPC分类号： H02P9/04
CPC分类号： H02J3/1885 , H02J3/386 , H02J3/50 , Y02E10/763 , Y02E40/32
摘要： The invention provides a reactive voltage control system and method for wind power field of double-fed wind power-generating unit. The system comprises dispatching center equipment, a power management module for the wind power field and a plurality of controllers for the double-fed wind power-generating unit, wherein the dispatching center equipment is used for calculating a reactive power set value of the wind power field; the power management module for the wind power field is used for distributing the reactive power set value in the wind power field; and the controllers for the double-fed wind power-generating unit are used for controlling corresponding double-fed wind power-generating unit to perform reactive power compensation. According to the reactive voltage control system and the reactive voltage control method for the wind power field of the double-fed wind power-generating unit, the reactive output capability of the double-fed wind power-generating unit can be fully exerted.
摘要翻译：本发明提供了一种双馈风力发电机组风电场无功电压控制系统及方法。该系统包括调度中心设备，用于风力场的电源管理模块和用于双馈风力发电单元的多个控制器，其中调度中心设备用于计算风力发电的无功功率设定值领域; 用于风电场的电力管理模块用于分配风电场中的无功功率设定值; 双馈风力发电机组的控制器用于控制相应的双馈风力发电机组进行无功补偿。根据双馈风力发电机组风电场的无功电压控制系统和无功电压控制方式，可以充分发挥双馈风力发电机组的无功输出能力。

2. 发明申请

US20120041609A1 CONTROL METHOD OF AUTOMATIC LUBRICATION SYSTEM OF VARIABLE-PITCH BEARING USED FOR WIND TURBINE GENERATOR SYSTEM 审中-公开
标题翻译：用于风力发电机系统的变量轴承自动润滑系统的控制方法
公开(公告)号：US20120041609A1
公开(公告)日：2012-02-16
申请号：US13086248
申请日：2011-04-13
申请人： Lifu XIN , Xuan CAI , Lei LI
发明人： Lifu XIN , Xuan CAI , Lei LI
IPC分类号： G06F1/28
CPC分类号： F16N29/02 , F03D7/0224 , F03D80/70 , F05B2260/79 , F05B2260/98 , F16C2360/31 , F16N2210/025 , F16N2250/00 , F16N2250/42 , Y02E10/723
摘要： The present invention provides a control method of an automatic lubrication system of a variable-pitch bearing used for a wind turbine generator system (WTGS). The method comprises the following steps: calculating a current friction factor of the variable-pitch bearing using a current friction moment of the variable-pitch bearing of WTGS; determining a demand of lubrication grease according to the operation power of WTGS and the current friction factor of the variable-pitch bearing, wherein the friction factor of the variable-pitch bearing to be obtained is taken as an objective; customizing a lubrication control strategy according to the demand of lubrication grease, wherein a predetermined energy production of WTGS is taken as an objective; calculating lubrication target regions according to an average wind speed and a power of an wind turbine, the lubrication target regions being operation regions of the tooth surfaces of the variable-pitch bearing; meanwhile, calculating an angle difference between grease discharge points of a lubrication pinion and the lubrication target regions; moving the angle difference by an actuator of a variable-pitch system under the control of the main controller of the WTGS, and carrying out automatic lubrication according to the control strategy. The present invention has the advantage that good lubrication is realized for the variable-pitch bearing and variable-pitch tooth surfaces.
摘要翻译：本发明提供了一种用于风力发电机系统（WTGS）的可变节距轴承的自动润滑系统的控制方法。该方法包括以下步骤：使用WTGS的可变节距轴承的当前摩擦力矩计算可变节距轴承的当前摩擦系数; 根据WTGS的操作功率和可变节距轴承的当前摩擦系数确定润滑脂的需求，其中将要获得的可变节距轴承的摩擦系数作为目的; 根据润滑脂的需求定制润滑控制策略，其中以WTGS的预定能量产生为目标; 根据平均风速和风力涡轮机的功率来计算润滑目标区域，所述润滑目标区域是所述可变俯仰轴承的齿面的操作区域; 同时计算润滑小齿轮的润滑脂排出点与润滑目标区域之间的角度差; 在WTGS主控制器的控制下通过变桨距系统的执行机构移动角度差，根据控制策略进行自动润滑。本发明的优点在于可变节距轴承和可变节距齿面实现良好的润滑。

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