1) DFIG
双馈风力发电机
1.
Magnetostatic FEM Analysis of Electromagnetic Field of Mega Watt Level DFIG
兆瓦级双馈风力发电机静态磁场有限元仿真
2.
During the process of wind power exploration, more and more attention has been paid to the research and utilization of Variable Speed Constant Frequency (VSCF) with Doubly-Fed Induction Generator (DFIG).
在世界各国开发风电的热潮中,变速恒频双馈风力发电机由于其优良的动态性能和较高的风能利用率,越来越受到人们的重视。
3.
This thesis deals with the control scheme of doubly-fed induction generator (DFIG) in wind power conversion system, which can make power generation in Variable Speed Constant Frequency (VSCF) mode.
本论文主要针对大功率双馈风力发电机的控制策略进行研究,使风电机组达到变速恒频发电的效果。
2) doubly-fed wind generator
双馈风力发电机
1.
Sliding mode control during variable speed constant frequency doubly-fed wind generator no-load connecting electric grid;
变速恒频双馈风力发电机空载并网滑模控制
2.
Research of inputting inductor parameter choisefor MW-class doubly-fed wind generator s rotor exciting convertor;
兆瓦级双馈风力发电机转子励磁变频器输入电抗器参数选择的研究
3.
However,the doubly-fed wind generator(DFWG) excitation control group circuit power electronic devices brought harmonics to the system which can not be ignored,containing double-fed wind power generating units and power generation system after network quality has posed a great danger.
本文在分析双馈风力发电机的发电原理基础上,通过对双馈发电机数学模型的分析,在Matlab软件环境下建立了双馈发电机的单机模型,并仿真了双馈发电机的运行特性;并分析了考虑谐波环境下,双馈发电机的谐波电路原理和功率特性;最后分别分析了单台双馈发电机组并入电网后在不同运行状态下产生谐波的特性,应用PSCAD/EMTDC以及Matlab仿真软件对两种情况进行了仿真,并同时对单机并网和多机并网情况下的系统并网点谐波进行了仿真分析,分析表明含双馈机的风电场在不同机组数目并网后不同运行状态下的谐波特性也有所不同。
3) doubly-fed wind power generator
双馈风力发电机
1.
When the doubly-fed wind power generator works in the over synchronous speed, both the stator winding and rotor winding output power; the power of rotor winding feedbacks to power system and the running efficiency of doubly-fed wind power generator is improved.
双馈风力发电机在超同步转速下运行时,定转子绕组能够同时输出功率,将转子绕组这部分能量回馈到电网可以提高双馈风力发电机的运行效率。
2.
From the shortcomings of the traditional converter in variable-speed constant-frequency doubly-fed wind power generator excitation system,this paper cites a TSMC as the excitation source of it.
针对传统变频器在变速恒频的双馈风力发电机励磁系统中应用不足,引入TSMC来作为双馈风力发电系统的励磁电源,根据变速恒频的双馈电机的工作原理,提出了一种基于同步旋转坐标系d、q轴变换的双空间矢量调制的TSMC闭环控制策略对发电机的转子励磁电压进行控制,大大简化并优化了变速恒频的双馈风电机励磁系统信息量的算法和结构。
4) double-fed wind-power generator
双馈风力发电机
1.
Cutting-in control of variable-speed constant-frequency double-fed wind-power generator with integral variable structure control;
变速恒频双馈风力发电机并网积分型变结构控制
5) double-fed wind generator
双馈风力发电机
1.
Cutting-in control strategy of double-fed wind generator;
双馈风力发电机空载并网控制策略研究
6) brushless doubly-fed wind generator
无刷双馈风力发电机
1.
Order reduction for brushless doubly-fed wind generators Part two: rationality analysis of reducing order;
无刷双馈风力发电机模型降阶 第Ⅱ部分:模型降阶的合理性分析
2.
Study on no load test of brushless doubly-fed wind generator;
无刷双馈风力发电机空载试验问题探讨
补充资料:风力/阳光发电系统
风力/阳光发电系统
wind/photovoltaic system
风力/阳光发电系统(wind/photovoltaiesystem)风力发电机与太阳电池组成的供电系统。其结构如图所示。由风力发电机及太阳电池输出的直流电皆向蓄电池充电.再由蓄电池输出恒压直流电供直流负载或经逆变器转换为交流电供交流负载。 风能、太阳能都具有能量密度低、稳定性差的弱┌─┐ │ │ ┌────┐└─┘ │.蓄电池 │ └────┘ ┌───┐ │电阻性│ │电热器│ └───┘ 风力/阳光发电系统点,并受地理分布、季节变化、昼夜变化等因素的影响。中国属于季风气候区,冬春季节风力强,太阳辐射弱;夏秋季风力弱,太阳辐射强,两者能量变化趋势相反,风力/阳光发电系统利用能量互补的特性,可输出比较稳定的电能,并增加供电的可靠性。风力/阳光发电系统中风力发电机、太阳电池阵列及蓄电池的容量可根据风能、太阳能变化规律及负载变化规律得出。 (王承胶)
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条