• By using the frequency and speed modulation technology, the electricity consumed will vary with the amount of the wind, thus a remarkable energy-saving result is achieved.

    变频调速技术通过改变电动机工作电源频率调节电机转速,消耗电能风量大小而变,具有显著节能效果。

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  • The decoupled control of active power and reactive power is a key technology of variable speed constant frequency (VSCF) wind energy generation system.

    发电机有功无功功率控制变速(VSCF)风力发电系统关键技术

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  • Finally, natural wind speed frequency distribution and the extreme wind speed in each section have been got by statistically processing of the routine calculation results.

    最后,将编程计算结果进行统计处理得到区段的自然风风速频率分布以及风速极值

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  • The disturbance of wind mainly means the variety of speed and frequency of wind, and it's affected by forest density and the distribution of wind field under complex landform.

    扰动主要包括风速频率变化,并不同林木密度复杂地形的风分布的影响。

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  • A variable speed constant frequency wind power generation system of doubly-fed induction generator based on converter excitation was described.

    建立基于变换器励磁的感应电机的变速风力发电功率控制系统的模型。

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  • Two kinds of wind power generation systems are introduced as well as the frequency control, power control and rotational speed control of generator in parallel operation.

    介绍了风力发电系统种形式并网运行的频率控制功率控制、发电机转速控制。

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  • Results also show that decrease of pressure gradient in winter and spring influences dust weather frequency by affecting wind speed indirectly.

    冬春季节气压梯度减小风速减小、进而导致沙尘日数减小的关键间接因素

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  • The wind speed which can cause the bar resonant vibration has a strong relation with the self-vibration frequency of the bar.

    其共振风速件自身频率很大关系

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  • This article is about the research of space control in the variable speed constant frequency wind energy conversion system.

    本文主要研究变速双馈风力发电系统中的矢量控制

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  • This paper introduces the control method for the Wind Turbine Units of constant speed constant frequency and variable speed constant frequency.

    文章介绍了变速恒频并网型风力发电机组控制方法

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  • MW variable speed constant frequency wind turbine from shenyang university of technology is a variable pitch wind turbine, it can change pitch to adjust power above rated wind speed.

    沈阳工业大学研制MW级变速风电机组属于距型机组,额定风速以上进行桨距控制。

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  • Therefore, it is necessary to study the frequency control strategy of the variable speed wind turbines, use variable speed wind turbines to improve the frequency control ability of the power system.

    因此必要研究变速风电机组频率控制策略利用变速风电机组提高电力系统频率控制能力

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  • Control winding frequency of a certain time, while the generator speed in the wind under the process of change.

    控制绕组频率一定发电机转速风速变化过程

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  • With the rate of the variable speed wind turbines connected to the grid increasing, it will bring adverse influence on frequency control of the power system.

    随着变速风电机组容量电网中的所占比例不断提高接入电网电力系统频率控制带来不利影响

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  • Finally this article analyzed the mathematical model of wind turbine, compared to the current different types of variable speed constant frequency wind power systems.

    最后分析风力数学模型对比目前采用的不同类型变速风力发电系统

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  • Wind power generation system should adopt the variable speed constant frequency (VSCF) control strategy in order to maximize the use of wind energy.

    为了最大限度地利用风能风力发电系统采用变速恒频控制策略

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  • The variable speed constant frequency double-fed wind power system is taken as the research object and the control problem of maximum wind energy tracing below the rated wind speed is studied.

    变速双馈风力发电系统研究对象研究额定风速以下风能最大追踪控制问题

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  • From point of view of electric-energy control, AC excited generation system for wind-energy with variable-speed and constant-frequency includes AC excited generator, AC exciter and the control system.

    交流励磁变速恒风力发电系统电能控制角度来看,它包括交流励磁发电机、交流励磁发电控制系统。

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  • To improve the efficiency of wind power utilization, we employ more and more variable-pitch controllers and variable-speed constant-frequency (VSCF) controllers in wind-power generating systems.

    风力发电系统为了充分更有效利用风能,越来越多的采用控制系统变速恒频控制系统。

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  • To improve the efficiency of wind power utilization, we employ more and more variable-pitch controllers and variable-speed constant-frequency (VSCF) controllers in wind-power generating systems.

    风力发电系统为了充分更有效利用风能,越来越多的采用控制系统变速恒频控制系统。

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