You see her "catkin word" knot sentence: "Good wind frequency of leveraging, the Albatron send me!"
你看她《柳絮词》地结句:“好风频借力,送自己上青云!”
Due to the uneven distributions of both the emission sources and the wind frequency, air quality from different wind sectors could be very variable.
基于排放源以及风频的不均一,不同扇区来的空气质量能有很大变化。
The researchers have devised a method that allows the generation of energy by converting low-frequency vibrations from body movement, heartbeat, blood flow, and the wind into electricity.
这项研究成果可以将人体移动,心跳,血流等低频振动转化为电能。
The wires measure 1/5, 000th to 1/25th the diameter of a human hair and are capable of harvesting energy from low-frequency vibrations such as the wind or the flow of currents.
这些管线的直径只有人头发的5000分之一到25分之一,并且能从风和水流之类低频振动中获取能量。
This paper has worked out the vibration equation of cable truss by treating it as a discrete system and solved the vibration frequency and the displacement responses under stochastic wind loading.
本文采用离散理论求得索桁架的振动方程,进一步可求得在随机风荷载作用下索桁架结构的振动频率及其位移响应。
The analytical methods of resisting wind divides into Frequency - Region method and Time-Region method.
抗风分析方法一般可分为频域法和时域法。
A variable speed constant frequency wind power generation system of doubly-fed induction generator based on converter excitation was described.
建立了基于变换器励磁的双馈感应电机的变速恒频风力发电功率控制系统的模型。
The decoupled control of active power and reactive power is a key technology of variable speed constant frequency (VSCF) wind energy generation system.
双馈发电机的有功和无功功率的解耦控制是变速恒频(VSCF)风力发电系统的关键技术。
In recent years, the variable speed constant frequency wind generator system is the most widely question for discussion at home and abroad, especially for doubly-fed induction.
变速恒频风力发电系统是近年来国内外研究最广泛的课题,其中最具代表性的是绕线式转子双馈异步发电系统。
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的两种形式和并网运行的频率控制、功率控制、发电机转速控制。
The stator flux-oriented vector controlling strategies of keeping stator frequency constant and capturing the maximum wind power are verified by experiment results.
实验结果验证了定子磁链定向的矢量控制策略既能保证定子输出频率恒定,又能较好地跟踪风力机的最大功率输出。
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,消耗的电能随风量大小而变,具有显著的节能效果。
When intensity of the atmospheric turbulence becomes stronger, or the cut off spatial frequency of the adaptive optics system becomes higher, the influence of transverse wind becomes stronger.
大气湍流的强度越大,自适应光学系统的截止频率越高,横向风的影响也越大。
This paper introduces the control method for the Wind Turbine Units of constant speed constant frequency and variable speed constant frequency.
文章介绍了恒速恒频及变速恒频并网型风力发电机组的控制方法。
The light self weight, large flexibility, small damp and low natural vibration frequency make it very sensitive to wind load.
大跨空间结构自重轻、柔性大、阻尼小、自振频率低,对风荷载比较敏感,风荷载已经成为大跨空间结构设计的重要荷载。
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,得到各区段的自然风风速频率分布以及风速极值。
But Steady low fan speed change, so that airflow and vibration according to a fixed frequency, so we might as natural wind moderate.
但稳定低风扇速度变化,使气流和振动按固定频率,因此我们可能是自然风温和。
The movement of vessels on the sea usually divide for low frequency movement that composes of wind, flow, two steps wave, and high-frequency movement that composes of a steps wave.
船舶在海面上的综合运动一般分为由风、流、二阶波浪力、推力器造成的低频运动和一阶波浪力造成的高频运动。
To conveniently and accurately evaluate the wind-induced accumulated fatigue damage of high-rise structures in frequency domain, an improved equivalent narrow band method was proposed.
为了在频域内方便准确地估算高耸结构的风振疲劳累积损伤,提出了一种改进的等效窄带算法。
Standardized the wind speed by Rayleigh frequency distribution, a concept named equivalent wind speed was presented;
利用风速频率瑞利分布对平均风速进行均一化,提出相当风速的概念;
The low-frequency instability in variable speed constant frequency doubly fed induction generator(DFIG) widely used in wind power generation is investigated.
研究了广泛应用于风力发电的变速恒频双馈感应电机系统中的低频不稳定现象。
In China, the high rise structures load code is used for the large span spatial structures, only the first frequency is taken account for the wind vibration analysis, which is not reasonable.
我国现在仍是采用高耸或高层结构的荷载规范,只取结构的第一阶频率计算风振系数,按此方法进行大跨空间网格结构的风振分析是很不合理的。
The research in this thesis is focused on the low harmonic variable-frequency power for the system meeting the needs of wind tunnel propeller model testing requirements.
旨在研究满足螺旋桨飞机模型风洞试验要求的为高功率密度电驱动系统供电的低谐波变频电源。
Results also show that decrease of pressure gradient in winter and spring influences dust weather frequency by affecting wind speed indirectly.
冬春季节气压梯度的减小是风速减小、进而导致沙尘日数减小的关键间接因素。
The outer frequency spectra of wind waves are estimated with the time series data of wave elevation measured in the laboratory wind wave flume.
利用实验室风浪槽内测得的波面序列资料估计风浪外频谱。
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.
由沈阳工业大学研制的MW级变速恒频风电机组属于变桨距型机组,它在额定风速以上进行变桨距调功控制。
Variable-speed variable-frequency(VSVF), a new typed operational mode for the induction generator based wind power generation system is proposed based on the fractional frequency power transmission.
在分析异步风力发电系统模型的基础上,结合分频输电技术,提出了一种新型的异步风力发电系统运行方式——变速变频(VSVF)方式。
Variable-speed variable-frequency(VSVF), a new typed operational mode for the induction generator based wind power generation system is proposed based on the fractional frequency power transmission.
在分析异步风力发电系统模型的基础上,结合分频输电技术,提出了一种新型的异步风力发电系统运行方式——变速变频(VSVF)方式。
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