风电输出功率波动速度快慢?
在强度调制型光纤传感器的应用中,光源的功率波动是影响传感器精度的关键。
In the application of intensity modulation type fiber optic sensor, the power fluctuation of a light source is a key factor affecting sensor accuracy.
激光器具有非常稳定的输出,在长时间运转条件下,输出功率波动小于0.5%。
The output of the laser is very stable, and the fluctuation of output power is less than 0.5% under long-time high-power operation.
针对风力发电、光伏电池等分布式电源间歇性的特点,提出了平抑功率波动的策略。
For the intermittent characteristic of distributed energy such as wind power, photovoltaic cell, the strategy of suppressing the power fluctuations is put forward.
泵浦半径越大,振荡光初始光子数横模结构波动引起的输出脉冲峰值功率波动越大;
The greater the pumping radius is, the greater the fluctuation of output pulse peak power caused by the fluctuation of oscillating light initial photon number mode distribution will be;
在电能质量各分项指标的基础上,针对风电场的实际情况,引入了功率波动作为附加的电能质量指标。
Based on indices of electric power quality, we consider power fluctuation an additive index of electric power quality for a wind farm in real conditions.
风能、太阳能等可再生能源本身具有间歇性和波动性的特征,因而接入电网后将产生相应的功率波动。
Since the wind energy, solar energy have the intrinsic intermittence and fluctuation, their integration into the grid will lead to the power fluctuations.
通过分析水平分光光路和保偏光纤特性,找出产生对射光功率波动的原因,并给出一种简单实用的解决方案。
By analyzing the horizontal optical system and the feature of PMF, we found the reason and report a simply but available project for the problem.
由于风速具有随机波动性,因此风力发电并网功率波动很大,这对电网运行的稳定性及经济性带来负面影响。
The intermittent and random fluctuation of wind speed result that wind power grid-connected power fluctuates largely, which has a negative influence to stability and economy of power grid operation.
采用DSP虚有差法分配负荷,在优化系统频率输出的同时,也能够快速稳定柴油机因供油不均引起的输出功率波动。
By using DSP virtual discriminating method to distribute load, meanwhile optimize the system frequency output, can rapidly stable power supply fluctuations caused by uneven oil supplied.
作为传感元件,光纤光栅将被测的信息转化为其反射波长的移动,即波长解调,因此不受到光功率波动和系统损耗的影响。
As a sensor element, fiber optic and grating transformed the information into reflecting wavelength shift. It also named wavelength demodulation which is immune for light power waving and system loss.
在CANDU - 6堆中应用CANFLEX组件替代目前的NU - 37组件不会影响堆芯功率分布和峰值,功率波动幅度变化也很小。
Replacing the NU-37 assembly by CANFLEX in CANDU-6 reactor will not have influence on the in-core power distribution and peaking power and the power fluctuation as well.
威利•肯普顿:我们已解决功率从零到满幅大范围波动中存在许多问题。
Willett Kempton: We've solved a lot of the problem of, you know, wide fluctuations – from none to full power, none to full power.
采用子结构法,建立了有限周期复合结构的数学模型,求出了数学模型的波动解,并推导出模型的时间平均功率流。
The substructure method was introduced to set up mathematical model of finite periodic composite structure, to solve its wave equation, and to derive its time-average power flows.
采用瞬时功率控制可减小混炼胶的门尼粘度波动。
The Mooney viscosity fluctuation of mix can be decreased by using instantaneous power control.
文中指出,弧长波动影响阳极输入热功率的重要因素是等离子电弧本身存在着电流分散现象。
The critical factor causing the arc length fluctuation to affect the input heat power to the anode proves to be the phenomenon of the current dispersion in plasma arc itself.
有源功率因数校正满足EMC的谐波电流的排放限制,以及满足电压波动和闪变的限制。
Active Power Factor Correction to meet EMC limits for harmonic current emissions, and limitations of voltage fluctuations and flicker.
考虑风电场内机组间尾流效应的风速模型能较准确地描述风速扰动下风电场输出功率的波动,使研究结果更具有实际意义和价值。
The wind speed model considering wake effect can describe power output of wind farm more accurately under wind speed fluctuation, therefore the study result is more practical.
在基于电压源换流器的高压直流输电(VSC -HVDC)交直流混合风电场并网系统中,控制VSC - HVDC送端站注入到PC C点的无功功率可以抑制电压波动。
In hybrid wind farm integration system based on HVDC of voltage source converter (VSC-HVDC), the voltage fluctuation can be alleviated by compensating reactive power to PCC from VSC-HVDC sending end.
指出在角加速度存在的情况下,光功率的波动产生IFOG输出误差,通过仿真验证了所提出的观点。
We verifies the opinion through our simulating that the fluctuation of optical power make output errors of the IFOG on the condition that the angular acceleration is being.
但这个预防计划的治疗成功率却是不断波动的,它取决于干涉治疗开展期间这些青年父母的精神健康状况。
But the success rate of the prevention program varied greatly depending on the mental health status of the teenagers' parents at the time they began intervention, the study also found.
在风电场混合并网系统中,通过电压源换相高压直流输电可以控制系统中的无功功率、抑制并网公共点的电压波动。
In interconnected hybrid wind farm system, the voltage fluctuation can be alleviated and the reactive power can be controlled by voltage source converter.
这一结果预示着血压波功率谱熵可作为心率波动的一种新的度量。
The results indicate that the power spectral entropy of blood pressure waveform in this study can be a new measurement of heart rate fluctuations.
根据功率谱分析,入海泥沙还存在着3年和10年左右的周期性波动。
According to the spectrum analysis, the sediment load also fluctuated at the periodicity of 3a and 10a.
目前,网损分析计算方法很多,但大多很难计及节点注入功率随机波动等不确定因素所造成的影响。
At present, there are various power losses analysis and calculation methods, but most of them fail to consider the effect of the uncertainty of power injection on buses.
抽水蓄能式变电站能对波动功率需求产生快速反应,并且是当今唯一一个大规模储能变电站。
Pumped-storage power stations can respond quickly to fluctuating power demands, and are the only large-scale means of storing power available today.
抽水蓄能式变电站能对波动功率需求产生快速反应,并且是当今唯一一个大规模储能变电站。
Pumped-storage power stations can respond quickly to fluctuating power demands, and are the only large-scale means of storing power available today.
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