Experiments show that the method still rejects interference efficiently despite of the slow fluctuation of power-lin…
试验证明在工频波动缓慢的情况下,该算法对工频干扰抑制效果明显。
By means of negative feedback, the motor's speed fluctuation of the device, caused mainly by voltage fluctuation of power supply, can be controlled.
采用电压负反馈法,控制主要由供电电网产生电源电压波动而引起的储纬器电机转速波动。
Through simulation, it is proved that SVC is capable of suppressing fluctuation of power grid caused by the output power of double-fed wind power generation system, and stabilizing the grid voltage.
仿真结果表明,SVC能够补偿双馈风力发电系统由于输出功率引起的电网波动,使所并入的电网电压稳定。
So this paper mostly studies the algorithm of detecting voltage sag, voltage fluctuation and flicker in power quality problems.
因此,本论文确定将电能质量问题中的电压跌落和电压波动及闪变现象作为主要研究对象。
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.
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。
Thee interruption, the re-establishment after an interruption or the fluctuation in whatever manner of the power supply to the machinery must not lead to dangerous situations.
机械的动力供应中断、动力供应中断后的恢复或动力供应的任何方式的波动,均不得导致危险状况。
The concept of power quality includes the quality of the supplying voltage with respect to, for instance, voltage sag, imbalance, harmonic distortion, voltage fluctuation and flicker, etc.
质量包括电源电压的质量的能力的概念与有关,例如,电压下跌,不平衡,谐波失真,电压波动并且摇曳,等等。
The Mooney viscosity fluctuation of mix can be decreased by using instantaneous power control.
采用瞬时功率控制可减小混炼胶的门尼粘度波动。
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.
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。
So if the power system cannot grasp the rule of power demand cycle fluctuation, it is unable to deal with the market change and satisfy the power demand of the entire society.
电力系统如果不能认识和把握电力需求周期波动的规律,就无法应对市场的变化,也就无法满足全社会对电力的需求。
This method not only can be used in the analysis and calculation of power quality, but also in the theoretical deduction of voltage fluctuation and voltage flicker.
该计算方法可以应用于电力系统电能质量的分析计算,也可以应用于电压波动和闪变的理论推导。
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.
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。
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.
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。
LEO satellite communication system has the properties of larger power dynamic range, larger and faster changed doppler frequency shift and rapid fluctuation compared to ordinary communication system.
相对于一般的通信系统而言,低轨卫星通信系统具有信号动态范围大,多普勒频移大且变化速度快,信道起伏剧烈等特点。
In the application of intensity modulation type fiber optic sensor, the power fluctuation of a light source is a key factor affecting sensor accuracy.
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 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.
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。
As the modulation of amplitude is dust particle, the fluctuation and peaks are shown in the power gain spectrum.
当振幅调制为灰尘颗粒时,功率增益谱出现起伏,并且产生尖峰。
There are many influencing factors of wind power unit such as wind velocity, confused flowing, tower-shadow effect and so on, which will bring fluctuation of wind turbine output.
风电机组发电出力的影响因素有很多,如风速、紊流、风机塔影效应等,这些因素的随机变化都会引起风机出力的波动。
According to IEC's standards involved, voltage fluctuation and flicker become a index of power quality.
根据国际电工委员会(iec)的有关标准,电压波动和闪变被作为衡量电能质量的重要指标。
The waste heat power station in cement plant is closely related to the operation of cement kiln, whose fluctuation has an seriously effect on the boiler feed water deaeration result.
水泥厂的余热电站与水泥窑运行密切相关,水泥窑的波动严重影响了电站锅炉给水的除氧效果。
The electrical railway is a special user of power system; the load has many disadvantages like acute fluctuation, nonlinear and asymmetry.
电气化铁路是电力系统中的特殊用户,其负荷具有随机波动性、非线性和不对称性。
The mathematical mode of little fluctuation in transient of hydrolic power station is established and the stability of little fluctuation is mainly analyzed in the paper.
介绍了水电站过渡过程控制中小波动的数学模型,主要对小波动稳定性进行了分析研究。
The properties and components of pressure fluctuation signals in gas solid fluidized bed was dissected quantitatively by using power spectrum analysis, R/S analysis and chaos analysis.
应用功率谱分析、R/S分析、混沌分析等对气固流化床压力波动信号的性质、组成进行了定量解剖。
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.
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%。
Based on our previous setup, a signal differential module is introduced to reduce the noise rising from the fluctuation of the laser power to improve the quality of the experimental interferogram.
并在原实验装置的基础上,利用信号差分方法减少了光强波动对实验干涉谱图的影响,改善了信噪比。
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;
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;
When system suffers the action such as load fluctuation and head fluctuation, this arrangement has influence on the safety operation of system of water diversion and power generation.
当系统受到外界微小作用,例如负荷扰动、水头波动等,都对水电站安全稳定运行带来了一定的影响。
The surge load of Synchronous Radiation Fitting(SRF) power supply system may cause voltage fluctuation of distribution network.
同步辐射装置(SRF)供电系统的冲击负荷会引起配电网络电压波动。
The surge load of Synchronous Radiation Fitting(SRF) power supply system may cause voltage fluctuation of distribution network.
同步辐射装置(SRF)供电系统的冲击负荷会引起配电网络电压波动。
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