The proposition of flicker power concept and its measurement methods offers more overall and effective reference information for research and management of flicker.
闪变功率概念与闪变功率测量方法的提出,为闪变研究与治理提供了更全面、有效的信息。
Wherefore real-time trace voltage flicker 'envelope and initial phase Angle proceed with possess important theory sense and practical meaning among power system.
因此对电力系统中的电压闪变的包络线与初相角进行实时跟踪就具有重要的理论意义和现实意义。
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。
Flicker noise is approximately simulated by power law model of phase noise spectral density.
根据相位噪声功率谱的幂律模型,近似地模拟了相位噪声。
Firstly, the mechanism of flicker disturbance and transfer rule of flicker in power system are discussed in this paper.
本文首先分析了闪变扰动源的闪变机理和闪变分量在电力系统中的传递规律。
As an important index to assess the energy quality, voltage flicker reflects the power supply quality more directly and quickly.
闪变作为评定电能质量的重要指标,能更直接、更迅速地反映出电网的供电质量。
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。
Active Power Factor Correction to meet EMC limits for harmonic current emissions, and limitations of voltage fluctuations and flicker.
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。
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。
In order to assess the flicker caused by electric arc furnace, the simulation method to assess flicker and its application in electric arc furnace power system was studied.
为了仿真评估电弧炉引起的闪变严重度,对闪变仿真法及其在电弧炉供电系统中的应用进行了研究。
At a certain hour each evening a siren signals the curtailment of electrical power, and the lights flicker off.
每个傍晚在一个某小时一个女海妖向电力的缩减作信号,而且光走开闪动。
After SVC was put into operation, power quality problem caused by harmonic current, voltage fluctuation and flicker has been solved.
SVC投入运行后,对非线性负荷产生的谐波电流,电压波动及闪变等引起供电电能质量的问题起到了很好的治理效果。
At present, our country power quality national standard was chiefly stipulated five quotas: frequency, harmonic and voltage deviation, three-phase unbalance and the voltage fluctuation and flicker.
目前我国电能质量国家标准主要规定了五个指标:频率、谐波、电压偏差、三相不平衡及电压波动与闪变。
It covers five aspects: supply voltage tolerance, utility harmonic, three-phase voltage unbalance, power system frequency tolerance, voltage fluctuation and flicker.
它涵盖五个方面:供电电压允许偏差、公用电网谐波、三相电压不平衡度、电力系统频率允许偏差、电压允许波动和闪变。
Harmonics, reactive power, voltage flicker and negative-sequence current of power grids can affect the power quality and harm the power equipment badly.
电网中存在谐波、无功、电压闪变及负序电流等问题,严重影响电能质量,危害电力设备。
Based on this requirement, this paper introduced the theory of power quality monitoring, include RMS of voltage and current, power, three-phase unbalance, harmonic and flicker.
在此基础上研究了电能质量监测理论,详细介绍了电压电流有效值、功率、三相不平衡度、谐波和闪变的数字测量方法。
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。
Nowadays, the photoelectric flame detector is widely used in the power plants. The principle is to analyze the intensity or flicker frequency of radiation.
目前国内外电厂使用的多为光电式火焰检测器,其原理是分析火焰燃烧时辐射光的强度或闪烁频率。
The result of simulation verifies that this flicker meter is able to detect the flickering process on line; the design provides a new path for controlling the quality of power energy.
仿真结果表明,所设计的闪变仪能够实现电压闪变过程中的在线检测,从而为控制电能质量提供了新的途径。
Electric Arc Furnace (EAF) used in metallurgy industry often causes unbalanced three-phase load power, and therefore generates severs flicker to the grid, which seriously impact the power quality.
在冶金工业中使用的电弧炉可引起电网三相负荷不平衡,产生谐波引起电流闪变,严重影响电网电能质量。
The invention relates to a voltage fluctuation and flicker generation device, which belongs to the power quality control technology field.
一种电压波动和闪变发生装置,属于电能质量控制技术领域。
The invention relates to a voltage fluctuation and flicker generation device, which belongs to the power quality control technology field.
一种电压波动和闪变发生装置,属于电能质量控制技术领域。
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