电能质量问题包括以下几种：电涌、电压闪变、断电、谐波等。
There are several power quality issues such as power surges, voltage sags, outages, harmonics, etc.
对电压闪变进行分析，是采取适当措施降低闪变带来影响的前提。
It was adopt adequate measures reduce flicker bring influencing premise that analyze voltage flicker.
提出了一种基于数学形态学均值滤波与能量算子包络检测的电压闪变实时检测的新方法。
In this paper, a novel method based on mathematical morphology average filter and energy operator is developed for voltage flicker detection.
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。
Harmonics, reactive power, voltage flicker and negative-sequence current of power grids can affect the power quality and harm the power equipment badly.
本文阐述了电压闪变信号发生的基本原理，探讨了发生器实发信号与设定信号之间的关系。
In this paper, the basic principle of generating voltage flicker signal is described and the relationship between the actual generated signal and the given signal is discussed.
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。
Wherefore real-time trace voltage flicker 'envelope and initial phase Angle proceed with possess important theory sense and practical meaning among power system.
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。
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.
另一方面，现代配电网上用于冶炼的电弧炉和铁路牵引机车等波动性负荷，会使电网电压频繁波动，造成电压闪变。
On the other hand, because of the fluctuating load, such as arc furnace and railway traction locomotive, the voltage of the network will frequently fluctuate and lead to voltage flash.
论述了无功功率的一种快速检测方法。减少无功功率的冲击，解决了矿热炉在生产过程中由于功率变化剧烈而引起的电压闪变。
It discusses a kind of method of fast detection for reactive power. It can reduce reactive power rush and solve voltage bicker change caused by power active violent change.
该方法不仅能够对电压闪变信号进行不失真地包络检波，而且能够精确地检测电压闪变信号的时间和包络信号的频率分量及其幅度。
This method not only can achieve the distortionless envelope detection of voltage flicker, but also can detect the time, frequency and amplitude of the signal accurately.
它充分利用DSP芯片运算速度快和专用指令的优点以及MATLAB强大的数值分析、计算、信号处理及图形显示功能等来计算电压闪变值。
It full USES of DSP chips for high speed and the advantages of command and MATLAB powerful numerical analysis, signal processing and graphics capabilities to calculate voltage flicker value.
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。
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.
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。
After SVC was put into operation, power quality problem caused by harmonic current, voltage fluctuation and flicker has been solved.
采用电流直接控制法，使DSTATCOM产生无功补偿电流，以此抑制电网电压波动与闪变。
Direct current control method is adopted to make the DSTATCOM produce compensated reactive current, so as to suppress voltage fluctuation and voltage 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。
Active Power Factor Correction to meet EMC limits for harmonic current emissions, and limitations of voltage fluctuations and flicker.
包络线的检出和调制分量参数估计是电压波动与闪变检测的主要内容。
Envelope detection and parameter estimation of each modulation component are the main parts in measurement of voltage fluctuations and flicker.
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。
According to IEC's standards involved, voltage fluctuation and flicker become a index of power quality.
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。
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.
文章最后提出了抑制电压波动和闪变的一般性建设。
The common suggestions of suppressing fluctuation and flicker of supply voltage are presented at last.
在此基础上提出了一种校验电压波动闪变仪的方法。
On the basis of the discussion a calibration method for voltage fluctuation and flicker meter is put forward.
文章分析了电压波动和闪变的检测算法。
The detection algorithm of voltage fluctuation and flicker is also discussed in this paper.
分析了风电场闪变产生的原理和影响因素，指出依靠补偿装置可以有效抑制电压波动和闪变。
The article analyzes the principle and influencing factors of flicker, and the compensation devices are put forward to suppress voltage fluctuation and flicker effectively.
最终混合编程检测软件、数据采集卡、电压互感器电路共同完成对电网三相电压波动和闪变的检测。
Finally, combining programming measurement software together with data-requiring card and potential transformer circuit complete the measurement of three-phase voltage fluctuation and flicker.
论述了现有波动电压检测方法的原理、特点、适用范围，分析了现有闪变值的计算方法及其不足；
And the thesis expounds detection methods of current voltage fluctuation in the principle, characteristic, application scope, and analyzes present calculation technology and deficiency;
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。
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.
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.
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。
It covers five aspects: supply voltage tolerance, utility harmonic, three-phase voltage unbalance, power system frequency tolerance, voltage fluctuation and 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。
With detailed study on the theoretical calculation of short term flicker severity, a novel digital method of calculating instantaneous perceptibility p and short term flicker severity Pst is deduced.
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。
With detailed study on the theoretical calculation of short term flicker severity, a novel digital method of calculating instantaneous perceptibility p and short term flicker severity Pst is deduced.
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