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。
The controlling system has many work patterns, such as manual, semiautomatic, and automatic, and can compensate for the effect of voltage fluctuation to welding current.
控制系统具有手动、半自动、全自动等工作方式,可自动补偿网压波动对焊接电流的影响。
The detection algorithm of voltage fluctuation and flicker is also discussed in this paper.
文章分析了电压波动和闪变的检测算法。
On the basis of the discussion a calibration method for voltage fluctuation and flicker meter is put forward.
在此基础上提出了一种校验电压波动闪变仪的方法。
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。
Exhibitors with very sensitive equipment are advised to bring their own stabilizer to cater for voltage fluctuation.
参展商如使用较敏感的仪器,请自备稳定器以作电压变动之用。
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。
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。
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。
The neutral-point voltage fluctuation of three-level converter is only related to applied modulation method and three-phase current.
三电平变流器的中点电压波动只与变流器采用的调制技术和三相电流有关。
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 electric auxiliary system sometimes has condenser motor loads, and the starting of inductor motors can cause bus voltage fluctuation problem.
厂用电系统中一般带有集中电动机负荷,异步电动机启动会引起母线电压严重的波动。
The feed forward of network voltage and output current is proposed to decrease the impaction of voltage fluctuation on the performance of active power filter.
针对电网电压波动对有源滤波器的影响进行了详细的分析,提出了通过电网电压和输出电流前馈的方法对其扰动进行抑制。
Direct current control method is adopted to make the DSTATCOM produce compensated reactive current, so as to suppress voltage fluctuation and voltage flicker.
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。
Extracting in-depth characteristics of cell voltage fluctuation is an important foundation of systems diagnosing working conditions for aluminum reduction cells.
从槽电压波动中提取特征,是建立相应的槽况诊断系统的重要基础。
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。
It is important to provide balancing compensation for shock load because of the severe voltage fluctuation and 3-phase unbalance imposed on power supply system by it.
冲击性负荷会引起供电系统严重的电压波动和三相不平衡,对其进行平衡化补偿具有重要的意义。
The article analyzes the principle and influencing factors of flicker, and the compensation devices are put forward to suppress voltage fluctuation and flicker effectively.
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。
Results the functions of automatic temperatures compensation and automatic voltage fluctuation compensation are realized with the differential connection of two identical diodes.
结果:利用同型二极管的差分接入实现了自动温度补偿和自动电压波动补偿功能。
And the thesis expounds detection methods of current voltage fluctuation in the principle, characteristic, application scope, and analyzes present calculation technology and deficiency;
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;
In view of characteristics of pressure sensor affected by temperature changes and voltage fluctuation, a correction model of pressure sensor is presented based on Support Vector Machine.
针对压力传感器输出特性受温度变化和电压波动影响的问题,提出了应用支持向量机对压力传感器输出特性进行非线性补偿的校正模型。
The analysis and treatment of trouble of high-voltage circuit system are carried out through instance, and the effect of mains voltage fluctuation on equipment is also inquired initially.
对高压电路系统故障的实例进行了故障原因分析和处理,并对电源电压波动对仪器的影响进行了初步的探讨。
The present invention discloses a plasma display device that prevents a luminance difference between scan lines by preventing an output voltage fluctuation in output lines connected to a scan IC.
本发明公开了一种等离子体显示装置,该等离子体显示装置通过防止连接到扫描ic的输出线中的输出电压波动来防止扫描线之间的亮度差异。
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。
In this paper, the regulating characteristic of the static VAR compensator (SVC) and its effects on reducing the system voltage fluctuation and improving the system stability have been investigated.
本文研究了静止无功补偿器的调节特性及其对减少系统电压浮动、改善系统稳定的效果。
In this paper, the regulating characteristic of the static VAR compensator (SVC) and its effects on reducing the system voltage fluctuation and improving the system stability have been investigated.
本文研究了静止无功补偿器的调节特性及其对减少系统电压浮动、改善系统稳定的效果。
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