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。
In this paper, a novel method based on mathematical morphology average filter and energy operator is developed for voltage flicker detection.
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。
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。
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