Harmonic current characteristic analysis for wind turbines
作者： Chuo-Yean Chang , Shun-Yu Chan , Jen-Hao Teng , Rong-Ceng Leou
DOI: 10.1109/PEDS.2013.6527149
关键词: Wind power 、 Harmonic analysis 、 Engineering 、 Control theory 、 Probability distribution 、 Wind profile power law 、 Turbine 、 Wind speed 、 Harmonic 、 Stochastic process
摘要: This paper analyzes the harmonic current characteristic of wind turbines. Field measurement, data sorting, and analysis are conducted for turbine. Most turbines at present use a power converter equipped with filters, control results these equipments will become highly stochastic as speed changes. Even if there is slight difference in speed, output turbine be quite different. If currents segmented probability density distributions calculated, then different viewpoints can observed. Although stochastic, close to normal distribution. A predictor proposed this based on current. Test show that long-term operation effectively analyzed by established distributions.
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