نویسندگان
دانشگاه ارومیه - دانشکده فنی و مهندسی
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
Voltage flicker is referred to low frequency fluctuations modulated on the basis of voltage signal. Flicker mitigation needs identification of the flicker sources. In this paper a new method based on flicker power theory and wavelet transform and coherent phase demodulation is proposed to identify the locations of single and multiple flicker sources in a multiflicker source power network. The coherent phase demodulation and wavelet transform are utilized for demodulation flicker frequency components from main signal. Then by introducing of two parameters, “FPM” and “FPW”, in order to identify the exact location of flicker sources on the network and evaluation of their effects on the human vision and electronic equipment. The method also evaluates the contributions of individual flicker source to global voltage flicker level of a common coupling bus bar. To examine the proposed method, the IEEE 13-Bus system is simulated in Matlab/Simulink and this method is used to identify flicker sources. The simulation results in indicating the accuracy of the proposed method to identify the exact location of flicker sources, and determine the contribution of each sources in voltage flicker of each bus bar.
کلیدواژهها [English]
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