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NTIS 바로가기Journal of power electronics, v.11 no.3, 2011년, pp.369 - 374
Choi, Hyeong-Jin (Dept. of Electrical Engineering, Kwangwoon University) , Song, Seung-Ho (Dept. of Electrical Engineering, Kwangwoon University) , Jeong, Seung-Gi (Dept. of Electrical Engineering, Kwangwoon University) , Choi, Ju-Yeop (Dept. of Electrical Engineering, Kwangwoon University) , Choy, Ick (Dept. of Information Control Engineering, Kwangwoon University)
Usually, a LPF (low pass filter) is used in the feedback loop of a SRF (synchronous reference frame) - PLL (phase locked loop) system because the measured grid voltage contains harmonic distortions and sensor noises. In this paper, it is shown that the cut-off frequency of the LPF should be designed...
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