IEEE - Institute of Electrical and Electronics Engineers, Inc. - Symmetrical PLL for SISO Impedance Modeling and Enhanced Stability in Weak Grids

Author(s): Dongsheng Yang ; Xiongfei Wang ; Fangcheng Liu ; Kai Xin ; Yunfeng Liu ; Frede Blaabjerg
Sponsor(s): IEEE Power Electronics Society
Publisher: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 1 February 2020
Volume: 35
Page(s): 1,473 - 1,483
ISSN (Electronic): 1941-0107
ISSN (Paper): 0885-8993
DOI: 10.1109/TPEL.2019.2917945
Regular:

This paper proposes a symmetrical phase-locked loop (PLL) that can eliminate the frequency-coupling terms caused by the asymmetric dynamics of conventional PLLs. In the approach, a concept of... View More

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