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Số người truy cập: 107,006,395

 Simulation and performance analysis of a new LVRT and damping control scheme for DFIG wind turbines
Tác giả hoặc Nhóm tác giả: Quan Minh Duong, Huu Hieu Nguyen, Kim Hung Le, Marco Mussetta
Nơi đăng: 2016 IEEE International Conference on Sustainable Energy Technologies (ICSET); Số: DOI:10.1109/ICSET.2016.7811797;Từ->đến trang: 288-293;Năm: 2016
Lĩnh vực: Kỹ thuật; Loại: Báo cáo; Thể loại: Quốc tế
TÓM TẮT
Doubly-Fed Induction Generator (DFIG) Wind Turbine (WT) is rather sensitive to power system faults and requires specific power converter protection, namely a crowbar. When the crowbar is triggered, the rotor is short circuited over the crowbar impedance, the rotor-side converter (RSC) is incapacitated and therefore the DFIG operates as a squirrel-cage induction generator (SCIG) that tends to drain large amount of reactive power from the grid during fault, potentially causinga voltage drop. Therefore, in order to enhance the transient stability and damping of the electro-mechanical oscillations of a grid-connected DFIG wind farm, in this paper we propose theuse of DFIG based Low-voltage Ride Through (LVRT) scheme including crowbar, RSC, GSC (Grid-side converter) and PSS (Power System Stabilizers).
ABSTRACT
Doubly-Fed Induction Generator (DFIG) Wind Turbine (WT) is rather sensitive to power system faults and requires specific power converter protection, namely a crowbar. When the crowbar is triggered, the rotor is short circuited over the crowbar impedance, the rotor-side converter (RSC) is incapacitated and therefore the DFIG operates as a squirrel-cage induction generator (SCIG) that tends to drain large amount of reactive power from the grid during fault, potentially causinga voltage drop. Therefore, in order to enhance the transient stability and damping of the electro-mechanical oscillations of a grid-connected DFIG wind farm, in this paper we propose theuse of DFIG based Low-voltage Ride Through (LVRT) scheme including crowbar, RSC, GSC (Grid-side converter) and PSS (Power System Stabilizers).
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