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 A comparative study of wind turbine generators operating performance; a case study for the Vietnamese Ninh Thuan - grid
Tác giả hoặc Nhóm tác giả: Minh Quan Duong, Thanh Viet Dinh, Ngoc Thien Nam Tran, Gabriela Sava, and Alexander Kies
Nơi đăng: Bulletin of the Polytechnic Institute of Jassy: Electrical Engineering, Power Engineering, Electronics; Số: 63;Từ->đến trang: 17-32;Năm: 2017
Lĩnh vực: Kỹ thuật; Loại: Bài báo khoa học; Thể loại: Quốc tế
TÓM TẮT
Renewable resources are emerging rapidly and are a current trend of developing world energy. Of all renewable resources, wind is growing the fastest and can become a main source of power for future power systems. However, the grid connection of wind power can generate many issues related to stability due to grid faults. Previous studies have not shown the difference in these issues depending on the types of generators as well as the effects of these generators when integrated into an actual grid. Thus, this paper analyzes the operation as well as the possibility of overcoming a grid fault for four wind turbine generator systems integrated into the grid of Ninh Thuan province-Vietnam: Fixed-Speed Induction Generator (FSIG); Limited Variable-Speed Induction Generator (LVSIG); Doubly-Fed Induction Generator (DFIG); Permanent Magnet Synchronous Generator (PMSG). In this study, hypothetical faults are simulated in the grid to show the capabilities of these wind turbine generators with respect to power distribution and transient stability of the wind turbine generators. The simulated results show that DFIG and PMSG system have a number of outstanding advantages with fast recovery after faults as well as the voltage being always within the specified range while FSIG completely collapsed after the fault. The ability to adjust the speed makes PMSG, DFIG and LVSIG able to overcome the fault and operate more stable than FSIG.
ABSTRACT
Renewable resources are emerging rapidly and are a current trend of developing world energy. Of all renewable resources, wind is growing the fastest and can become a main source of power for future power systems. However, the grid connection of wind power can generate many issues related to stability due to grid faults. Previous studies have not shown the difference in these issues depending on the types of generators as well as the effects of these generators when integrated into an actual grid. Thus, this paper analyzes the operation as well as the possibility of overcoming a grid fault for four wind turbine generator systems integrated into the grid of Ninh Thuan province-Vietnam: Fixed-Speed Induction Generator (FSIG); Limited Variable-Speed Induction Generator (LVSIG); Doubly-Fed Induction Generator (DFIG); Permanent Magnet Synchronous Generator (PMSG). In this study, hypothetical faults are simulated in the grid to show the capabilities of these wind turbine generators with respect to power distribution and transient stability of the wind turbine generators. The simulated results show that DFIG and PMSG system have a number of outstanding advantages with fast recovery after faults as well as the voltage being always within the specified range while FSIG completely collapsed after the fault. The ability to adjust the speed makes PMSG, DFIG and LVSIG able to overcome the fault and operate more stable than FSIG.
[ 2018\2018m07d03_9_35_32Bulletin_Romani.pdf ]
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