An investigation on interarea mode oscillations of interconnected power systems with integrated wind farms |
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| Affiliation: | 1. College of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China;2. Institut Teknologi Brunei, Bandar Seri Begawan BE1410, Brunei Darussalam;3. School of Electrical Engineering and Computer Science, Queensland University of Technology, Brisbane, Queensland 4001, Australia;4. State Grid Electric Power Research Institute, Nanjing 210003, China;1. School of Civil and Building Engineering, Loughborough University, Leicestershire, Loughborough LE11 3TU, United Kingdom;2. School of Mechanical and Manufacturing Engineering, Loughborough University, Leicestershire, Loughborough LE11 3TU, United Kingdom;1. Department of Mechanical and Aerospace Engineering, University of Florida, Gainesville, FL, United States;2. Department of Electrical and Computer Engineering, University of Florida, Gainesville, FL, United States;1. College of Electrical and Mechanical Engineering, Northeast Forestry University, Harbin, China;2. State Grid Economic and Technological Research Institute, Beijing, China |
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| Abstract: | The ever-increasing penetration of wind power integration into a power system can produce significant impacts on the operation of an interconnected power system. As the major energy conversion technology for large wind turbines, the doubly fed induction generator (DFIG) will play an important role in future power systems. Hence, the impacts of the DFIG on the low-frequency oscillations of interconnected power systems have become an important issue with extensive concerns. This paper examines the impacts of several factors, including the DFIG transmission distance, tie-line power of the interconnected system, DFIG capacity, with/without a power system stabilizer (PSS), on the low frequency oscillation characteristic of an interconnected power system using both eigenvalue analysis and dynamic simulations. To investigate the effects of these factors on the interarea oscillation mode, case studies are carried out on two two-area interconnected power systems, and some conclusions are obtained. |
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| Keywords: | Power system Doubly fed induction generator (DFIG) Interarea oscillation mode Low-frequency oscillation characteristic Eigenvalue analysis |
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