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Trujillo, Edwin Rivas
- Analysis of the Integration of Wind Energy Generation in the National Transmission System (NTS)
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Authors
Affiliations
1 Department of Electrical Engineering, District University Francisco, Jose de Caldas, INTERCOLOMBIA S.A, CO
1 Department of Electrical Engineering, District University Francisco, Jose de Caldas, INTERCOLOMBIA S.A, CO
Source
Indian Journal of Science and Technology, Vol 11, No 44 (2018), Pagination: 1-10Abstract
Background/Objectives: A case study is presented where a 1.432 MW wind power connection with DFIG (doubly-fed induction generator) technology is analyzed in the stability of the National Transmission System (NTS). Hence, the STN’s database from 2017 is used in DIgSILENT with different demand scenarios and their respective generation dispatch units. Methods/Statistical Analysis: A scan was executed on the flaws in circuits close to the connection of wind energy parks in La Guajira by calculating the percentage of events that generate the disconnection of wind turbines due to voltage sags and swells. The stability in frequency in response to these generation losses is also analyzed. Findings: Regarding the contingencies that were simulated, the outcome was seen in overshoot events of wind turbines due to transitory peaks in voltage during flaws that could not be solved with external reactive compensation. The stability in frequency related to these overshoots is greatly affected on disconnections higher than 400 MW. After verifying the reactive power injection from the converter of the DFIG model in DIgSILENT based on the compliance with electrical parameters supplied by manufacturers, 58% did not meet these technical specifications so a wind turbine model is necessary to grasp the internal operation of the converter. Conclusion: This allows the identification of possible solutions to stability issues that contribute to the operational and regulatory changes to define technical technology-related requirements and the connection of wind turbines in Colombia.References
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