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Word cloudA word cloud is a visual representation of the most frequently used words in a text or a set of texts. The words appear in different sizes, with the size of each word being proportional to its frequency of occurrence in the text. The more frequently a word is used, the larger it appears in the word cloud. This technique allows for a quick visualization of the most important themes and concepts in a text.
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Chen, X., Chang, Y., & Kocar, I. (2024). Grid-Forming Control of DFIG-based Wind Turbine Generator by Using Internal Voltage Vectors for Asymmetrical Fault Ride-Through. IEEE Transactions on Energy Conversion, 3470588 (13 pages). External link
Chang, Y., Mahseredjian, J., Kocar, I., & Karaagac, U. (2022, June). Analytical characterization of DFIG response to asymmetrical voltage dips for efficient design [Paper]. 22nd Power Systems Computation Conference (PSCC 2022), Porto, Portugal (7 pages). Published in Electric Power Systems Research, 211. External link
Chang, Y., Zhao, M., & Kocar, I. (2022). The impact of DFIG control schemes on the negative-sequence based differential protection. Electric Power Systems Research, 211, 8 pages. External link
Chang, Y., Zhao, M., Kocar, I., & Karaagac, U. (2022, September). Transient Analysis and Control Solutions for DFIG-based Wind Turbine Generators to Improve FRT Performance under Asymmetrical Faults [Paper]. 9th International Conference on Power Electronics Systems and Applications (PESA 2022), Hong Kong, Hong Kong (6 pages). External link
Chang, Y., Kocar, I., Hu, J., Karaagac, U., Chan, K. W., & Mahseredjian, J. (2021). Coordinated Control of DFIG Converters to Comply with Reactive Current Requirements in Emerging Grid Codes. Journal of Modern Power Systems and Clean Energy, 12 pages. External link
He, Z., Zeng, P., Chang, Y., Hang, L., & Liu, Y. (2023). DC-side pole-to-ground fault current calculation for multi-terminal LCC-MMC hybrid HVDC system. CSEE Journal of Power and Energy Systems, 1-9. External link
Kocar, I., Chang, Y., Furlaneto, R. M., Grilo, A. P., Haddadi, A., & Farantatos, E. (2022, July). Nonlinear Network Equivalents of Systems with Inverter Based Resources to Study Unbalanced Faults in Steady State [Paper]. IEEE Power & Energy Society General Meeting (PESGM 2021), Denver, CO, USA (5 pages). Published in 2021 IEEE Power & Energy Society General Meeting (PESGM). External link
Zhao, M., Chang, Y., & Kocar, I. (2022, September). Advanced Short Circuit Modeling, Analysis, and Protection Schemes Design for Transmission Systems under the Influence of Inverter-based Resources [Paper]. 9th International Conference on Power Electronics Systems and Applications (PESA 2022), Hong Kong, Hong Kong (6 pages). External link
