Torres, A. P., Roncero-Sanchez, P., del Toro Garcia, X., & Feliu, V. (2013). Design and Comparison of Two Control Strategies for Voltage-sag Compensation using Dynamic Voltage Restorers. Elektronika Ir Elektrotechnika, 19(6), 7-12. https://doi.org/10.5755/j01.eee.19.6.4553