Gencer, A. . “Analysis and Control of Low-Voltage Ride-Through Capability Improvement for PMSG Based on an NPC Converter Using an Interval Type-2 Fuzzy Logic System”. Elektronika Ir Elektrotechnika, vol. 25, no. 3, June 2019, pp. 63-70, doi:10.5755/j01.eie.25.3.23678.