Comparative Evaluation of Efficiency and Reliability of Single-Phase Five-Level NPC Inverters for Photovoltaic Systems. - Ui-Min Choi; Taerim Ryu (IEEE Access, 2021)

Discontinuous PWM Strategy for Reliability and Efficiency Improvements of Single-Phase Five-Level T-Type Inverter. - Taerim Ryu; Ui-Min Choi (IEEE Trans. Ind. Electron., 2024)