Direct Current Control for Grid-Connected Diode-Clamped Inverters. - Markus Schaefer; Wolf Goetze; Martin Hofmann 020; Fabian Bayer; Daniel Montesinos-Miracle; Ansgar Ackva (IEEE Trans. Ind. Electron., 2017)

Direct current control method for three-phase motor drives. - Markus Schaefer; Martin Hofmann 020; Fabian Bayer; Bernhard Müller; Ansgar Ackva (EVER, 2018)

Improved Direct Current Control for Grid-Connected Multilevel Inverters. - Martin Hofmann 020; Markus Schaefer; Daniel Montesinos-Miracle; Ansgar Ackva (IEEE Trans. Ind. Electron., 2021)