PEREC 4 types of commutation ◆ Device commutation: Fully-controlled devices: GTO, IGBT, MOSFET Line commutation Phase-controlled rectifier Phase-controlled ac controller Thyristor cycloconverter 争 Load commutation 争 Forced commutation 5Power Electron cs i 5 4 types of commutation types of commutation Device commutation: Device commutation: Fully -controlled devices: GTO, IGBT, MOSFET controlled devices: GTO, IGBT, MOSFET Line commutation Line commutation Phase -controlled rectifier controlled rectifier Phase -controlled AC controller controlled AC controller Thyristo Thyristor cycloconverter r cycloconverter Load commutation Load commutation Forced commutation Forced commutation