PEREC Single-phase half bridge VsI V VD AVD ON VI VD, VD, VD, VD, The current conducting path is determined by the polarity of load voltage and load current. (This is true for analysis of many power electronics circuits. t The magnitude of output square-wave voltage is U.2Power Electron cs i 11 Single -phase half bridge VSI phase half bridge VSI t t O O ON u o Um - Um i o t 1 t 2 t 3 t 4 t 5 t 6 V1 V 2 V1 V 2 VD1 VD 2 VD1 VD 2 - R L Ud i o uo V1 V2 VD1 VD 2 Ud 2 Ud 2 The current conducting path is determined by the The current conducting path is determined by the polarity of load voltage and load current. (This is true polarity of load voltage and load current. (This is true for analysis of many power for analysis of many power electronics circuits.) electronics circuits.) The magnitude of output square The magnitude of output square -wave voltage is wave voltage is U d/2