ABSTRACT
Static power converters that adapt DC voltages and currents to AC waveforms are usually known as inverters. žeir main function is to generate from one or multiple DC sources an AC switched pattern output waveform, with a fundamental component with adjustable phase, frequency, and amplitude to meet the needs of a particular application. A generic block diagram describing this function of the inverter is shown in Figure 14.1 for a generic DC-variable xdc, usually voltage or current. Note that Adc is the Ÿxed amplitude of xdc, while Aac, f, and θ represent the adjustable amplitude, frequency, and phase of the fundamental component of the switched AC-variable (xac{f1}), respectively. žis conversion is achieved by the proper control, better known as modulation, of the static power switches that interconnect the DC source to the AC load using the di¦erent conŸgurations or conduction states provided by the switches arrangement or topology.
