Mathematical analysis of PWM processesTools AinslieMalik, Gregory R. (2013) Mathematical analysis of PWM processes. PhD thesis, University of Nottingham.
AbstractPulse width modulation (PWM) inverters convert a direct current (DC) power supply to an alternating current (AC) supply by means of high frequency switching between two DC sources. Undesirable highfrequency components are generated in the frequency spectra of the voltages and currents of PWM inverters. The highfrequency components are ultimately removed from the input and output waveforms by filters. PWM inverters are used in a wide variety of electrical devices, ranging from microwave ovens to the electrical parts of aircraft. In many of these devices, minimising the size and weight of the electrical parts is important, and, consequently, it is desirable to design efficient filters for PWM inverters. Identification of the unwanted highfrequency components allows for optimal filter design.
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