Crowbar circuits have long been the go-to safeguard against overvoltage conditions, prized for their simplicity and ...
Abstract: It is well known that there exist second-order harmonic current and corresponding ripple voltage on dc bus for single phase PWM rectifiers. The low frequency harmonic current is normally ...
Abstract: This paper presents a five-level unidirectional rectifier with active power factor correction, sinusoidal shaping of the input current, and output voltage control. The rectifier is ...
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