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This paper presents a model-based predictive control scheme for a dual-output Nine-Switch Inverter (NSI) with output filter. The conventional Pulse Width Modulation (PWM) method for NSI control is very complicated, it requires a multi-loop control scheme and implementation incurs high computational costs. Conversely, the proposed predictive control scheme is simple and controls two the three-phase...
Active power filters create sideband harmonics over a wide frequency range around the multiple carrier-frequency harmonics, and these can encroach into the low frequency range. This issue is particularly critical when low carrier–fundamental frequency ratios are used such as in aerospace applications, where high fundamental frequencies exist. A three-phase multilevel active shunt filter with a low...
This paper presents a novel digital control scheme for single-phase PWM rectifier for reducing AC-side harmonic currents and improving power factor. The proposed inner current loop is a predictive controller with a plug-in repetitive learning controller, it can achieve zero tracking error and simultaneously hold a fast response with the DC load disturbance. A digital notch filter is added to the outer...
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