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Usually, a boost converter is used to link source voltage and inverter in ac motor driving system. In this paper, a boost converter control system is designed to offer stable dc link voltage and assure the inverter could provide regulated sinusoidal power to ac motor under flexible input voltages (rectifier utility power or battery packs). The mathematic model of the boost converter based on PWM three-terminal...
This paper proposes a hybrid system consisting of a photovoltaic (PV) array and rechargeable battery integrated to the distribution grid with the aim to perform load sharing with the distribution grid. The PV array and the battery are connected to the dc-side of the voltage source inverter (VSI) through a boost converter and buck-boost converter respectively. A power management control strategy is...
This paper discusses a novel high-efficiency interleaving push-pull converter with very low input voltage and high output voltage. Such push-pull converter should be used as high capacity battery discharger, and has the capability to feedback the discharging energy to the grid if it is cascaded with an inverter. The main characteristics of such push-pull converter are high voltage turns ratio, all...
Z-Source inverter is a single-stage power converter capable of either stepping down or stepping up the input dc voltage while converting it to ac form. However, due to the presence of a diode in series with the input source, the power flow is limited to one direction, i.e. from the dc source to the ac side. However, for some energy storage applications such as ultracapacitor banks, battery banks etc...
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