Email this article Adaptive Voltage Control Based Three-Phase Inverter Interfacing With Ultracapacitor For Renewable Energy Systems
Abstract
Now a days the use of the renewable energy systems has been increased in the distributed generation. This paper presents an Adaptive voltage control theory for the three phase system, which is feeded by solar PV system (renewable energy system). An ultra-capacitor is interfaced for the proposed system through a DC-DC converter. With this interface, the disturbances in the DC output of the PV panels will be reduced and the DC input to the three phase inverter system will maintain constant. The DC-DC converter will regulates the DC voltage of the ultra-capacitor. Ultra-capacitors are used to improve the system's reliability and energy conversion efficiency. The proposed adaptive voltage control technique is a closed loop control system, which combines an adaption control term and a state feedback control term. This proposed control strategy has exceptional voltage regulation performance under various types of loads. The MATLAB/SIMULINK software is used to test the simulation results under the parameter uncertainties and is compared to the performances of the corresponding non-adaptive voltage controller. These results show that a good DC bus voltage regulation in the tested conditions.
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References
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