Simulation Model for Wind Energy with Variable Load Conversion using T-type Three-phase Inverter
Keywords:
Wind Energy Conversion Systems (WECS), MPPT, DC-DC Boost Converter, PMSGAbstract
In modern years, among various renewable energy sources, the Wind Energy Conversion System (WECS) has been considered as one of the most rapid growing energy sources and has gained enormous admiration. There are several techniques by which we can extract power efficiently from wind turbines which is to be communicated to the grid. This paper presents a novel MPPT algorithm based on optimization of converter duty cycle values. The main idea is to build a mathematical model which relates the optimal duty cycle according to wind speeds. This model has been built based on simulations of a standalone low-cost WECS consisting of wind turbine, permanent magnet synchronous generator (PMSG), uncontrolled rectifier, DC/DC boost converter and constant load. The WECS have been simulated based on variable wind speed. The duty cycle values have been selected while monitoring and recording the output power. Then, the model has been built based on the optimal duty cycle which ensures the successful achievement of the MPP operation at specific wind speed. The results obtained have shown improved and acceptable performance of low-cost WECS in terms of MPP operation achievement and tracking time.
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