Performance Analysis of Improved High Step-Up Luo Converter for WECS: An Experimental Study

This study proposes a high step-up Luo converter for a Wind Energy Conversion System (WECS) controlled by a conventional Perturb & Observe Maximum Power Point Tracking algorithm (P&O MPPT). WECS uses numerous DC-DC converters to improve the model’s performance. However, they failed to achieve the desired voltage gain under variable environmental conditions. Hence, this study developed a high step-up converter by combining the traditional super-lift Luo converter with a traditional boost converter. This proposed converter uses fewer switches and passive components to reduce the switching stress across the circuit. Particularly, the P&O MPPT algorithm employed within this study has a fast dynamic response and it regulates the operation of the converter thereby understanding the changes in the environmental condition. To evaluate the performance of this proposed system, an experimental analysis of the proposed model is designed and tested under severe changes in the environmental condition.