Design of Hybrid Solar - Wind Power System using Incremental Conductance MPPT Algorithm

Amongst all the renewable resources, wind and solar are the most popular resources due to its ease of availability and its easy conversion into electricity. A solar panel output will vary with respect to solar radiation and this radiation is less which does not meet the requirements of the load. Wind is a variable form of energy, varying throughout the day as well as with seasons. It is also not meet the requirement of the load. So we proposed hybrid renewable energy system to tracking maximum power by using Maximum Power Point Tracking (MPPT). An incremental Conductance(IC) algorithm is used for better tracking power. Single Ended Primary Inductance Converter (SEPIC) converter which acts as a step up or step down transformer to boost the voltage based on solar radiation level and wind system. The limitations such as inverted output voltage, high electric stress on converter elements and pulsating input current are resolved by the proposed converter. Sinusoidal Pulse Width Modulation (SPWM) type of inverter module is employed to convert DC voltage into AC voltage for AC load applications. The effectiveness of the proposed system is demonstrated in simulation using MATLAB/SIMULINK environment .The practical system was tested up to 15V solar panel, wind energy, 12V lead acid battery, and 24V SEPIC converter module and 230V inverter.