Indian Journal of Science and Technology

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This paper proposes a concept of grid connected ac-linked stand-alone hybrid energy system. Generally, in this paper Wind and PV systems act as primary power sources, and a Fuel Cell based electrolyzer commonly acts as a backup and also as storage system. This paper also shows the information regarding power management strategies between stand- alone hybrid systems depending on the load demand. And also in addition a sliding mode controller is designed for fuel cell system to enhance the ability of tolerating perturbations and boost the functionality of system. The performance of this system is verified under different fault conditions which is occurred at place of grid system. And the harmonics which is caused by this fault condition is reduced by using active power filter. The proposed hybrid system is experimentally verified in Matlab/Simulink.

Keywords

Fuel Cell and Sliding Mode, Power Management, Solar System, Wind.
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