A Fuzzy-Based PI Controller for Power Management of a Grid-Connected PV-SOFC Hybrid System (original) (raw)

Fuzzy Control based Hybrid Grid Connected Hybrid PV/PEMFC/Battery Distributed Generation System

This Thesis describes the power control strategies of a fuzzy controlled grid connected hybrid photovoltaic and proton exchange membrane fuel cell distributed generation system with battery as energy storage device. The primary source of energy for the hybrid distributed generation system is from photovoltaic cell and proton exchange membrane fuel cell and the battery acts as a complementary source of energy. The hybrid distributed generation system is connected to a grid through power electronic interfacing devices. A Matlab/Simulink model is developed for the grid connected hybrid distributed generation system, fuzzy controlled power electronic DC/DC and DC/AC converters to control the flow of power on both sides. Simulation results illustrate the performance of the hybrid system following the load demand and operating the system near unity power factor.

A Hybrid Grid Connected PV/PEMFC/Battery Distributed Generation System With Fuzzy Control Strategy

2018

This Thesis describes the power control strategies of a fuzzy controlled grid connected hybrid photovoltaic and proton exchange membrane fuel cell distributed generation system with battery as energy storage device. The primary source of energy for the hybrid distributed generation system is from photovoltaic cell and proton exchange membrane fuel cell and the battery acts as a complementary source of energy. The hybrid distributed generation system is connected to a grid through power electronic interfacing devices. A Matlab/Simulink model is developed for the grid connected hybrid distributed generation system, fuzzy controlled power electronic DC/DC and DC/AC converters to control the flow of power on both sides. Simulation results illustrate the performance of the hybrid system following the load demand and operating the system near unity power

Fuzzy Logic Based Controller for a Grid-Connected Solid Oxide Fuel Cell Power Plant

This paper describes a mathematical model of a solid oxide fuel cell (SOFC) power plant integrated in a multimachine power system. The utilization factor of a fuel stack maintains steady state by tuning the fuel valve in the fuel processor at a rate proportional to a current drawn from the fuel stack. A suitable fuzzy logic control is used for the overall system, its objective being controlling the current drawn by the power conditioning unit and meet a desirable output power demand. The proposed control scheme is verified through computer simulations.