A novel low-voltage ride-through capable energy management scheme for a grid-connected hybrid photovoltaic-fuel cell power source

Abstract

Summary A novel low‐voltage ride‐through capable energy management control system is proposed for a grid‐connected hybrid photovoltaic‐fuel cell power source. The scheme is designed to enable the hybrid power source to follow a power demand from the grid operator. Additionally, the system is able to ride through both symmetrical and asymmetrical voltage sags while providing active and reactive power support to the grid. The injected active power is kept constant during asymmetrical voltage sags without requiring a phase locked loop or positive‐negative sequence extraction, thus lowering the computational complexity and design requirements of the control system. Several test cases are simulated using the SimPowerSystems toolbox of MATLAB/Simulink computing environment to demonstrate effectiveness of the proposed strategy both under normal and voltage sag conditions. Results of the control algorithm's digital implementation on a low‐cost microcontroller are also presented.

Distributed Power Grid Connected Panoramic Perception Technology Based on Digital Twin Model

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“…In formula (8), y is used to describe the device state signal after denoising; i represents the number of basic mode components; i e is used to describe the basic mode components after threshold processing; n represents the length of the basic mode component. By combining signal reconstruction, a noise-free operating state signal of power equipment can be obtained [20][21].…”

Modeling analysis and design of Solar PV based hydrogen energy storage system for residential applications

“…The study concluded that this method is expensive. A study is carried out on the technical feasibility of PV-based off-grid system with battery and hydrogen storage system [15]. In the same way, the technical feasibility of hybrid solar PV/hydrogen fuel cell is examined [8].…”

PSO optimized PI controlled DC‐DC buck converter‐based proton‐exchange membrane fuel cell emulator for testing of MPPT algorithm and battery charger controller

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