Open AccessSimulation of Photovoltaic Array in DC Microgrid with MPPT using Perturb & Observe Method
Author(s) -
Bhukya Yuktha Mukhi
Publication year - 2021
Publication title -
international journal for research in applied science and engineering technology
Language(s) - English
Resource type - Journals
ISSN - 2321-9653
DOI - 10.22214/ijraset.2021.35539
Subject(s) - microgrid , photovoltaic system , supercapacitor , battery (electricity) , maximum power point tracking , energy storage , duty cycle , renewable energy , power (physics) , computer science , maximum power principle , lead–acid battery , controller (irrigation) , electrical engineering , automotive engineering , materials science , control theory (sociology) , inverter , voltage , engineering , control (management) , electrode , chemistry , physics , capacitance , artificial intelligence , biology , quantum mechanics , agronomy
If The stand-alone dc microgrid system with a PVA i.e solar renewable energy source is operated without any supportive energy storage sources like battery and supercapacitor, then it will lead to an unstable operation of a DC microgrid, so it necessitates the usage of energy storage devices for maintaining stability in the system and also to improve the efficiency of PVA we have used an MPPT controller with P&O algorithm which provides a required duty ratio for DC-DC boost converter and this converter sees that the maximum power can be transmitted from PVA to loads. In this paper, we present how we performed a simulation study by integrating Simulink models like PVA, MPPT, battery, and Supercapacitor at Point of common coupling with DC loads and observed the stability of the system with different conditions like the change of irradiances during charging and discharging processes of storage devices and observed how is the power-sharing from PVA, Battery, and supercapacitor concerning change in load.