An Efficient Energy Management Scheme for an Islanded DC Microgrid with Hybrid VRFB System | Zendy

S. Hameed | Zendy; I. Prabhakar Reddy | Zendy; V. Ganesh | Zendy; Aruna Rai Vadde | Zendy

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An Efficient Energy Management Scheme for an Islanded DC Microgrid with Hybrid VRFB System

Author(s) -

S. Hameed,

I. Prabhakar Reddy,

V. Ganesh,

Aruna Rai Vadde

Publication year - 2022

Publication title -

mathematical problems in engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.262

H-Index - 62

eISSN - 1026-7077

pISSN - 1024-123X

DOI - 10.1155/2022/9083307

Subject(s) - microgrid , flow battery , supercapacitor , energy storage , state of charge , battery (electricity) , energy management , voltage , automotive engineering , computer science , control theory (sociology) , electrical engineering , engineering , electronic engineering , energy (signal processing) , power (physics) , capacitance , control (management) , chemistry , physics , statistics , mathematics , electrode , quantum mechanics , artificial intelligence

This paper presents an efficient energy management scheme for an islanded DC microgrid included with vanadium redox flow battery (VRFB) with supercapacitor based hybrid energy storage system for a 3-phase variable load profile. The analysed islanded DC microgrid system is composed with sources such as lithium-ion batteries, fuel cell, supercapacitors, and vanadium redox flow battery (VRFB), along with involved DC/DC (buck, boost, and bidirectional) and DC/DC converters. In this paper, an adaptive proportional plus integral (PI) control based energy management scheme is implemented. The main theme on which the performance of this system is analysed is the state of charge of energy storage devices (VRFB, supercapacitor, and Li-ion battery) and the overall efficiency of system. The voltage spikes due to sudden change in load have been regulated by using supercapacitor and Li-ion battery with VRFB. To minimize the fuel consumption, an adaptive proportional plus integral control strategy is being used. In this paper the modelling and simulations are carried out by using MATLAB/SIMULINK software to demonstrate minimizing the effect of load fluctuations with the help of supercapacitor and batteries by synchronizing it to the DC microgrid.

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