Design and implementation of PI controller for the hybrid energy system

Elwarfalli, Hamed; Muntaser, Akram; Kumar, Jitendra; Subramanyam, Guru

doi:10.1109/naecon.2016.7856793

Cited by 7 publications

(5 citation statements)

References 6 publications

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“…DC/DC converters have been widely used in distributed power generation systems [10,11], electric vehicles [12,13] and uninterruptible power supply systems, and other emerging energy conversion systems. With the increasing use of DC micro-power and DC load, DC microgrids with energy storage systems have broad development prospects [14]. In this paper, the methodology of the system including the basic concepts of the DC microgrid architecture and system configuration is discussed in section I along with the fundamental theory of the system components (renewable energy sources and D/DC converters).…”

Section: Of 12mentioning

confidence: 99%

DC Microgrid Based on Battery, Photovoltaic, and Fuel Cells; Design and Control

Muntaser¹,

Ragb²,

Elwrfalli³

2022

Preprint

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Microgrids offer flexibility in power generation in a way of using multiple renewable energy sources. In the past few years, microgrids become a very active research area in terms of design and control strategies. Most of the microgrids use DC/DC converters to connect renewable energy sources to the load. In this paper, the simulation model of a DC microgrid with three different energy sources (Lithium-ion battery (LIB), photovoltaic (PV) array, and fuel cell) and external variant power load is built with MATLAB/Simulink and the simulative results show that the stability of DC microgrid can be guaranteed by the proposed maximum power point controller MPPT. The three energy sources are connected to the load through DC/DC converters, one for each. This type of topology ensures protection for each energy source as well as optimum stability at the load.

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Section: Of 12mentioning

confidence: 99%

DC Microgrid Based on Battery, Photovoltaic, and Fuel Cells; Design and Control

Muntaser¹,

Ragb²,

Elwrfalli³

2022

Preprint

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“…Many batteries are available for these applications, but the most promising proves to be lithium-ion batteries (LIBs), due mostly to their ability to provide high voltages and large energy storage densities [5]. LIBs have found uses in a very wide range of applications as environmentally friendly electric vehicles [6,7] and rechargeable phone batteries [8][9][10]. The main advantage of Lithium-ion batteries (Li-ion) is their high energy density.…”

Section: Introductionmentioning

confidence: 99%

Design and Fabrication of Lithium-ion Batteries with Different Anodes

Muntaser¹

2023

Preprint

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Lithium-ion (Li-ion) batteries are becoming more common in portable electronic devices due to their high energy density, lack of memory effect, and high charge and discharge rate capabilities. Li-ion batteries are a relatively new technology, first marketed in the early 1990s, and research and development work are ongoing to improve safety and increase capacity, charge/discharge rate, and lifetime [1]. In this paper, we review the types and characteristics of Li-ion batteries and summarize charging methods and safety considerations. Following, we design and fabricate Li-ion battery and highlight the steps of fabrication that ensure fast charge/discharge rates that give the battery more reliability and high energy density

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“…Conventional PI controllers combined with low pass filter (LPF) based dual loop control strategy controls the operation of actively connected HESS in DCMG 20–22 . In this control strategy, three PI controllers are utilized to control the DCMG parameters, DC bus voltage, battery current and SC current.…”

Section: Introductionmentioning

confidence: 99%

Battery and supercapacitor assisted controller for stability enhancement of DC microgrid

Anu

Vasantha

Pillai

et al. 2022

Circuit Theory & Apps

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Despite the widespread popularity of DC microgrid (DCMG), one of the key issues faced by it is the instability arising from supply-demand imbalance, which is conventionally tackled via energy storage units such as batteries. But the life cycle of the battery, which may reduce when subjected to transients, can be prolonged by integrating fast acting supercapacitor (SC) with higher power density. Such a combination of energy storage units enables the DCMG to handle steady state and transient conditions effectively. However, the reduction in the operating voltage of SC may bring in ringing in the DC bus voltage, which will affect DCMG stability. Hence, this paper focuses on analysing the impact of SC voltage deviation on DCMG stability and to propose a controller design procedure with conventional PI controller and power management strategy to mitigate the aforementioned consequences. The simulation in MATLAB and real-time validation in OP4510 real-time simulator has been conducted. The results of both revealed that the proposed scheme has succeeded in eliminating ringing of DC bus voltage, irrespective of the SC operating voltage variations, thereby maintaining DCMG stability.

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Design and implementation of PI controller for the hybrid energy system

Cited by 7 publications

References 6 publications

DC Microgrid Based on Battery, Photovoltaic, and Fuel Cells; Design and Control

DC Microgrid Based on Battery, Photovoltaic, and Fuel Cells; Design and Control

Design and Fabrication of Lithium-ion Batteries with Different Anodes

Battery and supercapacitor assisted controller for stability enhancement of DC microgrid

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