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Energies
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Distributed Storage in Power System: Technologies, Control and Management II
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Distributed Storage in Power System: Technologies, Control and Management II

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "D: Energy Storage and Application".

Deadline for manuscript submissions: closed (15 March 2023) | Viewed by 7698

Special Issue Editor

Dr. Nicola Sorrentino

E-Mail Website
Guest Editor
Department of Mechanical, Energy and Management Engineering (DIMEG), University of Calabria, 87036 Rende, Italy
Interests: renewable energy technologies; power systems analysis; power systems simulation; distributed generation; energy management; electricity market
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The growing increase in electricity production from non-programmable renewable sources, such as wind and photovoltaic, has strongly driven the development of storage systems both in transmission and distribution grid and in final user. The use of these technologies impacts on the management and control of the electricity system at the various levels of the supply chain. The objective of the special issue is to deliver an actual state of the art of various storage technologies (batteries, fuel cells, power to gas, etc), their control devices and their management (centralized or distributed). So papers on this subject are welcome for submission.

Dr. Nicola Sorrentino
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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Keywords

  • batteries
  • fuel cells
  • power electronics
  • power system resilience
  • prosumer self consumption
  • ancillary service markets
  • community storage systems
  • storage management systems

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Published Papers (3 papers)

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Research

16 pages, 1648 KiB  
Article
Storage Optimization (r, Q) Strategy under Condition-Based Maintenance of Key Equipment of Coal-Fired Power Units in Carbon Neutrality Era
by Tao Sun, Qiang Zhang, Jing Ye, Rong Guo, Rongze Chen, Jianguo Chen, Rui Xiong, Jitao Zhu and Yue Cao
Energies 2023, 16(14), 5485; https://doi.org/10.3390/en16145485 - 19 Jul 2023
Cited by 1 | Viewed by 1102
Abstract
For the safe, stable, and economic operation of thermal power units in new power systems, the condition-based maintenance mode and storage strategy of key equipment and materials for power generation enterprises were selected. According to the storage linkage demand of condition-based maintenance, a [...] Read more.
For the safe, stable, and economic operation of thermal power units in new power systems, the condition-based maintenance mode and storage strategy of key equipment and materials for power generation enterprises were selected. According to the storage linkage demand of condition-based maintenance, a Weibull probability density function was used to calculate spare parts demand, and an intelligent storage optimization model with an availability constraint was established. The application cases of spare parts cost and availability of high-value key equipment and low-value key equipment of coal-fired thermal power units were analyzed, respectively, and the influence of different life spans and the number of covered units on the model were expounded. The results show that the cost of spare parts borne by a single unit is greatly reduced via the optimization of an intelligent inventory (r, Q) strategy on the premise that the availability of units is not less than 99.5%. Full article
(This article belongs to the Special Issue Distributed Storage in Power System: Technologies, Control and Management II)
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11 pages, 3393 KiB  
Article
Denitrification in Microbial Fuel Cells Using Granular Activated Carbon as an Effective Biocathode
by Anup Gurung, Bhim Sen Thapa, Seong-Yun Ko, Ebenezer Ashun, Umair Ali Toor and Sang-Eun Oh
Energies 2023, 16(2), 709; https://doi.org/10.3390/en16020709 - 7 Jan 2023
Cited by 7 | Viewed by 2362
Abstract
Nitrate (NO3−-N) and nitrites (NO2−-N) are common pollutants in various water bodies causing serious threats not only to aquatic, but also to animals and human beings. In this study, we developed a strategy for efficiently reducing nitrates [...] Read more.
Nitrate (NO3−-N) and nitrites (NO2−-N) are common pollutants in various water bodies causing serious threats not only to aquatic, but also to animals and human beings. In this study, we developed a strategy for efficiently reducing nitrates in microbial fuel cells (MFCs) powered by a granular activated carbon (GAC)-biocathode. GAC was developed by acclimatizing and enriching denitrifying bacteria under a redox potential (0.3 V) generated from MFCs. Thus, using the formed GAC-biocathode we continued to study their effect on denitrification with different cathode materials and circulation speeds in MFCs. The GAC-biocathode with its excellent capacitive property can actively reduce nitrate for over thirty days irrespective of the cathode material used. The stirring speed of GAC in the cathode showed a steady growth in potential generation from 0.25 V to 0.33 V. A rapid lag phase was observed when a new carbon cathode was used with enriched GAC. While a slow lag phase was seen when a stainless-steel cathode was replaced. These observations showed that effective storage and supply of electrons to the GAC plays a crucial role in the reduction process in MFCs. Electrochemical analysis of the GAC properties studied using electrochemical impedance spectroscopy (EIS), cyclic voltammetry (CV), and zeta potential showed distinct properties with different abiotic and biocathode conditions. We found that the enrichment of electrotrophic bacteria on GAC facilitates the direct electron transfer in the cathode chamber for reducing NO3−-N in MFCs as observed by scanning electron microscopy. Full article
(This article belongs to the Special Issue Distributed Storage in Power System: Technologies, Control and Management II)
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Graphical abstract

19 pages, 5118 KiB  
Article
Improving the Battery Energy Storage System Performance in Peak Load Shaving Applications
by Anderson V. Rocha, Thales A. C. Maia and Braz J. C. Filho
Energies 2023, 16(1), 382; https://doi.org/10.3390/en16010382 - 29 Dec 2022
Cited by 5 | Viewed by 3838
Abstract
Peak load shaving using energy storage systems has been the preferred approach to smooth the electricity load curve of consumers from different sectors around the world. These systems store energy during off-peak hours, releasing it for usage during high consumption periods. Most of [...] Read more.
Peak load shaving using energy storage systems has been the preferred approach to smooth the electricity load curve of consumers from different sectors around the world. These systems store energy during off-peak hours, releasing it for usage during high consumption periods. Most of the current solutions use solar energy as a power source and chemical batteries as energy storage elements. Despite the clear benefits of this strategy, the service life of the battery energy storage system (BESS) is a driving factor for economic feasibility. The present research work proposes the use of storage systems based on actively connected batteries with power electronics support. The proposed scheme allows the individualized control of the power flow, enabling the use of batteries with different ages, technologies or degradation states in a same BESS. The presented results show that overcoming inherent limitations found in passively connected battery banks makes it possible to extend the system’s useful life and the total amount of dispatched energy by more than 50%. Experimental tests on a bench prototype with electronified batteries are carried out to proof the central concept of the proposed solution. Computational simulations using collected data from a photovoltaic plant support the conclusions and discussions on the achieved benefits. Full article
(This article belongs to the Special Issue Distributed Storage in Power System: Technologies, Control and Management II)
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