Recent Advances in Grid Connected Photovoltaic Systems

A special issue of Electricity (ISSN 2673-4826).

Deadline for manuscript submissions: closed (15 December 2021) | Viewed by 12232

Special Issue Editors


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Guest Editor
Beijing National Research Center for Information Science and Technology, Department of Automation, Tsinghua University, Beijing 100084, China
Interests: power electronics; renewable energy network system; wind power plant; data-driven control on energy systems
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Guest Editor
Department of Control, Automation and Computing Engineering, Federal University of Santa Catarina, Blumenau 89036-256, Brazil
Interests: power electronics; power quality; power control; photovoltaic systems; grid integration and control; multilevel inverters and power theories

Special Issue Information

Dear Colleagues,

Installations of grid-connected photovoltaic systems (GCPS) have been growing rapidly around the world, mainly due to their capacity to generate clean and renewable electricity. Industries and academia are always developing technological advancements for photovoltaic systems aiming at better utilization of electric energy, size reduction, high reliability, and accurate controllers, beyond other relevant topics. In this context, recent advances and new challenges can be addressed. The focus of this Special Issue is to publish original recent advances of GCPS contributing to the increased use of photovoltaic renewable energy. Topics of interest for this Special Issue include but are not limited to the following areas: trends and developments in GCPS technologies, new maximum power point tracks (MPPT) algorithms, new power electronic topology and modulations for GCPS, performance analysis and case studies, modeling and control of GCPS, optimal sizing of GCPS, thermal management, stability of GCPS, grid integration, fault ride-through, economic analysis, energy polices, energy management storage, intelligent metering, reliability-based design of PV systems, and economics/optimization of hybrid installations.

Prof. Dr. Hua Geng
Prof. Dr. Tiago Davi Curi Busarello
Guest Editors

Manuscript Submission Information

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Keywords

  • PV systems
  • Photovoltaic
  • Power control
  • Grid integration
  • Reliability
  • Stability
  • DC–AC converters
  • MPPT
  • Power inverter
  • Power filters

Published Papers (4 papers)

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Research

14 pages, 1722 KiB  
Article
Solar PV Stochastic Hosting Capacity Assessment Considering Epistemic (E) Probability Distribution Function (PDF)
by Enock Mulenga
Electricity 2022, 3(4), 586-599; https://doi.org/10.3390/electricity3040029 - 5 Dec 2022
Cited by 6 | Viewed by 2361
Abstract
This paper presents a stochastic approach to assessing the hosting capacity for solar PV. The method is part of the optimal techniques for the integration of renewables. There are two types of uncertainties, namely aleatory and epistemic uncertainties. The epistemic and aleatory uncertainties [...] Read more.
This paper presents a stochastic approach to assessing the hosting capacity for solar PV. The method is part of the optimal techniques for the integration of renewables. There are two types of uncertainties, namely aleatory and epistemic uncertainties. The epistemic and aleatory uncertainties influence distribution networks’ hosting capacity differently. The combination of the two uncertainties influences the planning of distribution networks. The study introduces and considers the epistemic probability distribution function (PDF). DSO does take levels of risk for a parameter violation when planning. Epistemic PDF is a range of values of the planning risk margin for quantifying the hosting capacity. The planning risk acknowledges that overvoltages may occur at weaker conceivable locations in a distribution network. In the paper, it has been shown that the number of customers who will be able to connect solar PV in future is influenced by the DSO’s planning risk margin. The DSO can be stricter or less strict in planning risk margin. It has been concluded that fewer customers can connect solar PV to a distribution network when a DSO takes a stricter planning risk. Alternatively, more customers can connect solar PV units for a less strict planning risk. How stricter or less strict the DSO is with the planning risk margin determines the investment needed for mitigation measures. The mitigation measures in the future will lead to not exceeding the overvoltage limit when solar PV is connected to the weaker conceivable points of the distribution network. Full article
(This article belongs to the Special Issue Recent Advances in Grid Connected Photovoltaic Systems)
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17 pages, 4636 KiB  
Article
A Novel Combined Control Strategy for a Two-Stage Parallel Full-Wave ZCS Quasi Resonant Boost Converter for PV-Based Battery Charging Systems with Maximum Power Point Tracking
by Reza Sabzehgar, Rami Ghali and Poria Fajri
Electricity 2022, 3(1), 145-161; https://doi.org/10.3390/electricity3010009 - 8 Mar 2022
Cited by 4 | Viewed by 2933
Abstract
This work deals with the design and validation of a combined control strategy to satisfy the requirements for both soft switching and Maximum Power Point Tracking (MPPT) for a Photo Voltaic based (PV-based) battery charging system. The proposed controller is employed for a [...] Read more.
This work deals with the design and validation of a combined control strategy to satisfy the requirements for both soft switching and Maximum Power Point Tracking (MPPT) for a Photo Voltaic based (PV-based) battery charging system. The proposed controller is employed for a two-stage parallel full-wave Zero Current Switching (ZCS) quasi resonant boost converter to obtain maximum voltage using Perturb and Observation (P&O) method. The controller utilizes frequency modulation to regulate the output voltage, considering any changes experienced due to the intermittent nature of the PV system. Operating principles of the tow-stage parallel boost converter are thoroughly analyzed, and Matlab Simscape toolbox and its real-time workshop capability is utilized to evaluate the performance of the proposed controller for a battery charging system. Full article
(This article belongs to the Special Issue Recent Advances in Grid Connected Photovoltaic Systems)
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14 pages, 3829 KiB  
Article
Pulsed-Supplied Water Electrolysis via Two-Switch Converter for PV Capacity Firming
by Pavlos Nikolaidis
Electricity 2022, 3(1), 131-144; https://doi.org/10.3390/electricity3010008 - 8 Mar 2022
Cited by 4 | Viewed by 2731
Abstract
Hydrogen constitutes the only carbon-free fuel that can be used for energy conversion, producing water as the only by-product. With water being one of the most abundant and inexhaustible raw materials in the world, and the required electricity input being provided by renewable [...] Read more.
Hydrogen constitutes the only carbon-free fuel that can be used for energy conversion, producing water as the only by-product. With water being one of the most abundant and inexhaustible raw materials in the world, and the required electricity input being provided by renewable resources, the produced hydrogen via water electrolysis constitutes a green pathway towards sustainability. In this work, a hybrid PV power-to-hydrogen, storage and fuel cell system is proposed to satisfy the domestic load of a residential building. Identifying alkaline as a mandatory electrolysis technology, the performance of alkaline electrolysis cells is assessed considering the inclusion of a two-switch buck-boost converter. Following a comprehensive formulation with respect to each distinguished system component, the balance condition at DC and AC buses is determined. The proposed configuration is evaluated, taking into account PV systems of different ratings, namely 3 kW, 5 kW and 7 kW. Based on actual data relating to both PV generation and domestic load for the year 2020, the obtained results from the annual simulations are compared with feed-in tariff and net-metering schemes. According to the results, PV capacity firming is achieved, creating great opportunities for autonomy enhancement, not only for electricity, but also in other energy sectors. Full article
(This article belongs to the Special Issue Recent Advances in Grid Connected Photovoltaic Systems)
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16 pages, 765 KiB  
Article
Participative Renewable Energy Community—How Blockchain-Based Governance Enables a German Interpretation of RED II
by Stefan P. M. Chantrel, Arne Surmann, Thomas Erge and Jessica Thomsen
Electricity 2021, 2(4), 471-486; https://doi.org/10.3390/electricity2040028 - 27 Oct 2021
Cited by 9 | Viewed by 2790
Abstract
Distributed solar photovoltaic generation is less expensive than the retail price of electricity from the grid in most parts of Europe. Growing shares of variable generation place a focus on Renewable Energy Communities (REC) to increase the economic benefits of local energy systems. [...] Read more.
Distributed solar photovoltaic generation is less expensive than the retail price of electricity from the grid in most parts of Europe. Growing shares of variable generation place a focus on Renewable Energy Communities (REC) to increase the economic benefits of local energy systems. Civil society could play an influential and necessary role in the development of such communities, the expansion of renewable energy capacity and the provision of flexibility. However, current RECs models still confine tenants to their role as non-participating consumers. This article provides a concept to enable participative RECs within the German regulatory framework through collective self-consumption by including consumers for a fair allocation of renewable electricity using the blockchain technology. Full article
(This article belongs to the Special Issue Recent Advances in Grid Connected Photovoltaic Systems)
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