Power Quality in Modern Distribution Systems: Latest Advances and Prospects
A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F: Electrical Engineering".
Deadline for manuscript submissions: 31 March 2025 | Viewed by 2956
Special Issue Editors
Interests: electric systems; power quality; power electronics
Special Issues, Collections and Topics in MDPI journals
Interests: object-oriented methods; applied to state estimation in the distribution networks; voltage regulation in distribution networks in the presence of distributed generation; power quality
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Distribution systems are undergoing a profound transformation driven by innovation seeking to address the so-called energy transition, one of the biggest challenges in the electricity sector.
The growing presence of distributed generation to increase the share of the load covered by renewable sources, new forms of aggregation in micro grids of prosumers, RES communities, shared consumption options, as well as the increasing penetration of both electric mobility and demand flexibility are issues that impact the set-up and management, of electricity services, as well as the requirements of efficiency and quality.
Power quality (PQ) issues have expanded to include additional disturbances emitted by switching converters installed at the interface between loads and the distribution network. The disturbance of electrical quantities includes tones exceeding 2 kHz in a range that up to 150 kHz is not yet regulated by norms or standards on acceptable limits or appropriate indexes to estimate the cumulative impact of multiple simultaneous sources. The criticality of events such as voltage dips, voltage swells, or of certain operating conditions, such as resonance, is exacerbated by the reduced robustness of distribution networks, especially in the case of urban or micro-grid environments. No less important are the expected evolution trends toward DC distribution, for which PQ indexes need to be defined to characterize levels and prospectively establish planning and compatibility objectives. The increased interest in improving energy efficiency makes the containment of additional losses due to PQ-conducted disturbances crucial.
Finally, the availability of measured data from the field has made possible new models and data-driven methods to estimate, predict, and maximize the PQ levels of networks.
This Special Issue aims to present and disseminate the most recent advances and prospects relating to the modelling, methods, design, application, control, and monitoring of PQ issues in modern distribution systems.
Topics of interest for publication include, but are not limited to:
- All aspects of PQ disturbance—variations, harmonics, supra-harmonics, unbalances, events, voltage dips, voltage swells, interruptions, and others;
- PQ in micro-grid and RES energy communities;
- DC distribution systems;
- Models and methods for forecasting PQ levels;
- Energy efficiency tied to PQ levels;
- Supra-harmonic distortion—models, methods, and indices;
- Voltage dip and swell propagation;
- Data-driven approaches for forecasting, managing, and controlling PQ levels;
- Unbalances;
- Transient overvoltages (surges/spikes).
Prof. Dr. Paola Verde
Dr. Giovanni M. Casolino
Guest Editors
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Keywords
- power quality
- micro grid
- energy communities
- RES
- electric mobility
- energy efficiency
- distortion
- harmonics
- supra-harmonics
- data-driven approaches
- forecasting
- transients
- reliability
- unbalances
- standards
- DC distribution
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