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Electricity, Volume 2, Issue 3

2021 September - 10 articles

Cover Story: The fast-growing number of converter-interfaced renewable energy sources and heavy loads connecting to the grid arises concerns about grid stability, accelerating the adoption of distributed power management strategies provided by microgrids. The PLL is a key element in the converter control loop, mostly when the converter operates in a weak grid (island operation). Under such conditions, the PLL must present higher robustness, contributing to a stable frequency while also being critical that phase angle estimation does not interfere with the converter control loops' stability. In this paper, a comprehensive comparison between the dynamic and steady-state responses of different DSOGI-PLL methods is performed and benchmarked, considering different grid conditions and disturbances aiming to aid the reader in selecting the compared methods. View this paper.
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Articles (10)

  • Article
  • Open Access
23 Citations
4,041 Views
16 Pages

17 September 2021

This paper presents a stochastic approach to single-phase and three-phase EV charge hosting capacity for distribution networks. The method includes the two types of uncertainties, aleatory and epistemic, and is developed from an equivalent method tha...

  • Review
  • Open Access
55 Citations
25,469 Views
29 Pages

Thermoelectric Power Generators: State-of-the-Art, Heat Recovery Method, and Challenges

  • Rima Aridi,
  • Jalal Faraj,
  • Samer Ali,
  • Thierry Lemenand and
  • Mahmoud Khaled

16 September 2021

Electricity plays a significant role in daily life and is the main component of countless applications. Thus, ongoing research is necessary to improve the existing approaches, or find new approaches, to enhancing power generation. The thermoelectric...

  • Article
  • Open Access
7 Citations
4,405 Views
17 Pages

12 September 2021

The verification of the limits of the population’s exposure to the magnetic field generated by double-circuit power lines from field measurements carried out on site is not trivial. It requires knowledge of the power line current instant values durin...

  • Concept Paper
  • Open Access
8 Citations
4,917 Views
12 Pages

24 August 2021

DC microgrids are set to change the landscape of future energy markets. However, a wide-scale deployment faces three major issues: initial synchronization of microgrid with the utility grid, slip management during its operation, and mitigation of dis...

  • Article
  • Open Access
7 Citations
4,532 Views
14 Pages

19 August 2021

This paper presents a numerical study on the reduction in the voltage and current induced on a 13.5 km buried metallic pipeline by an overhead power line. The mitigation effectiveness of different configurations and cross-section shapes of screening...

  • Article
  • Open Access
4 Citations
4,118 Views
16 Pages

12 August 2021

This paper presents a study and proposes a new methodology to analyze, evaluate and reduce the overall uncertainty of instrumentations for EMC measurements. For the scope of this work, the front end of a commercial EMI receiver is chosen and variatio...

  • Article
  • Open Access
6 Citations
5,776 Views
15 Pages

Assessment of the Visual Impact of Existing High-Voltage Lines in Urban Areas

  • Andreas Sumper,
  • Oriol Boix-Aragones,
  • Joan Rull-Duran,
  • Joan Amat-Algaba and
  • Joachim Wagner

This article proposes a novel methodology to evaluate the visual impact of high-voltage lines in urban areas based on photographic images. The use of photographs allows for calculating the overall aesthetic impact while eliminating the subjective fac...

  • Article
  • Open Access
14 Citations
9,105 Views
14 Pages

Design Techniques for Low-Power and Low-Voltage Bandgaps

  • Edoardo Barteselli,
  • Luca Sant,
  • Richard Gaggl and
  • Andrea Baschirotto

Reverse bandgaps generate PVT-independent reference voltages by means of the sums of pairs of currents over individual matched resistors: one (CTAT) current is proportional to VEB; the other one (PTAT) is proportional to VT (Thermal voltage). Design...

  • Review
  • Open Access
31 Citations
9,021 Views
27 Pages

Comparison of DSOGI-Based PLL for Phase Estimation in Three-Phase Weak Grids

  • Jorge Pinto,
  • Adriano Carvalho,
  • Agostinho Rocha and
  • Armando Araújo

The paper presents a summary of different double second-order generalized integrator (DSOGI)-based phase-locked loop (PLL) algorithms for synchronization with three-phase weak grids. The different methods are compared through simulation under a varie...

  • Article
  • Open Access
10 Citations
4,569 Views
19 Pages

Electric Vehicles as a Flexibility Provider: Optimal Charging Schedules to Improve the Quality of Charging Service

  • Kalle Rauma,
  • Alexander Funke,
  • Toni Simolin,
  • Pertti Järventausta and
  • Christian Rehtanz

The sub-aggregation of electric vehicles provides significant potential to power systems in the form of ancillary services. This means with smart charging it is possible to shift loads from peak to off-peak hours. For the flexibility from privately o...

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Electricity - ISSN 2673-4826