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Electricity, Volume 4, Issue 2

June 2023 - 6 articles

Cover Story: For the transition to electric vehicles to succeed, public charging infrastructure is vital. With the ongoing market uptake, the chance of a station already being occupied upon a user’s arrival increases, and therefore user comfort is greatly diminished. This paper introduces a novel and highly accurate algorithm to predict how long a user will remain at a station. The model uses station-specific data such as past occupation patterns or holiday periods as well as the already elapsed charging time. While other models exist that are based on the former data category, the latter one is introduced in this paper and able to greatly reduce the prediction error during a live event while deploying a single model by exploiting the fact that training data are split randomly between the submodels, thus constituting an ensemble learner. View this paper
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Articles (6)

  • Article
  • Open Access
5 Citations
4,068 Views
31 Pages

We have developed a conventional benchmark model for the prediction of two days of electricity consumption for industrial and institutional customers of an electricity provider. This task of predicting 96 values of 15 min of electricity consumption p...

  • Article
  • Open Access
7 Citations
3,968 Views
14 Pages

Bidirectional Charging for BEVs with Reconfigurable Battery Systems via a Grid-Parallel Proportional-Resonant Controller

  • Johannes Buberger,
  • Michael Hohenegger,
  • Julian Estaller,
  • Andreas Wiedenmann,
  • Wolfgang Grupp,
  • Wolfgang Bliemetsrieder,
  • Manuel Kuder,
  • Anton Lesnicar and
  • Thomas Weyh

This paper investigates the potential of bidirectional charging using modular multilevel inverter-based reconfigurable battery systems via grid-parallel control. The system offers several advantages such as modularity, scalability, and fault-toleranc...

  • Article
  • Open Access
17 Citations
3,804 Views
17 Pages

Wide-Area Power System Stabilizers (WAPSSs) are damping controllers used in power systems that employ data from Phasor Measurement Units (PMUs). WAPSSs are capable of providing high damping rates for the low-frequency oscillation modes, especially th...

  • Feature Paper
  • Article
  • Open Access
8 Citations
4,830 Views
20 Pages

Data-Driven, Short-Term Prediction of Charging Station Occupation

  • Roya Aghsaee,
  • Christopher Hecht,
  • Felix Schwinger,
  • Jan Figgener,
  • Matthias Jarke and
  • Dirk Uwe Sauer

25 April 2023

Enhancing electric vehicle infrastructure by forecasting the availability of charging stations can boost the attractiveness of electric vehicles. The transportation sector plays a crucial role in battling climate change. The majority of available pre...

  • Article
  • Open Access
2 Citations
3,081 Views
20 Pages

13 April 2023

In isolated power systems with very high instantaneous shares of renewables, additional inertia should be used as a complementary resource to battery energy storage systems (BESSs) for improving frequency stability, which can be provided by synchrono...

  • Article
  • Open Access
1 Citations
3,338 Views
18 Pages

We propose a method for the fault passage indication of earth faults in resonant-earthed networks, based on phase current measurements alone. This is particularly relevant for electricity distribution systems at medium-voltage levels. The method is b...

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Electricity - ISSN 2673-4826Creative Common CC BY license