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Modeling, Analysis, Simulation, Control and Protection of Converter Dominated Power Systems

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F1: Electrical Power System".

Deadline for manuscript submissions: closed (20 May 2022) | Viewed by 3330

Special Issue Editor


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Guest Editor
ICAI School of Engineering, Institute for Research in Technology, Comillas Pontifical University, 28015 Madrid, Spain
Interests: modeling, analysis, control and identification of dynamic and transient performance of power systems

Special Issue Information

Dear Colleagues,

Energy transition will lead to a power system dominated by generation (wind and solar photovoltaic) that is connected to the grid through power electronic converters. Moreover, HVDC transmission will be a relevant component in such power systems. A converter dominated power system raises many challenges in modeling, analysis, simulation, control and protection. What models can be used to characterize the relevant dynamics? What simulation and analysis techniques are appropriate for the proposed models? How should controllers of inner, outer and complementary loops be designed? How should the current protection system be operated and what modifications will be needed?

Potential topics include, but are not limited to:

  • Models of power electronic converters;
  • Models of wind and solar photovoltaic plants;
  • Overall power system models;
  • Time domain simulation of highly stiff systems;
  • Eigenvalue analysis;
  • Inner control, outer control loop and supplementary controller design;
  • Controller interaction;
  • Protection systems;
  • Practical studies of power systems with mostly converter-based generation.

Prof. Dr. Luis Rouco Rodríguez
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.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Electromagnetic models
  • Reduced models
  • Large disturbance stability
  • Small signal stability
  • Voltage and frequency stability
  • Subsynchronous oscillations
  • Low frequency oscillations
  • Controller design
  • Protection systems

Published Papers (2 papers)

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Research

15 pages, 4547 KiB  
Article
An Actively Controlled Two-Terminal Network Implementing a Given Linear Nonconvolution-Type Immittance Operator
by Maciej Siwczyński, Marcin Jaraczewski and Konrad Hawron
Energies 2022, 15(12), 4385; https://doi.org/10.3390/en15124385 - 16 Jun 2022
Viewed by 862
Abstract
This paper is a study on the synthesis of digital filters used to control active or self-excited systems. The active two-terminal branch implements a nonconvolution-type immittance operator, which generates a current waveform depending on the given impedance or admittance operator. In this article, [...] Read more.
This paper is a study on the synthesis of digital filters used to control active or self-excited systems. The active two-terminal branch implements a nonconvolution-type immittance operator, which generates a current waveform depending on the given impedance or admittance operator. In this article, for the first time, the method of how to construct immittance operators for linear time-variant (nonconvolution-type) two-terminal circuits, over discrete time, is presented. These operators are useful when calculating periodic steady-state signals of a parametric circuit. The formula for the duty cycle is derived based on the current generated by this branch, assuming a known branch voltage or vice versa. This formula allows us to make a direct calculation of the duty-cycle in an analytical manner and does not refer to any auxiliary signals, e.g., sawtooth signals, or to any control systems, e.g., PI controller. The determined duty-cycles allow us to select the appropriate switching frequency and voltage value for the switched voltage source. With this method, it is also possible to assess the parameters of the current signal that would be generated in the actual active filter branch due to the calculated PWM voltage. The presented method can be an alternative to commonly used PI controllers in feedback for controlling active power filters/inverters. Full article
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15 pages, 1263 KiB  
Article
Direct Participation of Dynamic Virtual Power Plants in Secondary Frequency Control
by M. Ebrahim Adabi and Bogdan Marinescu
Energies 2022, 15(8), 2775; https://doi.org/10.3390/en15082775 - 10 Apr 2022
Cited by 1 | Viewed by 1404
Abstract
This paper proposes a novel control strategy in which Renewable Energy Sources (RES) considered in a new Dynamic Virtual Power Plant (DVPP) concept directly participate to Secondary Frequency Control (SFC). This allows full participation of these generators to SFC, i.e., in the same [...] Read more.
This paper proposes a novel control strategy in which Renewable Energy Sources (RES) considered in a new Dynamic Virtual Power Plant (DVPP) concept directly participate to Secondary Frequency Control (SFC). This allows full participation of these generators to SFC, i.e., in the same manner as classic synchronous generators by fulfilling identical specifications from both control and contractual points of view. An internal real-time redispatch has been proposed to account in DVPP in order to determine the amount of active power injection by each RES unit for the provision of frequency support at the secondary level. The whole control scheme is designed to take into account both rapid and slow dynamics of modern power systems which contain both classic synchronous generators and rapid power electronics for renewable energy sources in which DVPP is supposed to be inserted. The performance of secondary frequency control strategy has been validated through simulation studies on a two-area benchmark with mixed wind power plants and classic synchronous generators. This work is part of the H2020 POSYTYF project Full article
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