Control-induced time-scale separation for multiterminal high-voltage direct current systems using droop control

Chen, Yijing and Jiménez Carrizosa, Miguel and Damm, Gilney and Lamnabhi-Lagarrigue, Françoise and Li, Ming and Li, Yang (2019). Control-induced time-scale separation for multiterminal high-voltage direct current systems using droop control. "IEEE Transactions on Control Systems Technology", v. 28 (n. 3); pp. 967-983. ISSN 1063-6536. https://doi.org/10.1109/TCST.2019.2901343.

Description

Title: Control-induced time-scale separation for multiterminal high-voltage direct current systems using droop control
Author/s:
  • Chen, Yijing
  • Jiménez Carrizosa, Miguel
  • Damm, Gilney
  • Lamnabhi-Lagarrigue, Françoise
  • Li, Ming
  • Li, Yang
Item Type: Article
Título de Revista/Publicación: IEEE Transactions on Control Systems Technology
Date: May 2019
ISSN: 1063-6536
Volume: 28
Subjects:
Freetext Keywords: Droop control; multiterminal voltage source converter (VSC)-HVdc systems; power systems stability; singular perturbation
Faculty: E.T.S.I. de Minas y Energía (UPM)
Department: Energía y Combustibles
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

This paper introduces a control induced time-scale separation scheme for a multiterminal high-voltage direct current system used for large scale integration of renewable energy sources. The main idea is to provide a detailed theoretical analysis to the long stand practice that consists of the empirical design of two control loops for the terminals. Experience has shown that such loops, i.e., current and voltage control loops, when heuristically tuned, often display very different dynamics. In this paper, singular perturbation theory is applied to give explanation and fundamental analysis on why and how the two control loops work and how to achieve the timescale separation between various state variables. Mathematical analysis is also carried out to illustrate a clear tradeoff between system performance (actuator constraint) and the size of the region of attraction of the controller. Numerical simulations for a system with four terminals are presented to evaluate the system performance and illustrate the theoretical analysis.

More information

Item ID: 63988
DC Identifier: http://oa.upm.es/63988/
OAI Identifier: oai:oa.upm.es:63988
DOI: 10.1109/TCST.2019.2901343
Official URL: http://ieeexplore.ieee.org/xpl/RecentIssue.jsp/?punumber=87
Deposited by: Memoria Investigacion
Deposited on: 25 Sep 2020 08:06
Last Modified: 25 Sep 2020 08:06
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