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- Title
A Generalized Model and Control for Supermagnetic and Supercapacitor Energy Storage.
- Authors
Gil-González, Walter Julián; Garcés, Alejandro; Escobar, Andrés
- Abstract
This paper presents a generalized linear model based on LMI state-feedback with integral action, applicable to the control of Electric Energy Storage Systems (EESS) such as Superconducting Magnetic Energy Storage (SMES) and Supercapacitor Energy Storage (SCES). A Voltage Source Converter (VSC) and a Pulse-Width modulated Current Source Converter (PWM-CSC) are respectively used to integrate the SCES and the SMES systems to the electrical distribution system. To represent the dynamics between the EESS and the power distribution system a reduced general linear model in the state-space representation is introduced. The proposed control scheme regulates independently the active and reactive power flow between the EESS and ac the grid. Three case scenarios comparing a conventional PI controller and the proposed technique are conducted considering grid voltage fluctuations. Extensive time-domain simulations demonstrate the robustness and proper performance of the proposed controller to operate the EESS as power compensator, in order to improve the operative conditions of electrical distribution systems.
- Subjects
ENERGY storage; ELECTRIC power distribution; SUPERCAPACITORS; MATHEMATICAL models
- Publication
Ingeniería y Ciencia, 2017, Vol 13, Issue 26, p147
- ISSN
1794-9165
- Publication type
Article
- DOI
10.17230/ingciencia.13.26.6