A flywheel energy storage system with Matrix Converter controlled Permanent Magnet Synchronous Motor

Gâmboa, Paulo; Pinto, Sónia; Silva, Fernando; Margato, Elmano

doi:10.1109/icelmach.2008.4799861

Cited by 17 publications

(5 citation statements)

References 6 publications

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“…In [23], an FESS is intended to function as a dynamic voltage restorer to mitigate voltage sags. The PMSM is controlled through an ac-ac matrix converter using rotor FOC.…”

Section: B Permanent Magnet Machinesmentioning

confidence: 99%

“…A discrete-time model of the converter is used to predict the future values of input currents in all 27 possible output voltage vectors. The controller minimizes current error through a weighted cost function [23]. The state-space model of a PMSM is averaged to derive dc and small-signal ac models in both charging and discharging modes [24].…”

Section: B Permanent Magnet Machinesmentioning

confidence: 99%

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Energy Storage in Flywheels: An Overview

Awadallah

Venkatesh

2015

Can. J. Electr. Comput. Eng.

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In a deregulated power market with increasing penetration of distributed generators and renewable sources, energy storage becomes a necessity. Renewable energy sources are characterized by a fluctuating and intermittent nature, which simply means that energy may be available when it is not needed, and vice versa. Energy storage devices can help rectify the mismatch between generation and demand at any loading condition. Such devices can also provide some ancillary services, such as frequency regulation, voltage support, power quality improvement, transmission congestion relief, and system upgrade deferral. This paper presents an overview of the flywheel as a promising energy storage element. Electrical machines used with flywheels are surveyed along with their control techniques. Loss minimization and bearing system development are introduced. In addition, power system applications of flywheels are summarized. Finally, some outstanding technical difficulties are recommended for future research work.Résumé-Dans un marché d'énergie libéralisée avec une augmentation de la pénétration des générateurs distribués et des sources renouvelables, le stockage de l'énergie est devenu une nécessité. Les sources d'énergie renouvelables sont caractérisées par leur fluctuation et leur intermittence, ce qui signifie tout que l'énergie peut être disponible quand il n'est pas nécessaire, et vice versa. Les dispositifs de stockage d'énergie peuvent aider à remédier à l'inadéquation entre la production et la demande pour toute condition de chargement. Ces dispositifs peuvent aussi fournir quelques services annexes, comme la régulation de la fréquence, la régulation de tension, l'amélioration de la qualité de l'alimentation, l'allègement de la congestion de transmission, et le report des mises à niveau. Cet article présente un aperçu du volant comme un élément de stockage d'énergie prometteur. Les machines électriques utilisées avec des volants ainsi que leurs techniques de contrôle sont examinées. La minimisation des pertes et le développement du système de palier sont introduits. En plus, les applications du système d'alimentation de volants sont présentées brièvement. Enfin, quelques défis techniques demeurent en suspens pour les futurs travaux de recherche.

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“…In [23], an FESS is intended to function as a dynamic voltage restorer to mitigate voltage sags. The PMSM is controlled through an ac-ac matrix converter using rotor FOC.…”

Section: B Permanent Magnet Machinesmentioning

confidence: 99%

Section: B Permanent Magnet Machinesmentioning

confidence: 99%

Energy Storage in Flywheels: An Overview

Awadallah

Venkatesh

2015

Can. J. Electr. Comput. Eng.

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“…This limit can be exceeded, but with the cost of unwanted low frequency components in the input and output waveforms [45]. AC-AC converters are used with FESS in dynamic voltage restorer applications to mitigate voltage sags [48,49]. The choice of the matrix converter improves the reliability of the system and increases the power density [48].…”

Section: Power Electronicsmentioning

confidence: 99%

A Review of Flywheel Energy Storage System Technologies and Their Applications

2017

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Abstract:Energy storage systems (ESS) provide a means for improving the efficiency of electrical systems when there are imbalances between supply and demand. Additionally, they are a key element for improving the stability and quality of electrical networks. They add flexibility into the electrical system by mitigating the supply intermittency, recently made worse by an increased penetration of renewable generation. One energy storage technology now arousing great interest is the flywheel energy storage systems (FESS), since this technology can offer many advantages as an energy storage solution over the alternatives. Flywheels have attributes of a high cycle life, long operational life, high round-trip efficiency, high power density, low environmental impact, and can store megajoule (MJ) levels of energy with no upper limit when configured in banks. This paper presents a critical review of FESS in regards to its main components and applications, an approach not captured in earlier reviews. Additionally, earlier reviews do not include the most recent literature in this fast-moving field. A description of the flywheel structure and its main components is provided, and different types of electric machines, power electronics converter topologies, and bearing systems for use in flywheel storage systems are discussed. The main applications of FESS are explained and commercially available flywheel prototypes for each application are described. The paper concludes with recommendations for future research.

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“…Matrix converter output currents dynamic model Supposing a balanced three-phase inductive load, the first time derivative of the matrix converter output currents (i s1 , i s2 , i s3 ) in the αβ frame (Concordia transformation) can be defined by (9) (9) This dynamic equation will be used to predict the matrix converter output currents.…”

Section: Bmentioning

confidence: 99%

“…5) was designed and built to have a moment of inertia of 4.2kgm 2 and a maximum rotating speed of 2500 rpm [9]. A PMSM (2.9kW, 3000rpm) was selected as the electromechanical energy transfer device.…”

Section: A the Concept Of Flywheel Energy Storagementioning

confidence: 99%

Predictive optimal matrix converter control for a Dynamic Voltage Restorer with flywheel energy storage

Gâmboa

Silva²,

Pinto³

et al. 2009

2009 35th Annual Conference of IEEE Industrial Electronics

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This paper presents a predictive optimal matrix converter controller for a flywheel energy storage system used as Dynamic Voltage Restorer (DVR). The flywheel energy storage device is based on a steel seamless tube mounted as a vertical axis flywheel to store kinetic energy. The motor/generator is a Permanent Magnet Synchronous Machine driven by the AC-AC Matrix Converter. The matrix control method uses a discrete-time model of the converter system to predict the expected values of the input and output currents for all the 27 possible vectors generated by the matrix converter. An optimal controller minimizes control errors using a weighted cost functional. The flywheel and control process was tested as a DVR to mitigate voltage sags and swells. Simulation results show that the DVR is able to compensate the critical load voltage without delays, voltage undershoots or overshoots, overcoming the input/output coupling of matrix converters.

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A flywheel energy storage system with Matrix Converter controlled Permanent Magnet Synchronous Motor

Cited by 17 publications

References 6 publications

Energy Storage in Flywheels: An Overview

Energy Storage in Flywheels: An Overview

A Review of Flywheel Energy Storage System Technologies and Their Applications

Predictive optimal matrix converter control for a Dynamic Voltage Restorer with flywheel energy storage

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