Control of a High-Speed Flywheel System for Energy Storage in Space Applications

Kenny, Barbara H.; Kascak, Peter; Jansen, Ralph; Dever, Timothy P.; Santiago, Walter

doi:10.1109/tia.2005.851021

Cited by 81 publications

(36 citation statements)

References 12 publications

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“…A comparative analysis of energy storage technologies for high power applications is carried out in [15] and a survey of FESS for power system applications is provided in [16]. The control of high speed FESS in space applications is discussed in [17]. FESS is briefly reviewed in [18] and an overview of some previous projects is presented in [9]; however, such sources offer a scarcity of information.…”

Section: Introductionmentioning

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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Section: Introductionmentioning

confidence: 99%

A Review of Flywheel Energy Storage System Technologies and Their Applications

2017

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“…As for power system applications, the FES can be used for power regulation between utilities in the power grid [12][13][14][15][16]. For space applications, the FES can supply energy storage with the smallest mass and also can be used for attitude control for guidance of the craft [17][18][19]. For UPS applications, the FES system can serve as an UPS to supply energy for vital loads, such as hospitals, central computer rooms, government agencies, etc.…”

Section: Introductionmentioning

confidence: 99%

“…As shown in Figure 1a, a FES system mainly consists of four parts: flywheel, motor/generator, power electronic converter and controller [15,17]. The flywheel is coaxially connected with the shaft of the motor/generator.…”

Section: Introductionmentioning

confidence: 99%

Research on the Torque and Back EMF Performance of a High Speed PMSM Used for Flywheel Energy Storage

Zhao

et al. 2015

Energies

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Abstract:Due to advantages such as high energy density, high power density, rapid charge and discharge, high cyclic-life, and environmentally friendly, flywheel energy storage systems (FESs) are widely used in various fields. However, the performance of FES systems depends on the performance of a high speed machine, therefore, the design and optimization of a high efficiency and high power density machine are very crucial to improve the performance of the whole FES system. In this paper, a high speed permanent-magnet synchronous machine (PMSM) is researched. Considering the requirement of low torque ripple in low speed and loss caused by back electromotive force (EMF) harmonics, the electromagnetic performance is improved from points of view of slot/pole matching, magnetic-pole embrace with the finite element method (FEM). Furthermore, the magnetic-pole eccentricity, the slot opening, the thickness of PM and air-gap length are also optimized with Taguchi method. The electromagnetic performance, such as torque ripple, cogging torque, average torque and back EMF wave are much improved after optimization. Finally, experiments are carried out to verify the calculated results.

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“…Flywheel systems have been designed and produced in this center for the International Space Station. The flywheel was designed for 60,000 rpm, with a storage capacity of 364 Wh [1]. The mechanical losses of the system were minimized using active magnetic bearings for suspension.…”

Section: Introductionmentioning

confidence: 99%

A control algorithm for a simple flywheel energy storage system to be used in space applications

Aydin¹,

Aydemir²

2013

Turk J Elec Eng & Comp Sci

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Flywheels have been under consideration to be used for energy storage purposes in space applications to replace electrochemical batteries. An electrical machine is used as a motor to store kinetic energy when the solar energy is available, and then the stored energy is converted back to electrical energy by running the machine as a generator when the solar energy is no longer available. A control algorithm for these systems is proposed in this paper. The proposed method uses a current reference rather than a speed reference in the motor mode. A method is also suggested to properly determine the current reference to overcome the losses and to create constant acceleration. The proposed algorithm is tested on an experimental set-up and the results are given.

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Control of a High-Speed Flywheel System for Energy Storage in Space Applications

Cited by 81 publications

References 12 publications

A Review of Flywheel Energy Storage System Technologies and Their Applications

A Review of Flywheel Energy Storage System Technologies and Their Applications

Research on the Torque and Back EMF Performance of a High Speed PMSM Used for Flywheel Energy Storage

A control algorithm for a simple flywheel energy storage system to be used in space applications

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