Coordination of a Flywheel Energy Storage Matrix System: An External Model Approach

Liu, Haiming; Gao, Huanli; Guo, Shouwu; Cai, He

doi:10.1109/access.2021.3061743

Cited by 8 publications

(13 citation statements)

References 21 publications

(45 reference statements)

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“…[7][8][9] Many authors have described various kinds of ESSs such as battery ESS (BESS), 10 compressed air ESS (CAESS), 11 supercapacitor ESS (SCESS), 12 thermal ESS (TESS), 13 superconducting magnetic ESS (SMESS), 14,15 hydrogen ESS (HESS), 16 pumped hydro ESS (PHESS), 17 and flywheel ESS (FESS). [18][19][20] A comparative study of different ESSs and their advantages and disadvantages are presented in Table 1.…”

Section: Introductionmentioning

confidence: 99%

“…Currently, ESSs plays a significant role in the electrical network by storing electrical energy, converting it into various forms, and supplying it whenever necessary, in the form of electricity 7‐9 . Many authors have described various kinds of ESSs such as battery ESS (BESS), 10 compressed air ESS (CAESS), 11 supercapacitor ESS (SCESS), 12 thermal ESS (TESS), 13 superconducting magnetic ESS (SMESS), 14,15 hydrogen ESS (HESS), 16 pumped hydro ESS (PHESS), 17 and flywheel ESS (FESS) 18‐20 . A comparative study of different ESSs and their advantages and disadvantages are presented in Table 1.…”

Section: Introductionmentioning

confidence: 99%

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Flywheel energy storage systems: A critical review on technologies, applications, and future prospects

Choudhury

2021

Int Trans Electr Energ Syst

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Energy storage systems (ESSs) are the technologies that have driven our society to an extent where the management of the electrical network is easily feasible. The balance in supply-demand, stability, voltage and frequency lag control, and improvement in power quality are the significant attributes that fascinate the world toward the ESS technology. However, being one of the oldest ESS, the flywheel ESS (FESS) has acquired the tendency to raise itself among others being eco-friendly and storing energy up to megajoule (MJ). Along with these, FESS also surpasses the quality of high power density, longer life cycle, higher rate of charge and discharge cycle, and greater efficiency. In this article, an overview of the FESS has been discussed concerning its background theory, structure with its associated components, characteristics, applications, cost model, control approach, stability

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Flywheel energy storage systems: A critical review on technologies, applications, and future prospects

Choudhury

2021

Int Trans Electr Energ Syst

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“…A novel dual-channel bearingless switched reluctance motor (DCBSRM) is proposed in this paper, which exhibits the following advantages: (1) The coupling between electromagnetic torque and radial force can be weakened due to the dual-phase-conduction strategy; (2) The radial load capacity can be enhanced and the radial suspension performance can be improved for the widened rotor poles; (3) The fault tolerance can be raised by dual-channel operation; (4) The integration of motor is raised. The advantages mentioned above are analyzed and verified in the succeeding sections.…”

Section: Introductionmentioning

confidence: 99%

A Novel Dual-Channel Bearingless Switched Reluctance Motor

Zhou¹,

Jiang

et al. 2021

IEEE Access

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Bearingless switched reluctance motor (BSRM) has the advantages of high integration and low loss, and is especially suitable for flywheel batteries. In order to enhance the reliability and fault tolerance ability of BSRM, a novel dual-channel BSRM is proposed in this paper. This motor has the combined merits of switched reluctance motor and magnetic bearing, and can realize dual-channel faulttolerant operation. The scalloped rotor poles are evenly distributed on the inner and outer walls of the rotor. All rotor poles are specially widened, which is benefit for raising the continuity of radial suspension force. Through the dual-phase-conduction decoupling control rules, the electromagnetic torque and suspension force can be generated simultaneously without serious coupling problem. The basic topology, operation principle, control method, and electromagnetic characteristics are analyzed. Field-circuit coupling joint simulation results of Simplorer and Maxwell confirm the feasibility of the proposed novel motor and the validity of decoupling control method.

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“…Nevertheless, Zhang et al (2022) does not consider the specific dynamics of the flywheel systems. In contrast, Liu et al (2021) studied the dual objective coordination of FESMS taking into consideration the detailed flywheel dynamics, where it is revealed that the dual control objective can be achieved if and only if the SOE of each flywheel converges to a common SOE generator, which was shown to be a nonautonomous dynamic system with the reference command for the entire FESMS as the external input. By explicitly implementing this nonautonomous dynamic system as an external model, the coordination problem for the FESMS was solved in Liu et al (2021) by a distributed control approach.…”

mentioning

confidence: 99%

“…In contrast, Liu et al (2021) studied the dual objective coordination of FESMS taking into consideration the detailed flywheel dynamics, where it is revealed that the dual control objective can be achieved if and only if the SOE of each flywheel converges to a common SOE generator, which was shown to be a nonautonomous dynamic system with the reference command for the entire FESMS as the external input. By explicitly implementing this nonautonomous dynamic system as an external model, the coordination problem for the FESMS was solved in Liu et al (2021) by a distributed control approach. However, a drawback of this control approach lies in that the implementation of the external model depends on the system parameters of all the flywheel systems, which are global system information.…”

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confidence: 99%

Asymptotic internal model based coordination of a flywheel energy storage matrix system

Cai

2022

Front. Energy Res.

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This paper considers a dual objective distributed coordination problem for a flywheel energy storage matrix system. On one hand, the power output of the entire flywheel energy storage matrix system should track its reference command, which is generated by a linear command generator. On the other hand, the state-of-energy of all the flywheels should be balanced. In contrast to the existing result which employed a common state-of-energy generator as the external model by making use of global system information. By taking advantage of average consensus algorithms, a novel asymptotic internal model based control method is proposed in this paper which eliminates the need of the external model. It is proven that the steady-state of the asymptotic internal model turns out to be a common state-of-energy generator for all the flywheels under the composite average consensus algorithms, which lends itself to the solution to the dual objective distributed coordination problem. Comprehensive case studies in different scenarios are conducted to examine the performance of the proposed control method.

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Coordination of a Flywheel Energy Storage Matrix System: An External Model Approach

Cited by 8 publications

References 21 publications

Flywheel energy storage systems: A critical review on technologies, applications, and future prospects

Flywheel energy storage systems: A critical review on technologies, applications, and future prospects

A Novel Dual-Channel Bearingless Switched Reluctance Motor

Asymptotic internal model based coordination of a flywheel energy storage matrix system

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