Energy Storage Technologies: The Past and the Present

Boicea, Valentin A.

doi:10.1109/jproc.2014.2359545

Cited by 319 publications

(170 citation statements)

References 13 publications

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“…Similarly, the capability of flywheels to switch from full output to full absorption in seconds, puts them on a par with the immediate energy produced by gas fired power plants. Flywheel energy storage systems can deliver twice as much frequency regulation for each megawatt of power that they produce, while cutting carbon emissions in half [68,71]. The earliest, but shortest lifespan of a flywheel system reported for frequency regulation using renewables, was installed in Shimane, Japan, in 2003.…”

Section: Frequency Regulationmentioning

confidence: 99%

“…This will save the battery from frequent charge-discharge, which will further increase its lifetime [12]. Usually, flywheels and batteries are combined for applications requiring a mix and match between energy density and cost, which cannot be otherwise achieved with one of these storage systems [71]. Many manufacturers around the world have developed flywheel systems for UPS.…”

Section: Upsmentioning

confidence: 99%

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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: Frequency Regulationmentioning

confidence: 99%

Section: Upsmentioning

confidence: 99%

A Review of Flywheel Energy Storage System Technologies and Their Applications

2017

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“…The energy cost can be greatly reduced, provided the HESS can be operated optimally. Moreover, storage technology has improved very quickly in recent years, specifically, smaller and lighter physical footprints and reduced cost [35], making them more practical in the domestic context. However, with the addition of a storage system, the energy systems' complexity is greatly increased.…”

Section: Hess Control Rulementioning

confidence: 99%

Rule Based Coordinated Control of Domestic Combined Micro-CHP and Energy Storage System for Optimal Daily Cost

et al. 2017

Applied Sciences

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This paper presents a novel control algorithm for optimising operational costs of a combined domestic micro-CHP (combined heat and power), battery and heat storage system. Using a minute by minute basic time-step, this work proposes a simple and computationally efficient rule based whole-system management, developed from empirical study of realistic simulated domestic electricity and heat loads. The CHP availability is considered in two binary states which, together with leveraging storage effectively, maximises CHP efficiency, and gives the algorithm increased real world feasibility. In addition, a novel application of a dual battery system is proposed to support the micro-CHP with each battery supplying just one of the distinctive morning and evening electrical load peaks, and thus inherently improving overall battery system lifetime. A case study is presented where the algorithm is shown to yield approximately 23% energy cost savings above the base case, almost 3% higher savings than that of the closest previous work, and 96.8% of the theoretical minimum cost. In general, the algorithm is shown to always yield better than 88% of the theoretical minimum cost, a ratio that will be considerably higher when real-world CHP limitations are factored into the theoretical minimum calculation.

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“…These two categories have their own advantages and disadvantages, involving energy-storage density, lifetime, discharging, leakage, size and so on [10]. Since the supercapacitors have significantly lower power density and higher leakage overhead than rechargeable batteries [11], which makes them impractical for small-package WSN nodes, we employ an energy-harvesting system using a lithium battery as the storage.…”

Section: Introductionmentioning

confidence: 99%

An intelligent solar energy-harvesting system for wireless sensor networks

Yin

Shi

2015

J Wireless Com Network

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An intelligent solar energy-harvesting system for supplying a long term and stable power is proposed. The system is comprised of a solar panel, a lithium battery, and a control circuit. Hardware, instead of software, is used for charge management of the lithium battery, which improves the reliability and stability of the system. It prefers to use the solar energy whenever the sunshine is sufficient, and the lithium battery is a complementary power supply for conditions, such as overcast, rain, and night. The system adapts a maximum power point tracking (MPPT) circuit to take full advantage of solar energy, and it ensures the lithium battery an extremely long life with an appropriate charging method, which shortens the frequency of the battery charge-discharge cycle. This system can be implemented with small power equipment which is especially suitable for outdoor-based wireless sensor nodes in the Internet of Things (IOT).

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Energy Storage Technologies: The Past and the Present

Cited by 319 publications

References 13 publications

A Review of Flywheel Energy Storage System Technologies and Their Applications

A Review of Flywheel Energy Storage System Technologies and Their Applications

Rule Based Coordinated Control of Domestic Combined Micro-CHP and Energy Storage System for Optimal Daily Cost

An intelligent solar energy-harvesting system for wireless sensor networks

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