Solar energy grid integration systems - Energy storage (SEGIS-ES)

Ton, Dan; Peek, Georgianne H.; Hanley, Charles J.; Boyes, J.D.

doi:10.2172/1217673

Cited by 50 publications

(18 citation statements)

References 3 publications

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“…In more isolated suburban and rural areas where off-peak electricity consumption can vary widely, storage systems could be used to store excess energy generated during these off-peak consumption hours that could be used to power the MPRT system at off-peak generation periods. Several viable, large-scale battery technologies are available to perform this energy storage function, a topic on which the Sandia National Laboratories has prepared an extensive report (14). Using current technologies, sodium-sulfur, pumped hydro, and vanadium redox chemistries would make the most sense in a renewable utility grid support capacity.…”

Section: Mprt Energy Storage Integrationmentioning

confidence: 99%

Renewable Energy Use Advantages of Maglev-Based Personal Rapid Transit

Baertsch

Dunnmon

2010

Transportation Research Record: Journal of the Transportation R

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ative that the system move at highway speeds. It is very difficult to achieve this goal with wheeled PRT systems because of their small wheel size and associated frictional losses. The transformational power of MPRT technology results from its unique combination of PRT architecture with ultra energy-efficient, low-cost, passive maglev-based linear synchronous motor (LSM) powertrain.One of the greatest advantages of an MPRT system is its ability to adapt to any given transportation environment. MPRT vehicles can, for instance, run at speeds as low as 20 to 30 mph (32-48 km/h) in airports and business districts, yet move at speeds of up to 150 mph (241 km/h) between cities. This adaptability makes MPRT time competitive with air travel at distances of up to 500 mi (805 km) by avoiding time-consuming airport security and runway delays (1). A single guideway using three-passenger vehicles at 1 ⁄2-s headways, moreover, has the potential to carry 21,600 passengers per h, more than a fourlane freeway. Widespread implementation with this spectrum of benefits could represent a transformational advance in the transportation paradigm, compared with conventional automobile and public transit capabilities. In essence, MPRT takes intelligent transportation systemautomated highway system scenarios involving fully automated automobiles to their logical conclusion by autonomously providing point-to-point transportation for both passengers and freight. By avoiding mixing legacy vehicles with automated transport, MPRT overcomes hurdles that have limited adoption of automated highways.MPRT, then, is essentially an electric-powered transportation system that borrows from the architecture of the automobile in the sense that private, high-speed, point-to-point transport is possible using a traffic plan similar to that of the freeway. With the twin problems of climate change and peak oil usage looming, it is imperative to speed the transition to renewably powered ground transportation. Plug-in hybrid vehicles (PHEVs) and electric-powered mass transit might achieve this goal, but each has problems that have slowed implementation. Battery technology presents a significant hurdle for mass production of PHEVs in both technological and economic terms. According to the U.S. Advanced Battery Consortium, for instance, current state-of-the-art PHEV-type batteries cost four to five times more than required for commercialization (2). Although mass transit is limited by human factors and high cost, MPRT offers the promise of renewable-powered transport, without the delays and fixed schedule of mass transit. This frees the passenger from traffic congestion and downtime behind the wheel of an automobile. Given historical growth in vehicle miles traveled (VMT) of 1.7% from 1.1 trillion in 1970 to more than 3 trillion in 2008 (3), the United States is facing a need to constantly widen highways. Although PRT was first developed in the 1970s, it never achieved widespread adoption because of an abundance of inexpensive petroleum and a distinct lack of the...

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Section: Mprt Energy Storage Integrationmentioning

confidence: 99%

Renewable Energy Use Advantages of Maglev-Based Personal Rapid Transit

Baertsch

Dunnmon

2010

Transportation Research Record: Journal of the Transportation R

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“…Technologies best suited to power applicationss include certain types of batteries, flywheels, superconducting magnetic energy storage (SMES), electrochemical capacitors and super capacitors [19]. A new type of hybrid device, the lead-carbon asymmetric capacitor, is currently being developed and is showing promise as a device that might be able to serve both energy applications and power applications in one package [56]. Figure 3 shows the storage classification with respect to function.…”

Section: The Role Of Energy Storage In Mini-grid Stabilizationmentioning

confidence: 99%

“…However the minimum module size is 50 kW, and it is not possible at the moment to use only one isolated module because of its thermal needs. Thus, the commercial power range is in the order of 1 MW [56]. Nevertheless, as the response time is in the range of milliseconds and NaS batteries meet the requirements for mini-grid stabilization, this technology could be very interesting for mini-grids if future research results in systems sized to the needs of PV mini-grids [44,47].…”

Section: Sodium Sulphur Batteriesmentioning

confidence: 99%

“…The sodium-nickel-chloride (NaNiCl) battery, better known as the ZEBRA battery, has been developed by Zebra Technologies in Europe for transport applications, and is currently being considered for some stationary applications, such as peak shaving, in the USA [56]. It is a high temperature (around 300 • C) system that uses nickel-chloride as its positive electrode and has the ability to operate in a broad temperature range (-40 • C to +70 • C) without cooling.…”

Section: Sodium-nickel-chloride Batteriesmentioning

confidence: 99%

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International Energy Agency

Colgan¹

2009

Choice Reviews Online

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“…Solar energy has highest potential among renewable energy resources to replace conventional energy resources [2]. Availability of solar energy at a particular region depends on the time of the day, geographic location and weather conditions.…”

Section: Introductionmentioning

confidence: 99%

Solar PV Integrated World Super Grid (WSG): Possibilities, Implementation Issues and Impacts

Gehlot¹,

Pardikar²,

Dasila³

et al. 2015

JOCET

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Abstract-Solar radiation falling on earth is far more than energy demand of the world, but because of issues related to storage and economics, it is not possible to rely on it, when it comes to fulfill huge electricity demands at national level. A world super grid, connecting all the continents is reported, which is expected to avoid this need of energy storage, while powering the whole world throughout the day by transmitting excess electricity. Feasibility of such grid is determined by matching supply and demand of a particular region. World super grid will be powered by solar photovoltaic panels installed all over the world to facilitate the utilization of solar insolation. At any point of time, Sun shining area will supply electricity to that area itself along with other parts, which are in dark. Electricity demands of regions are analyzed and switching between supplying and demanding regions is modelled according to motion of the sun throughout the day. Several positive impacts of the grid such as environmental, economic and international relations are evaluated. Country preference for such grid is another key issue. Grid preference index is proposed in order to classify countries according to their preference for this grid, considering various factors such as its land area, geographical position and energy security. Policies at national and international level are recommended for smooth implementation of the grid. Elements of this analysis, which can be investigated further to make this rudimentary model more sophisticated are discussed.

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Solar energy grid integration systems - Energy storage (SEGIS-ES)

Cited by 50 publications

References 3 publications

Renewable Energy Use Advantages of Maglev-Based Personal Rapid Transit

Renewable Energy Use Advantages of Maglev-Based Personal Rapid Transit

International Energy Agency

Solar PV Integrated World Super Grid (WSG): Possibilities, Implementation Issues and Impacts

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