Review of Application of Energy Storage Devices in Railway Transportation

Ghaviha, Nima; Campillo, Javier; Bohlin, Markus; Dahlquist, Erik

doi:10.1016/j.egypro.2017.03.980

Cited by 119 publications

(71 citation statements)

References 42 publications

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“…Energy-efficient catenary-free operation of EMUs with lithium-ion batteries differs from the case where a supercapacitor or an EDLC is used, as the dynamic behavior of capacitors is different from lithium-ion batteries [41]. In the literature, there is no consideration of dynamic battery characteristics for the problem of speed profile optimization.…”

Section: Related Work and Contributionsmentioning

confidence: 99%

Speed profile optimization of catenary-free electric trains with lithium-ion batteries

et al. 2019

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Catenary-free operated electric trains, as one of the recent technologies in railway transportation, has opened a new field of research: speed profile optimization and energy optimal operation of catenary-free operated electric trains. A well-formulated solution for this problem should consider the characteristics of the energy storage device using validated models and methods. This paper discusses the consideration of the lithium-ion battery behavior in the problem of speed profile optimization of catenary-free operated electric trains. We combine the single mass point train model with an electrical battery model and apply a dynamic programming approach to minimize the charge taken from the battery during the catenary-free operation. The models and the method are validated and evaluated against experimental data gathered from the test runs of an actual battery-driven train tested in Essex, UK. The results show a significant potential in energy saving. Moreover, we show that the optimum speed profiles generated using our approach consume less charge from the battery compared to the previous approaches.

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Section: Related Work and Contributionsmentioning

confidence: 99%

Speed profile optimization of catenary-free electric trains with lithium-ion batteries

et al. 2019

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“…Ghaviha et al [10] presents the application of energy storage devices used in railway systems for increasing the effectiveness of regenerative brakes. A comparative study of two hybrid energy storage systems of a two-front wheel-driven electric vehicle is presented in [11].…”

Section: Introductionmentioning

confidence: 99%

Optimal Energy Management of Railroad Electrical Systems with Renewable Energy and Energy Storage Systems

Park

Salkuti

2019

Sustainability

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The proposed optimal energy management system balances the energy flows among the energy consumption by accelerating trains, energy production from decelerating trains, energy from wind and solar photovoltaic (PV) energy systems, energy storage systems, and the energy exchange with a traditional electrical grid. In this paper, an AC optimal power flow (AC-OPF) problem is formulated by optimizing the total cost of operation of a railroad electrical system. The railroad system considered in this paper is composed of renewable energy resources such as wind and solar PV systems, regenerative braking capabilities, and hybrid energy storage systems. The hybrid energy storage systems include storage batteries and supercapacitors. The uncertainties associated with wind and solar PV powers are handled using probability distribution functions. The proposed optimization problem is solved using the differential evolution algorithm (DEA). The simulation results show the suitability and effectiveness of proposed approach.

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“…A few decades ago, inverters were introduced into DC traction power supply system to recover the regenerative braking energy [6][7][8]. Compared to energy storage equipment [9][10][11], inverters show considerable advantages in cost, reliability and installing space, so have been paid more and more attention [12][13][14]. However, inverters installed in the substations do not work all the time.…”

Section: Introductionmentioning

confidence: 99%

A Novel Hybrid DC Traction Power Supply System Integrating PV and Reversible Converters

Zhang

Tian

et al. 2018

Energies

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A novel hybrid traction power supply system (HTPSS) integrating PV and reversible converter (RC) is proposed. PV is introduced to reduce the energy cost and increase the reliability of power systems. A reversible converter can achieve multiple objectives including regenerative braking energy recovery, PV energy inverting, DC voltage regulation and power factor improvement. In this paper, the topology and operating modes of the HTPSS are first introduced. Three-level boost converter (TLBC) is employed in the PV system. A double closed-loop control scheme considering both maximum power point tracking (MPPT) and midpoint potential balancing (MPB) is recommended. The reversible converter adopts a multi-modular topology and the independent control for active power and reactive power has been achieved by a current decoupling control. According to the working characteristic of each device, a coordinated control strategy is designed, and four basic principles are given. A system simulation model containing a hybrid traction substation and a train was built, and comprehensive simulations under multi-scenario were carried out. The results show that the reversible converter can accomplish PV energy inversion, DC voltage regulation, regenerative braking energy recovery and power factor improvement, by which a high utilization rate and energy-saving effect can be obtained.Energies 2018, 11, 1661 2 of 24 train runs between two substations, the braking time is only 10-15 s under normal circumstances. The relatively low utilization rate, in addition to the single function (just inverting), result in a long investment payback period. It is becoming the main obstacle for the massive application of inverters.Urban rail transit is becoming a big energy consumer and has significant impacts on energy consumption at a regional scale [15]. It turns out to be more and more urgent to reduce system energy consumption through all possible means. As a clean energy, photovoltaic has had rapid development all over the world recently, and the installed capacity has been increasing year by year [16,17]. Large-scale PV plants are mainly located in the desert regions due to the high solar irradiance and vast area, but the output power is usually constrained by the transmission capacity of the grid [18]. Future development will focus on the distributed PV system, which is located as close to the user as possible [19]. Railway companies have much potential to introduce PV system around railway premises, such as the roof of platforms, substations, vehicle depots, sound walls and other buildings or openings along the line [20]. It is reported that the PV system installed on platform roof of Tokyo station generates 340 MWh electric energy annually [20]. The possibility of introducing PV technologies into traction power supply system is discussed in [21], but solar energy is just used for air conditioning and lighting. In [22], a grid-connected PV system is introduced in TPSS. However, it is not an optimal scheme for the transmission and distribution of...

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Review of Application of Energy Storage Devices in Railway Transportation

Cited by 119 publications

References 42 publications

Speed profile optimization of catenary-free electric trains with lithium-ion batteries

Speed profile optimization of catenary-free electric trains with lithium-ion batteries

Optimal Energy Management of Railroad Electrical Systems with Renewable Energy and Energy Storage Systems

A Novel Hybrid DC Traction Power Supply System Integrating PV and Reversible Converters

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