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The storage system is based on a 14 kW fuel cell stack and Li-ion batteries with rated energy of 160 kWh, powering four traction motors for a total of around 190 kW. Each vehicle can store up to 4 kg of
The energy storage system of a locomotive is required to be operated under certain control modes [11], [18], [22], [26]. In this study we assume that a combined control strategy can be used based on algorithms for railway applications provided in [11] as Control Strategies 1–3.
A fuel economy close to 25% was reached. In [8], the authors considered replacing one of three diesel-electric locomotives used in a heavy haul train, with a storage system based on flywheels. The
The French National Railways Company (SNCF) is interested in the design of a hybrid locomotive based on various storage devices (accumulator, flywheel, and ultracapacitor) and fed by a diesel
The energy is used by the traction system, as well as the auxiliaries. When the train is braking, the traction motor becomes a generator, producing electric energy. This energy is stored in the batteries, used by the auxiliaries or sent back to the catenary.
Configuration design and power flow analysis. As stated, in this study, a hybrid-electric system configuration is designed to ensure the efficient and energy-saving operation of non-electrified railway locomotives. Fig. 1 (a) presents the designed configuration, wherein the locomotive accessory, AUX, is electrically connected to a
In [[2], [3], [4]], it is shown that the hybridization of PEMFC with some energy storage systems (ESS) is essential to alleviate some of these technical drawbacks. The hybridization of PEMFC with ESS also improves the dynamic response of the system, reduces the fuel consumption etc. Different types of batteries and/or ultra-capacitor are
When the silicon carbide (SiC) power module is applied to the energy storage converter of a hybrid locomotive, under the action of di/dt and loop stray inductance, it is easy to produce
Many researchers in the world have put a lot of attention on the application of energy storage in railway and achieved fruitful results. According to the latest
This Exploratory Topic seeks to develop a set of publicly available planning tools for identification, evaluation, and prioritization of energy storage-related technology developments whose deployment would significantly reduce GHG emissions from the rail freight sector. Projects will be informed by, and consistent with, the economic and
The method of improving a two-section mainline diesel locomotive by using energy storage in the traction system is considered. A mathematical model was developed to study the movement of a diesel locomotive based on the recommendations and provisions of the theory of locomotive traction. For this purpose, the movement of a
Abstract: The braking energy in diesel-electric locomotives is typically wasted into resistors. A more energy-efficient way is to store and recycle such energy.
An energy storage car for a locomotive includes a hydraulic energy storage system designed to capture and reuse energy normally lost in dynamic braking. The energy storage car is preferably configured to provide functions sufficient to replace one of multiple locomotives used to pull a freight train.
In this paper, a multi-port system is proposed to recover the braking energy in a diesel-electric locomotive, using it to recharge a battery-supercapacitor based Energy Storage System (ESS) and to supply the locomotive auxiliary loads. To manage the system power flow, a single DC bus voltage controller generates current references for each converter.
Operation modes of rolling stock at mining enterprises are considered and analyzed. The justification of the need to replace it with a modern specialized electric locomotive for quarry railway transport, equipped with an asynchronous traction electric drive and an on-board energy storage system, is presented. The determination of the
An energetic model of a diesel-electric locomotive is established using energetic macroscopic representation (EMR), and a battery/supercapacitor ESS is added in simulation to study the benefit of hybridization before integration on the real vehicle. This paper studies the influence of an energy storage system (ESS) on the fuel consumption
Schemes of energy exchange in locomotive traction electric drive and auxiliary systems: a) – traction mode when movement on the site for the 1 st Scenario; b) – traction mode when movement on the site for the 2 nd Scenario; c) – traction mode when driving on the site for the 3 rd Scenario; d) – traction mode when maneuvering; e) –
Sizing and Energy Management of a Hybrid Locomotive Based on Flywheel and Accumulators. Article. Nov 2009. Amine Jaafar. Cossi Rockys Akli. Bruno Sareni. Alain Jeunesse. Download Citation | On Oct
storage system, comprising Li-ion batteries and supercapaci tors, to recover braking energy in heavy diesel-electric loco- motives, which include both freight and passenger
Three scenarios of energy consumption in the power supply of traction electric drive and auxiliary locomotive systems using on-board energy storage system (OESS) are considered.
Mathematical models of the train, driving cycle and flywheel energy storage system are developed. These models are used to study the energy consumption and the operating cost of a light rail transit train with and without flywheel energy storage. Results suggest that maximum energy savings of 31% can be achieved using a flywheel
A more energy-efficient way is to store and recycle such energy. Thus, this paper proposes a multiport power conversion system as the core of a hybrid energy storage system (HESS),
E. Elbouchikhi Y. Amirat G. Feld M. Benbouzid Zhibin Zhou. Engineering, Environmental Science. Energies. 2020. TLDR. In this paper, a grid-tied flywheel-based energy storage system (FESS) for domestic application is investigated with special focus on the associated power electronics control and energy management.
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This paper propose to explore usage of Hardware-In-the-Loop simulation during development phase of hybrid railway locomotive. Nowadays, new studies are made on-line on a real
With the widespread utilization of energy-saving technologies such as regenerative braking techniques, and in support of the full electrification of railway
Li et al. (2016) carried out hybrid energy storage system optimization and developed an EMS using PMP for fuel cell/supercapacitor HEVs targeted at reducing hydrogen consumption, the SoC of
Hybrid train. A hybrid train is a locomotive, railcar or train that uses an onboard rechargeable energy storage system (RESS), placed between the power source (often a diesel engine prime mover) and the traction transmission system connected to the wheels. Since most diesel locomotives are diesel-electric, they have all the components of a
energy storage system, hybrid propulsion system is widely to solve this problem [5]. Due to the large-scale and long-distance demands of locomotive working charac- teristics, diesel-electric hybrid propulsion system (HPS) is
A hybrid energy locomotive system having an energy storage and regeneration system. In one form, the system can be retrofitted into existing locomotives, or installed as original equipment. The energy storage and regeneration system captures dynamic braking
An energy storage car for a locomotive includes a hydraulic energy storage system designed to capture and reuse energy normally lost in dynamic braking The energy storage car is preferably configured to provide functions sufficient to replace one of multiple
PDF | Often, available power from an in-vehicle energy storage system is governed by thermal [29], with prototypes of battery electric switcher locomotives having been recently introduced as
Hybrid electric propulsion, using batteries for energy storage, is making significant inroads into railway transportation because of its potential for notable fuel savings and the related reductions in
The US freight Class 1 rail system is a critical component of the vast transportation sector, responsible for the movement of a significant amount of freight throughout the country. New propulsion and energy storage (ES systems) technologies, as well as the charging/fueling infrastructure, must be developed and deployed if full decarbonization of fleet GHG
A two-layer energy management strategy based on fuzzy control for high-speed railway hybrid energy storage system is proposed. • Discharge threshold can be
Despite being widely used, diesel-electric locomotives generally do not have a system capable of regenerating or storing braking energy, which is dissipated in resistor banks. This waste
An extra-urban drive cycle has been carried out at University of Lille 1, in France, on and around campus. The measurements are recorded by the on-board acquisition system: battery voltage u dc
Capacitor power storage systems allow locomotives to produce more power than the rated onboard power system output and regenerate the excessive energy in braking modes. This usage of capacitor storage systems shall significantly reduce the operating time of the diesel generator unit during transient modes, improve its fuel
A novel design for heavy haul locomotive equipped with a flywheel energy storage system is proposed. •. The integrated intelligent traction control system was
The braking energy in diesel-electric locomotives is typically wasted into resistors. A more energy-efficient way is to store and recycle such energy. Thus, this article proposes a multiport power conversion system as the core of a hybrid energy storage system, based on Lithium-ion (Li-ion) batteries and supercapacitors (SCs). In such configuration, SCs
3 Power System Design. By comparing the operating conditions and related data of the internal combustion shunting locomotives of Dongfeng series, the power system of the 3000 hp diesel- electric hybrid shunting locomotive is configured. Diesel generator sets Converter Inverter Traction motor Onboard energy storage system DC/DC converter
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