energy storage trolleybus
CN109532501A
The invention discloses a kind of energy storage types to organize into groups trolleybus main circuit and control method more, wherein main circuit includes high-voltaghe compartment, high pressure positive bus-bar and high pressure negative busbar, it further include emergency charging/discharging socket, interlocking pantograph access switch …
Read MoreEnergy Storage Management in Support of Trolleybus Traction …
This paper presents an energy management strategy for a battery-based stationary energy storage system (BESS) capable of supporting the operation of …
Read MoreEnergy recovery effectiveness in trolleybus transport
There is a clear shortage of publications on stationary energy storage devices or on energy consumption reduction in light electrical vehicles (LEV) and urban transport systems. In Europe, tram and trolleybus transportation is still developing. Over the last decade, many new tram and trolleybus systems have been launched.
Read MoreSimulation-Based Comparisons of Mobile and Stationary Energy …
The most important feature of trolleybuses that are equipped with AC traction drive systems is the ability to generate electrical braking energy. Instead of dissipating in brake …
Read MoreElectric Energy Monitoring for Applying an Energy Storage …
Trolleybus Transport with Respect to Lower Electric Energy Consumption, Length of Power-supply Trolley Wire Units and to Requirements of Integrated Public Transport System.
Read MoreSimulation-Based Research of Mobile Energy Storage System …
The energy efficiency of electric public transport connected to the overhead DC contact line is significantly reflected in the ability to recover kinetic energy during braking mode in the form of electrical energy that can be stored in mobile energy storage systems for reuse during the next acceleration. However, the installation of a …
Read MoreCompensation of Voltage Drops in Trolleybus Supply System …
The article discusses two energy storage applications in power supply system of public electrified transport. The first application aims at reducing the peak power of the traction substation. The second application increases effectiveness of using solar power plant to cover partial power demand of traction supply system.
Read More[PDF] ENERGY MANAGEMENT STRATEGY BASED ON DYNAMIC …
Original scientific paper The dual source trolleybus of a new model with battery and super capacitor energy storage system was designed. The related parameters of dynamical system were designed on the basis of theory deduction, and the simulation model was re-developed in ADVISOR software. Based on the analysis of work modes of the dual …
Read MoreSimulation of Trolleybus Traction Induction Drive With
The article considers the possibilities of saving the regenerative braking energy in Skoda 24Tr type trolleybuses by installing the onboard supercapacitor energy storage system (ESS) and improving ...
Read MoreUtility analysis and rating of energy storages in trolleybus power ...
The article discusses two energy storage applications in power supply system of public electrified transport. The first application aims at reducing the peak power of the traction substation. The second application increases effectiveness of using solar power plant to cover partial power demand of traction supply system. These two applications …
Read MoreXcelsior® Trolley
Actual savings will depend on regional energy costs and charging methods. With off-wire capability, trolley-electric buses can help reduce the need for, dependence on, and maintenance of overhead urban infrastructure. Off-wire operation range of up to 22 miles. ... Energy Storage System.
Read MoreEnergy Saving Estimation of Athens Trolleybuses …
In addition, a hybrid energy storage system is proposed, in order to improve the energy efficiency of the regenerative braking scheme. ... Electric energy management in 8000-series of Athens trolleybuses. The energy flows strictly unidirectionally from the overhead power line to the trolleybus electric apparatus. DC/ …
Read MoreTROLLEY Project
Energy Storage Systems – Part 2 – Stationary energy storage systems for trolleybus systems as of September 2013 Prepared by: Barnim Bus Company mbH (external expert: Fraunhofer IVI) City of Gdynia (external expert: PKT Gdnyia) Status: Final Version Dissemination level: Public Document The TROLLEY project is implemented through the …
Read MoreKing County Metro Battery Electric Bus
Energy storage Lithium-titanate batteries, TerraVolt 331 volts, 105 kWh total energy Lithium-ion/FePO4 batteries, 630 volts, 11.6 kWh total energy None Lithium-ion/FePO4 batteries, 436 volts, 21 kWh total energy For this evaluation, data are being collected on a sample of ten buses from KCM''s diesel hybrid fleet and three buses from
Read MoreEnergy recovery effectiveness in trolleybus transport
Trolleybuses with on-board storage seem like a promising solution for transport grids: They harvest the braking energy and shave the acceleration power peaks at the source. This results in a ...
Read MoreEnergy recovery effectiveness in trolleybus transport
The aim is to determine potential energy savings in the power supply system of the trolleybus traction network. The use of a stationary supercapacitor energy …
Read MoreEnergy Saving Potential of a Battery-Assisted Fleet of Trolley Buses
The energy saving potential is identified via simulation of a realistic trolley bus line including the optimization of the energy management strategy. The problem is formulated as a convex optimal control problem. The results show that up to 20% of energy can be saved, compared to the case with conventional trolley buses only.
Read MoreOptimal battery sizing procedure for hybrid trolley-bus: A real …
A similar hybrid energy storage system is sized in Ref. [18] by means of a multi-objective optimization methodology, which minimizes the operation ... an energy storage system including battery and supercapacitor is sized in order to recovery the braking energy of a trolley-bus; the sizing approach takes into account the aging-related ...
Read MoreEnergy Saving Estimation of Athens Trolleybuses Considering
Athens trolleybuses are a particularly widespread electric vehicle for mass transportation in Greece. OSY S.A. owns 91 single buses and 51 articulated buses, covering 25 route-lines in Athens center [].The main traction motor of the 8000-series single trolleybuses under study is an asynchronous machine of 210 kW rated power; from the …
Read MoreEnergy recovery effectiveness in trolleybus transport
A high capacity energy storage device and the solar plant have been connected to every bus stop, to achieve the smooth performance of the smart public …
Read MoreImpact of a Stationary Energy Storage System in a DC Trolleybus …
In the context of urban transportation electrification, trolleybus systems can be modernized by using vehicles based on the so-called In-Motion-Charging (IMC) technology. The current required by IMC vehicles is higher than traditional trolleybuses because, in addition to traction, they must also absorb the current needed to recharge the batteries on board. …
Read MoreAn energy efficient urban transportation means
Fig. 3 shows the remodelled solo trolley bus for storage of braking energy in supercapacitors in the trolley bus city of Solingen. This system has 6 trolley bus lines in total and a power line network 100 km long. The supercapacitor equipment consists of a 700 V package with 288 supercapacitor elements with 2600 F each.
Read MoreMultiaspect measurement analysis of breaking energy recovery
The means of storing the recovered energy may be located in vehicles (on-board energy storage systems) or in tractions substations or in other places of supply network (off board energy storage systems). Fig. 4 shows the distribution of the recovered energy in a trolleybus supply system, in which energy storage is installed in a traction ...
Read MoreReport Trolley Systems 4 Smart Cities (Trolley 2.0 )
The trolley 2.0 project participation gave partners important insights in hybrid trolleybus technology, regarding scaling of the batteries, charging powers as well as composite bus technology. This will be useful for future extension of the trolleybus network without infrastructure development using battery trolleybuses.
Read MoreEnergy storage application in trolley-buses lines for a sustainable ...
In particular the energy storage application in power supplying system and on board the vehicles is deeply analyzed. To identify which of the two solutions involves in the highest …
Read MorePosition of the electric equipment within Trolley …
Download scientific diagram | Position of the electric equipment within Trolley bus 26Tr from publication: Advanced Power Converters for Energy Storage Systems for Light Traction Vehicles | The ...
Read More(PDF) Energy management strategy based on dynamic
The dual source trolleybus of a new model with battery and super capacitor energy storage system was designed. The related parameters of dynamical system were designed on the basis of theory ...
Read MoreEnergy Storage Management in Support of Trolleybus Traction …
This paper presents an energy management strategy for a battery-based stationary energy storage system (BESS) capable of supporting the operation of trolleybus power …
Read MoreReducing of energy consumption in public transport — Results of ...
This paper presents an energy management strategy for a battery-based stationary energy storage system (BESS) capable of supporting the operation of trolleybus power networks while adhering to the ...
Read MoreUtility analysis and rating of energy storages in trolleybus power ...
With the aim of reducing voltage drops in trolleybus networks even in case of high-power demands, the impacts of the inclusion of a mid-line stationary energy storage system to maintain a high ...
Read MoreCN204835584U
The utility model relates to an energy storage formula trolley bus electrical power generating system. The problem of current trolley bus electrical power generating system adopt traditional electric power, battery or hybrid, have the built on stilts net visual pollution in city, life is shorter, the life cycle internal environment is unfriendly is solved.
Read More(PDF) Electric Vehicle Charging with Multi-Port Converter based ...
A better integration of trolleybus grids with renewable sources, energy storage, and the existing electric network of the urban area is necessary to increase the efficiency of the system and ...
Read MoreEnergy savings by application of supercapacitor storage in trolleybus …
In 2011–2013, stationary supercapacitor storage developed by the Electrotechnical Institute in Warsaw was put into trial operation in the trolleybus substation "Polnocna" (North) located in Gdynia. The article presents the results recorded during supercapacitor storage operation and discusses the impact of the storage on energy consumption savings. …
Read MoreOptimal battery sizing procedure for hybrid trolley-bus: A real …
In Ref. [19], an energy storage system including battery and supercapacitor is sized in order to recovery the braking energy of a trolley-bus; the sizing approach takes into account the aging-related degradation. In Ref. [20] a backward quasi-static modeling approach estimates the battery size on hybrid trolleybuses.
Read MoreTrolleybus
A trolleybus (also known as trolley bus, trolley coach, trackless trolley, trackless tram – in the 1910s and 1920s [1] – or trolley [2] [3]) is an electric bus that draws power from dual overhead wires (generally suspended from roadside posts) using spring-loaded trolley poles. Two wires, and two trolley poles, are required to complete the ...
Read MoreEnergy storage systems to exploit regenerative braking in DC …
Thus, the need of energy storage devices is reduced since every time regenerative braking power is generated, there is one available load that can absorb it. ... Comparison between energy demands of the trolleybus and tram systems. Ingegneria Ferroviaria–CIFI, April 2014 (2018) Google Scholar
Read MoreComparative Modeling of Mobile Energy Storage System …
In part, this can be achieved through energy storage systems capable of storing braking energy that can be reused during the next acceleration. This paper compares the …
Read MoreTrolleybus with ESS motion simulation considering common mass increase ...
This paper presents the chosen trolleybus model Skoda 27Tr simulations both without and with supercapacitor energy storage system. Due to additional storage device weighs, trolleybus mass increase impact on drive energy consumption and transmission loss energy is studied. Optimal supercapacitor module amount for different circumstances is …
Read MoreEnergy recovery effectiveness in trolleybus transport
Energy storage devices, which allow the storage of recovered energy, are increasingly used. They include supercapacitors and flywheels. Today, a vast number of such storage devices are already applied in undergrounds, trams, and trolleybuses. ... The paper investigates the renewal of a hybrid trolley-bus, powered by a 600 V DC overhead ...
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