Energy recovery effectiveness in trolleybus transport

Hamacek, Stefan; Bartłomiejczyk, Mikołaj; Hrbáč, Roman; Mišák, Stanislav; Stýskala, Vítězslav

doi:10.1016/j.epsr.2014.03.001

Cited by 57 publications

(34 citation statements)

References 9 publications

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“…The possibility to work in reverse mode, as generators of electric energy, is a characteristic feature of electric motors [3][4][5][6]. It allows to change kinetic energy of a vehicle into electric energy, which can then be returned to the traction supply system and consumed by other vehicles.…”

Section: Bilateral Supply Systemmentioning

confidence: 99%

Bilateral power supply of the traction network as a first stage of Smart Grid technology implementation in electric traction

Bartłomiejczyk

2018

MATEC Web Conf.

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Section: Bilateral Supply Systemmentioning

confidence: 99%

Bilateral power supply of the traction network as a first stage of Smart Grid technology implementation in electric traction

Bartłomiejczyk

2018

MATEC Web Conf.

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“…The increase in the distance between substations and lengthening the power cables enhances the transmission losses. A significant source of energy dissipation in the supply systems are losses in long power cables, the length of which can be up to several kilometres [Hamacek et al 2014].…”

Section: Measurement Of the Transmission Lossesmentioning

confidence: 99%

“…[Hamacek et al 2014]. The measurement of transmission losses in tram or trolleybus supply systems is difficult due to the complicated structure of the city transport network.…”

Section: Measurement Of the Transmission Lossesmentioning

confidence: 99%

“…On the basis of the operational experience, transmission losses in the overhead line can reach values as high as 30%, and a badly formed power supply system can significantly reduce the use of recovered energy. Issues such as the spatial structure of the power supply system, division of the overhead line into sections and the manner of supplying the sections are crucial in view of minimising energy consumption by public transport [Hamacek et al 2014].…”

Section: Introductionmentioning

confidence: 99%

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Measurement and Analysis of Transmission Losses in the Supply System of Electrified Transport

Bartłomiejczyk

Hołyszko²,

Filipek

2016

J. Ecol. Eng.

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Each of the steps of generation and conversion of electricity is related to the occurrence of losses. These arise in the production of energy, at transmission to the public power grid, during the processing stage at the traction substations supplying the overhead line and in the overhead line. Moreover, the electric vehicle drives have limited energy efficiency.The efficiency of electricity generation and public HV transmission systems is the subject of many scientific publications in the field of power systems. [Scarpellini et al. 2013; Sweet- Research Article MEASUREMENT AND ANALYSIS OF TRANSMISSION LOSSES IN THE SUPPLY SYSTEM OF ELECTRIFIED TRANSPORT ABSTRACTThe issue of electric energy saving in public transport is currently becoming a key area of interest, a fact connected with both an increase in society's environmental awareness and a rise in the prices of fuel and electricity. Electricity can be saved by reducing transmission losses in the supply system. The article presents a method of measurement and analysis of transmission losses in the supply system of electrified public transport on the example of trolleybus transport in Gdynia and Lublin in Poland.

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“…In the vast majority of driving time wheel drive is switched on and the sum of the resistance movement and the fictitious force are balanced by driving force. In other words, energy intensity of movement is the product of the average value of the driving force and the driving distance [2][3][4][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Energy Intensity of the Electric Vehicle

Dziubiński

Drozd

Adamiec

et al. 2017

Adv. Sci. Technol. Res. J.

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Continuous energy intensity is a relationship between continuous energy intensity and energy intensity of movement. In the paper we proposed to analyze energy intensity of the movement, as the size specifying the power demand to the wheel drive and presented the balance of power of an electric car moving in the urban cycle. The object of the test was a hybrid vehicle with an internal combustion engine and electric motor. The measurements were carried out for 4 speeds and 2 driving profiles.

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Energy recovery effectiveness in trolleybus transport

Cited by 57 publications

References 9 publications

Bilateral power supply of the traction network as a first stage of Smart Grid technology implementation in electric traction

Bilateral power supply of the traction network as a first stage of Smart Grid technology implementation in electric traction

Measurement and Analysis of Transmission Losses in the Supply System of Electrified Transport

Energy Intensity of the Electric Vehicle

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