Brake Voltage Following Control of Supercapacitor-Based Energy Storage Systems in Metro Considering Train Operation State

Yang, Zhihong; Xia, Huan; Lin, Fei

doi:10.1109/tie.2018.2793184

Cited by 74 publications

(26 citation statements)

References 25 publications

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“…Considering the results of energy consumption/saving potential calculations in Table 2, it seems that a significant percentage of the braking energy can be recovered, that is, up to 24% of daily energy consumption (particularly under heavy traffic conditions, where the number of decelerations increases significantly). These outcomes are in line with results regarding regenerative energy savings found in literature [27][28][29].…”

Section: Energy Consumption/saving Potential Estimations For a Typicasupporting

confidence: 91%

Energy Saving Estimation of Athens Trolleybuses Considering Regenerative Braking and Improved Control Scheme

Apostolidou

Papanikolaou

2018

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Abstract:In this work, the electromechanical system of the 8000-series of Athens trolleybuses, based on data provided by OSY S.A., is analyzed. Those data were used to develop a valid model in order to estimate the total energy consumption of the vehicle under any possible operating conditions. In addition, an effort is made to estimate the energy saving potential if the wasted energy-in the form of heat-during braking or downhill courses is recovered (regenerative braking) and retrofitted during normal operation. This process requires the installation of appropriate electrical apparatus to recover and temporarily store this energy amount. Moreover, due to the fact that the main engine of the system is an asynchronous electric machine, its driving scheme is also of interest. This study assumes the current driving scheme, that is the direct vector control (DVC), and proposes an alternative control method, the direct torque control (DTC). Energy consumption/saving calculations highlight the effectiveness of incorporating regenerative braking infrastructure in trolleybuses transportation systems. Finally, a sustainable hybrid energy storage unit that supports regenerative braking is proposed.

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Section: Energy Consumption/saving Potential Estimations For a Typicasupporting

confidence: 91%

Energy Saving Estimation of Athens Trolleybuses Considering Regenerative Braking and Improved Control Scheme

Apostolidou

Papanikolaou

2018

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“… Catenary-free operation  Electric network ownership  Electric network characteristic Onboard SC Maximum energy recovery [134] Onboard SC Maximum energy recovery [135] Onboard SC Maximum energy recovery [61] On board SC Maximum energy recovery [136] Wayside SC Power flow control [137] Wayside Li-C Power flow control [138] Wayside SC Maximum energy recovery [139] Wayside SC Maximum energy recovery [140] Wayside SC Maximum energy recovery [141] Wayside SC Improve dynamic performance of system [142] Wayside SC constant voltage-based energy management strategy [143] Wayside SC Energy management control [144] Wayside Li-C Energy management control [108] Wayside Li-C Line voltage control [145] Flywheel Line voltage control [146] Flywheel Line voltage control [147] Battery Peak load shifting [148] Battery Maximum energy recovery [149] Hybrid bat-SC Energy management control [150]  Vehicles  Headways Catenary-free operation provides an opportunity for vehicles, especially tramway, to run without connection to the overhead line. It is a good solution for operating trams in, for instance, historic areas.…”

Section: Energy Storage Control and Energy Managementmentioning

confidence: 99%

Recuperation of Regenerative Braking Energy in Electric Rail Transit Systems

Khodaparastan

Mohamed

Brandauer

2019

IEEE Trans. Intell. Transport. Syst.

199

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Electric rail transit systems are large consumers of energy. In trains with regenerative braking capability, a fraction of the energy used to power a train is regenerated during braking. This regenerated energy, if not properly captured, is typically dumped in the form of heat to avoid overvoltage. Finding a way to recuperate regenerative braking energy can result in economic as well as technical merits. In this comprehensive paper, the various methods and technologies that were proposed for regenerative energy recuperation have been analyzed, investigated and compared. These technologies include: train timetable optimization, energy storage systems (onboard and wayside), and reversible substations.Index Terms-Onboard energy storage, regenerative braking, reversible substation, wayside energy storage.

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“…The topic of energy saving in urban rail systems has been investigated in different aspects. In [5], an energy management strategy for capacitor is proposed to adjust charging and discharging threshold voltage based on analysis of train operation states. The main parameter for energy calculations is state of charge (SOC) of energy storage device.…”

Section: Introductionmentioning

confidence: 99%

Regenerative energy management of electric drive based on Lyapunov stability theorem

Sabzi

Asadi

Moghbeli

2019

J. Mod. Power Syst. Clean Energy

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In recent years, urban rail systems have developed drastically. In these systems, when induction electrical machine suddenly brakes, a great package of energy is produced. This package of energy can be stored in energy storage devices such as battery, ultra-capacitor and flywheel. In this paper, an electrical topology is proposed to absorb regenerative braking energy and to store it in ultracapacitor and battery. Ultra-capacitor can to deliver the stored energy to DC grid and to charge the battery for auxiliary applications such as lighting and cooling systems. The proposed system is modeled based on large signal averaged modeling, which leads to the simplicity of calculations. The control system is based on Lyapunov stability theorem which guarantees system stability. Also, an energy management algorithm is proposed to control energy under braking and steady-state conditions. Finally, the simulation results validate the effectiveness of the proposed control and energy management system.

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Brake Voltage Following Control of Supercapacitor-Based Energy Storage Systems in Metro Considering Train Operation State

Cited by 74 publications

References 25 publications

Energy Saving Estimation of Athens Trolleybuses Considering Regenerative Braking and Improved Control Scheme

Energy Saving Estimation of Athens Trolleybuses Considering Regenerative Braking and Improved Control Scheme

Recuperation of Regenerative Braking Energy in Electric Rail Transit Systems

Regenerative energy management of electric drive based on Lyapunov stability theorem

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