Power converter circuits for recuperation of the regenerative braking energy in rail vehicles

Župan, Ivan; Lasic, Ante; Krušelj, Dubravko; Šunde, Viktor; Ban, Ž.

doi:10.23919/mipro.2019.8757124

Cited by 7 publications

(13 citation statements)

References 5 publications

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“…In order to have a high-power capacity and to reduce the converter output current ripple without necessarily increasing the switching frequency and the inductor value, a multiphase converter is employed that is the interleaved buck-boost DC-DC converter which consists of two or more of the Fig. 16: Multiphase Buck-Boost Bi-directional DC-DC Converter [168], [172].…”

Section: Multiphase Buck-boost Bi-directional Dc-dc Convertermentioning

confidence: 99%

“…However, due to increase in the number of switches, this topology requires a complex control strategy and more expensive compared to the single-phase buck-boost converter [168]. The energy storage device is thus connected to the DC bus via S3 and S4 whereas S1 and S2 are connected to the DC-link traction network [172].…”

Section: Multiphase Buck-boost Bi-directional Dc-dc Convertermentioning

confidence: 99%

“…The converter also has many switches and hence a complex control strategy is required compared to the other simple topologies. Therefore, the design and execution of such a converter is complicated [168], [185], [186]. This type of converter is commonly used in low power applications because of the less power transfer between the two sides of the converter when compared to the dual active full bridge.…”

Section: Dual Active Full-bridge Bi-directional Dc-dc Convertermentioning

confidence: 99%

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Review of Energy Storage Systems in Regenerative Braking Energy Recovery in DC Electrified Urban Railway Systems: Converter Topologies, Control Methods & Future Prospects

Sadiq¹

2021

Preprint

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<p>Electrified urban railway systems are large consumers of energy in urban areas and thus, there is a need for energy saving measures in this transportation sector. Recuperation of train’s regenerative braking energy (RBE) is one of the best ways for attaining high levels of energy efficiency in this area. Energy Storage Systems (ESSs) prove to be the most practical and viable solution for maximizing the RBE utilization in urban railway systems. In the existing related reviews of ESSs, few papers covered the review of ESS technologies or converter interface. However, a comprehensive review is needed in this regard. This paper discusses an overview of urban railway electrification, and detail review for the three ESS components – ESS Technologies, Bidirectional DC-DC Converters (BDCs), and Controller Unit. This study concludes that among the storage technologies, supercapacitor ESS appears to be the most suitable followed by Lithium-ion batteries and flywheels. For BDC, cascaded BDC is the most suitable followed by dual active bridge. For control methods, fuzzy logic and artificial intelligent are recommended among other control strategies. Thus, the key contribution of this paper is the comprehensive review and analyses of the ESS’s components in the recovery of RBE in urban railways. </p>

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Section: Multiphase Buck-boost Bi-directional Dc-dc Convertermentioning

confidence: 99%

Section: Multiphase Buck-boost Bi-directional Dc-dc Convertermentioning

confidence: 99%

Section: Dual Active Full-bridge Bi-directional Dc-dc Convertermentioning

confidence: 99%

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Review of Energy Storage Systems in Regenerative Braking Energy Recovery in DC Electrified Urban Railway Systems: Converter Topologies, Control Methods & Future Prospects

Sadiq¹

2021

Preprint

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“…The topologies of bidirectional DC-DC converters for charging and discharging the used energy storage are described in the following works. The authors of [7] give an overview of energy storage systems and associated power converters topologies, the authors of [8] give a review of isolated bidirectional DC-DC converters, the authors of [9] present a comprehensive review of converter topologies and control while the authors of [10] review DC-DC converter topologies and present simulation results of a selected topology. The energy flow in the converter is controlled by an algorithm implemented in the converter's control system.…”

Section: Introductionmentioning

confidence: 99%

HIL Simulation of a Tram Regenerative Braking System

Pavlović¹,

Župan

Šunde

et al. 2021

Electronics

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Regenerative braking systems are an efficient way to increase the energy efficiency of electric rail vehicles. During the development phase, testing of a regenerative braking system in an electric vehicle is costly and potentially dangerous. For this reason, Hardware-In-the-Loop (HIL) simulation is a useful technique to conduct the system’s testing in real time where the physical parts of the system are replaced by simulation models. This paper presents a HIL simulation of a tram regenerative braking system performed on a scaled model. First, offline simulations are performed using a measured speed profile in order to validate the tram, supercapacitor, and power grid model, as well as the energy control algorithm. The results are then verified in the real-time HIL simulation in which the tram and power grid are emulated using a three-phase converter and LiFePO4 batteries. The energy flow control algorithm controls a three-phase converter which enables the control of energy flow within the regenerative braking system. The results validate the simulated regenerative braking system, making it applicable for implementation in a tram vehicle.

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“…The bidirectional DC/DC converter connects the DC link of the vehicle's main drive converter to the ESS and its topology depends on the type of vehicle and the ESS used. A survey of existing topologies of DC converter used for this purpose is discussed in detail in [13][14][15][16]. The power management algorithm monitors the filling and emptying of the storage depending on the current state of charge, state of the vehicle, and the selected control algorithm, which can be maximum energy saving, preservation of the lifetime of the ESS, stabilization of the power grid, etc.…”

Section: Introductionmentioning

confidence: 99%

Route Profile Dependent Tram Regenerative Braking Algorithm with Reduced Impact on the Supply Network

et al. 2021

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Electric trams are one of the standard forms of public transport. They are characterized by large amounts of electric current and electric current gradient from the power grid, especially during acceleration. For this reason, a regenerative braking system is considered with the aim of reducing electric current peaks and increasing energy efficiency by reducing the total energy consumption of the power grid. A supercapacitor module is used as a storage device for storing and utilizing the braking energy. The supercapacitor module and the power grid constitute a hybrid energy system, for which a control algorithm has been developed. The control algorithm takes into account the influence of the elevation profile and the slope of the vehicle route in storing and using the braking energy. The operation of the algorithm was simulated and analyzed using the MATLAB/Simulink software package for tram lines with different elevation profiles.

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Power converter circuits for recuperation of the regenerative braking energy in rail vehicles

Cited by 7 publications

References 5 publications

Review of Energy Storage Systems in Regenerative Braking Energy Recovery in DC Electrified Urban Railway Systems: Converter Topologies, Control Methods & Future Prospects

Review of Energy Storage Systems in Regenerative Braking Energy Recovery in DC Electrified Urban Railway Systems: Converter Topologies, Control Methods & Future Prospects

HIL Simulation of a Tram Regenerative Braking System

Route Profile Dependent Tram Regenerative Braking Algorithm with Reduced Impact on the Supply Network

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