Xây dựng chương trình tính toán hợp lực đơn vị của đoàn tàu trên đường sắt Việt Nam

Tuấn, Đỗ Đức; Toàn, Nguyễn Đức

doi:10.47869/tcsj.71.8.3

Cited by 2 publications

(4 citation statements)

References 0 publications

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“…The train using Onboard supercapacitor energy storage system is represented by the following continuous -space model (39)(40)(41)…”

Section: Train Modelmentioning

confidence: 99%

“…https://www.indjst.org/ A first-order transfer function with the gain equal to 1 is stable, having static error equal to 0 and short transient process if inertia time constant is small, so authors determined in order to closed-transfer function (38) can be defined as (39):…”

Section: Design Of the Pi Current-loop Control Algorithmmentioning

confidence: 99%

“…Where T' -the smaller is the better The best PI controller performance was gained when the plant's dominant pole was cancelled by the controller (39). Thus, the zero at -1 T Ii was assigned to the time constant of the plant, which was T Ii = T = L r L , and T k pi k = 2 × 10 −4 (s), so…”

Section: Design Of the Pi Current-loop Control Algorithmmentioning

confidence: 99%

See 2 more Smart Citations

Energy — Efficient Operation in Subway Systems: Tracking Optimal Speed Profile with on Board Supercapacitor Energy Storage System

Anh¹,

Communications²,

Quyền³

2021

IJST

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Objectives: To verify the energy efficiency operation of electrified trains on the certain metro line, in Vietnam by combining two solutions to recover regenerative braking energy with on-board supercapacitors and tracking the optimal speed profile. Methods: This study proposes an integrated optimization method: applying Pontryagin's maximum principle (PMP) finds the optimal speed profile with fixed running time and recuperating regenerative braking energy by designing the control method -Current Mode Control (CMC) to manage charge/discharge process of the on-board supercapacitor energy storage system (SCESS) tracking the optimal speed profile. Findings: With this approach, a considerable reduction in consuming energy obtained for Cat Linh-Ha Dong metro line, Vietnam has been verified by simulation results on MATLAB and MAPLE software indicating that applying PMP, the highest operation energy saving is 10.15%, but if both solutions PMP and SCESS are applied, the energy saving level increases up to 14.7% in comparison with simulation results of the case of original speed profile. Novelty: Combining two energy saving solutions simultaneously: applying PMP to determine the optimal speed profile and using super-capacitors with CMC algorithm have recuperated the regenerative braking energy. The level of energy saving is higher than other saving solutions.

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“…The train using Onboard supercapacitor energy storage system is represented by the following continuous -space model (39)(40)(41)…”

Section: Train Modelmentioning

confidence: 99%

Section: Design Of the Pi Current-loop Control Algorithmmentioning

confidence: 99%

See 1 more Smart Citation

Energy — Efficient Operation in Subway Systems: Tracking Optimal Speed Profile with on Board Supercapacitor Energy Storage System

Anh¹,

Communications²,

Quyền³

2021

IJST

View full text Add to dashboard Cite

show abstract

“…In [6][7], integrated optimization models on train control and timetable formulation were investigated to allow two trains to exchange braking energy to minimize net consumption rather than dissipate this energy across braking resistors. The efficient train driving strategy tracks the optimal speed curve by applying optimization algorithms to determine optimal speed profiles and the optimal location to place the electric traction substation [7][8][9][10][11]. The use of renewable energy in the power supply system for operating trains was investigated in [12][13].…”

Section: Introductionmentioning

confidence: 99%

A Solution for Energy-Efficient Operation of Urban Electric Trains: Integrating Rooftop PV with the Active Rectifier in the Traction Substation

Anh,

Cuong

2024

Eng. Technol. Appl. Sci. Res.

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The utilization of renewable sources connected to a grid to reduce traction substation installation costs and electrified trains' operation energy is a highly promising solution in the electric transportation field. This study proposes a DC traction power supply system integrated with a solar energy system using a DC-DC boost converter and an active rectifier replacing a diode located at the traction substation. The active rectifier not only recovers regenerative braking energy when electric trains operate in braking mode but also transfers solar energy from the DC bus to the grid. With the characteristics of urban railway lines utilizing high-power traction motors and high-voltage DC bus, this paper presents the structure of the Modular Multilevel DC-DC boost converter in the solar energy system employing the Maximum Power Point Tracking (MPPT) algorithm, whereas the modular multilevel active rectifier utilizes the Voltage Oriented Control (VOC) algorithm with three loop circuits: phase-lock loop, current loop, and voltage loop. Simulation results in Matlab/Simulink with parameters collected from the Nhon-Hanoi station urban railway line in Vietnam demonstrate that the PV system produces almost 37% of the energy in the accelerating phase of electric trains.

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Xây dựng chương trình tính toán hợp lực đơn vị của đoàn tàu trên đường sắt Việt Nam

Cited by 2 publications

References 0 publications

Energy — Efficient Operation in Subway Systems: Tracking Optimal Speed Profile with on Board Supercapacitor Energy Storage System

Energy — Efficient Operation in Subway Systems: Tracking Optimal Speed Profile with on Board Supercapacitor Energy Storage System

A Solution for Energy-Efficient Operation of Urban Electric Trains: Integrating Rooftop PV with the Active Rectifier in the Traction Substation

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