A Single DC-Source Seven-Level Inverter for Utility Equipment of Metro Railway, Power-Land Substations

Araujo-Vargas, Ismael; Cano-Pulido, Kevin; Ramirez-Hernandez, Jazmin; Mondragon-Escamilla, Nancy; Nicolas-Villalva, Caren Ivet; Villarruel-Parra, Alejandro; Cortés, Domingo; Pérez-Pinal, Francisco J.

doi:10.1109/tia.2014.2312538

IEEE Trans. on Ind. Applicat.

2014

DOI: 10.1109/tia.2014.2312538

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A Single DC-Source Seven-Level Inverter for Utility Equipment of Metro Railway, Power-Land Substations

Ismael Araujo-Vargas

Kevin Cano-Pulido

Jazmin Ramirez-Hernandez

et al.

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Cited by 11 publications

(1 citation statement)

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“…Some of these efficiency strategies are focused on improving the traffic management from the point of view of traffic design [2]- [6] and regulation [7]- [12], on the optimal use of regenerative braking [13]- [15] and on eco-driving [16]- [18]. These actions can be implemented in the short term with low investments compared with other energy efficiency actions as the renewal of trains [19] or the improvement of the infrastructure. The eco-driving design calculates the speed profile with the minimum energy consumption for a target running time between stations.…”

mentioning

confidence: 99%

Design of Robust and Energy-Efficient ATO Speed Profiles of Metropolitan Lines Considering Train Load Variations and Delays

Fernández-Rodríguez

Fernández-Cardador

Cucala

et al. 2015

IEEE Trans. Intell. Transport. Syst.

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Metropolitan railway operators' strategic plans include nowadays actions to reduce energy consumption. The application of ecodriving initiatives in lines equipped with automatic train operation (ATO) systems can provide important savings with low investments. Previous studies carried out under the ATO framework have not considered the main uncertainties in the traffic operation: the train load and delays in the line. This paper proposes a method to design robust and efficient speed profiles to be programmed in the ATO equipment of a metro line. First, an optimal Pareto front for ATO speed profiles that are robust to changes in train load is constructed. There are two objectives: running time and energy consumption. A robust optimization technique and an alternative method based on the conservation of the shape of the speed profiles (pattern robustness) are compared. Both procedures make use of a multi objective particle swarm optimization algorithm. Then, the set of speed profiles to be programmed in the ATO equipment is selected from the robust Pareto front by means of an optimization model. This model is a particle swarm optimization algorithm (PSO) to minimize the total energy consumption considering the statistical information about delays in the line. This procedure has been applied to a case study. The results showed that the pattern robustness is more restrictive and meaningful than the robust optimization technique as it provides information about shapes that are more comfortable for passengers. In addition, the use of statistical information about delays provides additional energy savings between 3% and 14%.Index Terms-Communication-based train control (CBTC), energy saving, multi objective particle swarm optimization (MOPSO), subway systems, train load variations, train operation, uncertainty.

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mentioning

confidence: 99%

Design of Robust and Energy-Efficient ATO Speed Profiles of Metropolitan Lines Considering Train Load Variations and Delays

Fernández-Rodríguez

Fernández-Cardador

Cucala

et al. 2015

IEEE Trans. Intell. Transport. Syst.

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Asymmetrical multi‐level inverter by using space vector pulse width modulation technique for low and medium power applications

Sahoo,

Roy

2024

Circuit Theory & Apps

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SummaryA DC to AC converter is developed in this paper. This proposes a single‐phase five‐level inverter is developed in such a way that one DC source is used. The structure of the inverter is modular and the capacitor has self‐voltage balancing capability, which eliminates the need for sensors or an additional control loop. This paper presents the schematic diagram of the proposed topology, principle of operation, and the concepts of sinusoidal pulse width modulation (SPWM) for single‐phase and space vector pulse width modulation (SVPWM) for three‐phase. To further prove the advantage, power loss, and parameter computations are calculated mathematically. Low‐voltage stress is achieved in the proposed topology because the blocking voltages of all the switches are constrained to the input voltage. A comparison table is presented between SPWM and SVPWM schemes in three‐phase inverter. The proposed asymmetrical five‐level configuration setup is constructed, and experiments are performed inside the laboratory. The controller of the converter has been implemented in the field‐programmable gate array (FPGA) platform. In order to confirm the viability of the suggested topology, experimental results are provided for single‐phase arrangement. By using the FPGA platform, real‐time implementation is done for a three‐phase inverter topology.

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A comprehensive review on single DC source multilevel inverters for renewable energy applications

2023

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A Single DC-Source Seven-Level Inverter for Utility Equipment of Metro Railway, Power-Land Substations

Cited by 11 publications

References 38 publications

Design of Robust and Energy-Efficient ATO Speed Profiles of Metropolitan Lines Considering Train Load Variations and Delays

Design of Robust and Energy-Efficient ATO Speed Profiles of Metropolitan Lines Considering Train Load Variations and Delays

Asymmetrical multi‐level inverter by using space vector pulse width modulation technique for low and medium power applications

A comprehensive review on single DC source multilevel inverters for renewable energy applications

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