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- W2903570036 abstract "In recent years, the urban rail transit has a great development in many cities of China. It is important to keep the DC transit grid strong and the power transmitted/power transmission high quality. During the process of rail operation, braking energy leads to a wide range of load oscillation for the traction and city grid, which cannot be absorbed inside the rail transit system. In this study, a novel architecture of urban rail transit power supply based on power electronics transformer braking energy feedback is put forward. Based on the circle grid, the topology adds an inverter to LLC series resonant converter to carry the power from 1500 V DC traction grid to 1180 V AC. Analysis together with simulation on the topology and control strategy is made on the basis of MATLAB/Simulink. Process of braking energy feedback and transmission of energy are illustrated with simulation. By paralleling the three-phase H bridge and braking energy feedback device, double direction of the power flow is ensured. As a consequence, the power quality increases and harmonics reduce. The energy can be used more efficiently to achieve better effects on energy conservation." @default.
- W2903570036 created "2018-12-22" @default.
- W2903570036 creator A5027313039 @default.
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- W2903570036 date "2018-12-17" @default.
- W2903570036 modified "2023-10-16" @default.
- W2903570036 title "Architecture of urban rail transit power supply based on PET braking energy feedback" @default.
- W2903570036 doi "https://doi.org/10.1049/joe.2018.8703" @default.
- W2903570036 hasPublicationYear "2018" @default.
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