Design and Simulation of a Novel Modular Converter-Transformer for AC/DC, DC/AC and DC/DC Operations
Abstrak
This manuscript describes the research and the development of a novel family of modular AC/DC, DC/AC and DC/DC converters for high voltage interconnections between AC and DC lines or between two DC lines. Such devices are bidirectional and they integrate a three-phase power transformer. The relationship existing between AC and DC voltages in each module for rectifier and inverter operations is analogous to the one set in single-phase thyristor bridges. Due to the novelty of this topic, a low-voltage, low power prototype was sized to make a first validation of its predicted behaviour. This converter should realize all the operating modes allowed by the new family of devices, namely, AC/DC, DC/AC and DC/DC conversions. Its rated phase voltage is 230 V rms and it should be able to carry at least 1 kW. Thus, a switching model of the device was realized first. The simulated behaviour of this prototype is deeply discussed in this paper during steady-state, transient and DC-fault operations.
Penulis (7)
Francesco Castelli Dezza
Nicola Toscani
Matteo Benvenuti
Riccardo Tagliaretti
Vincenzo Agnetta
Mattia Amatruda
Samuel De Maria
Akses Cepat
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- 2024
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- DOI
- 10.20944/preprints202411.1000.v1
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