High-boost, resonant-type DC-DC converters at power interfaces for interconnecting DC generation to AC main grids

This paper presents the design, simulation and experimental performance of a scaled-down advanced DC-DC converter prototype. The configuration uses soft-switching and combines a resonant circuit with a boost converter resulting in a voltage-gain of 10 and. Through a cascade arrangement of converters...

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Bibliographic Details
Published in2016 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) pp. 1 - 6
Main Authors Miguel-Sanchez, O., Anaya-Ruiz, G. A., Zuniga-Garcia, L. G., Ugalde-Caballero, L. E., Moreno-Goytia, E. L., Venegas-Rebollar, V.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.11.2016
Subjects
Capacitors
DC grids
DC-DC converters
DC-DC power converters
Digital signal processing
HVDC
HVDC transmission
Inductance
MMC
Resonant boost converter
RLC circuits
Transmission network
Voltage control
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Summary:This paper presents the design, simulation and experimental performance of a scaled-down advanced DC-DC converter prototype. The configuration uses soft-switching and combines a resonant circuit with a boost converter resulting in a voltage-gain of 10 and. Through a cascade arrangement of converters, the voltage gain is increased to 50. The DC-DC converter is primarily designed as converter station operating as part of a modified HVDC link which interconnects DC power into the AC system. Once the converter is mathematically described, a number of cases of study for open-loop and closed-loop conditions are presented. In order to confirm the DC power transfer, the modified HVDC link -using a 21-level MMC power station at the AC-side- is simulated. The experimental results are presented at final section. The DSP-based control is implemented in the TMS320F28335.
DOI:10.1109/ROPEC.2016.7830576