Cell-level power supply for high-voltage modular multilevel converters

Andrei Blinov, Staffan Norrga, Gabriel Tibola, Giovanni Velotto

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

26 Citations (Scopus)
3 Downloads (Pure)

Abstract

Focus is on the design and development of an auxiliary power supply converter for HVDC and FACTS applications, utilising integrated gate-commutated thyristors. Due to relatively high requirements for gate drive power and operating voltage of 2.8 kV, special measures have to be considered when designing such systems. The tappedinductor buck converter topology was chosen as the first non-isolated conversion stage to perform step-down and regulation functions. The main focus of this study is on the design and operation of autonomous high-voltage switch with increased operating frequency that consists of eight MOSFETs connected in series. Various converter design constrains associated with inductor design and start-up sequences are analysed as well. The results are verified with a 150 W prototype converter.

Original languageEnglish
Title of host publication2017 19th European Conference on Power Electronics and Applications, EPE 2017 ECCE Europe
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages1-10
Number of pages10
Volume2017-January
ISBN (Electronic)978-90-75815-27-6
ISBN (Print)978-1-5386-0530-1
DOIs
Publication statusPublished - 11 Sep 2017
Event19th European Conference on Power Electronics and Applications (EPE 2017 ECCE Europe) - Warswaw, Poland, Warsaw, Poland
Duration: 11 Sep 201714 Sep 2017
Conference number: 19
http://www.epe2017.com/

Conference

Conference19th European Conference on Power Electronics and Applications (EPE 2017 ECCE Europe)
Abbreviated titleEPE '17 ECCE Europe
CountryPoland
CityWarsaw
Period11/09/1714/09/17
Internet address

Keywords

  • HVDC
  • IGCT
  • Power supply
  • Silicon Carbide
  • ZVS converters

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