Optimization of Lead Insulations for HVDC Converter Transformers

Manje Yea, Jaeyong Park, Seungwook Lee, Jongung Choi, Ki Jin Han

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

This paper explains design considerations for lead and lead-exit insulations of HVDC converter transformer for the purpose of automated design optimization. A HVDC converter transformer should at least deal with AC, DC, and DC polarity reversal stresses, which complicate designing process of insulation structures. Design considerations for those insulations are the types of electrical stresses and design parameters of insulation shapes. The design objective of the optimization is to ensure insulation robustness with reduced size of insulation structures. Optimization results showed 16.72% and 29.07% of length reduction with sufficient robustness, for lead and lead-exit insulations, respectively.

Original languageEnglish
Pages (from-to)2057-2063
Number of pages7
JournalJournal of Electrical Engineering and Technology
Volume14
Issue number5
DOIs
StatePublished - 1 Sep 2019

Keywords

  • Design optimization
  • HVDC
  • Insulation
  • Lead
  • Lead-exit
  • Transformer

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