Power efficiency and loss in push-pull MOS-FET DC-to-RF power inverter for plasma generator

Kazuhiro Sugimoto, Junji Hamaoka, Masayuki Okuno, Kunihiro Sako, Tetsuya Homma

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This paperdescribes the power efficiency and losses in push-pull MOS-FET arrays in an inverter for a plasma generator. The inverter consists of parallel connected MOS-FETs and the output powertransformer. The power losses within the MOS-FET arrays and output power transformer are estimated based on their thermal resistances, which were obtained separately by measurements. The drain efficiency was thus obtained from the DC input power, RF output power, and estimated power losses. The output power of the MOS-FET arrays was 1 kW, with a drain efficiency of 79% and at 13.56 MHz, when the DC voltage was 48 V.

Original languageEnglish
Pages (from-to)511-521
Number of pages11
JournalIEEJ Transactions on Industry Applications
Volume136
Issue number8
DOIs
Publication statusPublished - 2016

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Field effect transistors
Plasmas
Power transformers
Heat resistance
Electric potential

Keywords

  • Inverter
  • MOS-FET array
  • Push-pull
  • Radio frequency

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

Cite this

Power efficiency and loss in push-pull MOS-FET DC-to-RF power inverter for plasma generator. / Sugimoto, Kazuhiro; Hamaoka, Junji; Okuno, Masayuki; Sako, Kunihiro; Homma, Tetsuya.

In: IEEJ Transactions on Industry Applications, Vol. 136, No. 8, 2016, p. 511-521.

Research output: Contribution to journalArticle

Sugimoto, Kazuhiro ; Hamaoka, Junji ; Okuno, Masayuki ; Sako, Kunihiro ; Homma, Tetsuya. / Power efficiency and loss in push-pull MOS-FET DC-to-RF power inverter for plasma generator. In: IEEJ Transactions on Industry Applications. 2016 ; Vol. 136, No. 8. pp. 511-521.
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