KEPCO Journal on Electric Power and Energy

Korea Electric Power Corporation (한국전력공사)
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Improved sulfur hexafluoride(SF6) gas analysis method for quality management of cryogenic refinement system

극저온 정제시스템의 품질관리를 위한 SF6 가스 분석방법 개선

  • Lee, Jeong Eun (KEPCO Research Institute, Korea Electric Power Corporation) ;
  • Cho, Min-ho (KEPCO Research Institute, Korea Electric Power Corporation) ;
  • Lee, Won Seok (KEPCO Research Institute, Korea Electric Power Corporation)
  • Received : 2022.03.08
  • Accepted : 2022.04.28
  • Published : 2022.06.30
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Abstract

Because sulfur hexafluoride(SF6) is classified as one of the six major greenhouse gases, SF6 handling in power plant such as recovery, purification, and reuse is considered to be important. KEPCO has focused to develop the advanced recovery and purification technology of SF6 reuse. SF6 analysis includes the on-site analyses and on-line analyzer; i.e., (1) on-site analysis has an error rate of ±0.5% and (2) on-line analysis has an error rate of ±0.1%, which is possible to adjust operating conditions and to make the work more conveniently by analyzing SF6 concentration before and after purification step. This paper presents an online analysis method in the SF6 purification and reuse system. In addition, the analysis results and quality guarantees for each section of the analysis system were presented.

Keywords

Acknowledgement

This work was supported by the Internal R&D program (No. R16VA06) of Korea Electric Power Corporation (KEPCO) in 2016.

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