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Analysis on the EMC evaluating method for applying wireless communications in NPP

원전 내 무선통신 적용에 대한 전자파 적합성 평가방법 분석

  • Kang, SeungSeok (School of Electronic & Electrical Engineering, Hongik University) ;
  • Lim, Tae Heung (School of Electronic & Electrical Engineering, Hongik University) ;
  • Choo, Jaeyul (Korea Institute of Nuclear Safety) ;
  • Kim, HyungTae (Korea Institute of Nuclear Safety) ;
  • Kim, DaeHee (Korea Institute of Nuclear Safety) ;
  • Byun, Gangil (Metamaterial Electronic Device Research Center, Hongik University) ;
  • Park, Jong Eon (Metamaterial Electronic Device Research Center, Hongik University) ;
  • Lee, Jun-Yong (School of Information and Computer Engineering, Hongik University) ;
  • Choo, Hosung (School of Electronic & Electrical Engineering, Hongik University)
  • Received : 2017.08.08
  • Accepted : 2017.11.13
  • Published : 2017.12.31

Abstract

In this paper, we surveyed previous cases, network protocols (such as Wi-Fi, Zigbee, Z-wave, and WirelessHart) and propagation characteristics on the application of maintaining equipments for instrumentation and control (I&C) using wireless communication techniques inside the nuclear power plant (NPP). In addition, we compared and analyzed the difference of detailed regulations with respect to the electromagnetic interference (EMI) and radio frequency interference (RFI) in the Regulatory Guide 1.180 rev. 1 (RG. 1.180) for adopting the wireless communication techniques inside the NPP, and other regulations, such as MIL-STD 461E and IEC 61000-4, that are recognized in the KINS/RG-N03.09 (Rev. 2). Furthermore, we investigated evaluating factors about electromagnetic properties by considering indoor environments, wave scattering, shielding effectiveness, and the indoor wave attenuation model that were not included in the current electromagnetic compatibility regulation.

본 논문에서는 원전용 계측 제어기기를 진단하고 유지 보수하기 위한 무선통신기술의 국내외 적용 사례, 프로토콜(Wi-Fi, Zigbee, Z-wave, WirelessHart 등) 및 그에 따른 전파특성을 조사하였다. 또한, 원전 내 무선통신기술 적용시 우려되는 전자파 간섭(EMI/RFI)과 관련하여 국내 규제지침 KINS/RG-N03.09(개정 2판)에서 승인한 RG. 1.180(Regulatory Guide 1.180 rev.1), MIL-STD 461E, 및 IEC 61000-4의 차이를 분석하였다. 추가적으로 기존의 EMC 관련 규제에 포함되어 있지 않았던, 실내 환경에서의 구조적 특징, 전파산란 및 차폐효과, 실내 감쇄모델을 고려한 전자파 영향성 평가요소에 대해서도 연구하였다.

Keywords

References

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