The Journal of the Korea institute of electronic communication sciences (한국전자통신학회논문지)

Korea Institute of Electronic Communication Science (한국전자통신학회)
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Design on a Dual Impulse Surge Protector for the Power over Ethernet Devices

PoE(Power Over Ethernet)에서 임펄스성 서지보호 이중화 장치 설계

  • Received : 2015.06.30
  • Accepted : 2015.08.23
  • Published : 2015.08.31
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Abstract

In this paper, in order to prevent impulse surge PoE(Power Over Ethernet) communications error caused by natural phenomenon in industrial sites, countermeasure design of impulse surge of PoE communications equipment is suggested by designing dual impulse surge protection circuit. In order to analyze characteristic of impulse surge noise signal, surge generating device which meet international standard IEC 61000-4-5 is invented. And this device shows that surge signal is weakened by designing dual PoE power supply protection circuit by connecting surge generating device to the PoE data transfer line.

본 논문에서는 산업현장에서 자연현상에 의하여 발생하는 임펄스성 서지(surge)에 의한 PoE(Power Over Ethernet)시스템의 통신 장애를 예방하기 위하여 이중화된 임펄스성 서지 보호회로를 설계하여 PoE 통신설비의 임펄스성 서지의 대책 방안을 제안하였다. PoE에 따른 임펄스성 서지신호의 특성을 분석하기 위하여 국제표준 IEC 61000-4-5에 적합한 서지 발생장치를 개발하였으며 서지 발생장치를 PoE 데이터 전송 라인에 인가하여 설계 제작한 이중화된 PoE 전원공급 보호회로에 의하여 순차적으로 임펄스성 서지 신호가 약화됨을 확인하였다.

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References

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