Journal of the Korean Institute of Illuminating and Electrical Installation Engineers (조명전기설비학회논문지)

The Korean Institute of IIIuminating and Electrical Installation Engineers (한국조명전기설비학회)
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Optimization of DC Operating Voltage for GDT-Adopted SPD

가스방전관(GDT)을 적용한 서지보호장치 회로의 DC 동작전압 최적조건 고찰

  • 최종민 (서울과학기술대학교 산업대학원 전기공학과) ;
  • 전태현 (서울과학기술대학교 전기정보시스템공학과)
  • Received : 2012.05.24
  • Accepted : 2012.06.13
  • Published : 2012.07.31
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Abstract

It is made compulsory to install SPD for the purpose of protecting electric and electronic devices when an abnormal voltage such as lightning occurs to power line using power frequency of 60Hz. Recently, the high speed communication technology utilizing power line is receiving attention again as a communication technology for smart grid. The SPD influences the performances of power line communication when using SPD and power line communication system together. In order to improve the performance of power line communication, a proposed scheme for series connection of gas discharge tube to ZnO varistor was presented. This paper measured the impacts of series connection of GDT to SPD using ZnO varistor on the limit voltage of Class III SPD. This paper also presented the DC operating voltage of GDT which satisfies the limit voltage of power line communication system and SPD simultaneously.

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References

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