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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A Method for Enhancing Data Transmission Performance in the Power-Line Communication Channel with Low-Voltage Surge Protective Devices

저압용 SPD가 설치된 전력선통신에서 데이터전송 성능 향상

  • 최종민 (서울과학기술대학교 전기공학과) ;
  • 전태현 (서울과학기술대학교)
  • Received : 2011.12.20
  • Accepted : 2012.01.13
  • Published : 2012.02.29
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Abstract

Low-Voltage power lines should equip surge protection devices which protect electronic equipments and human lives against lightning and abnormal voltages. Data transmission capacity of the power line is determined by frequency characteristics of the surge protective devices. To analyze the effects of surge protective devices on the data transmission performance, various combinations of installation methods are tested which include ZnO varistor elements that is compatible with class I, class II and class III. The result claims that ZnO varistor for class III is found to be one of the main factors that deteriorates the transmission performance. To overcome this problem a serial connection methed between Gap type SPD and ZnO varistor is proposed. With the proposed scheme, laboratory experimental results show that the data transmission performance can be improved up to 91.9[%] with proper SPD combination.

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References

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