Development of Arc-Fault Detection Technique

아크고장 검출기술의 개발

  • 임용배 (한국전기안전공사 전기안전연구원) ;
  • 전정채 (한국전기안전공사 전기안전연구원) ;
  • 박찬엄 (한국전기안전공사 전기안전연구원) ;
  • 배석명 (한국전기안전공사 전기안전연구원)
  • Published : 2009.08.31


In 2007, 9,128 fires were actually caused by electrical faults and these fires resulted in 29 deaths and 262 injuries. Arc-faults were one of the major causes of these fires. When an unintended arc-fault occurs, it generates intense heat that can easily ignite surrounding combustibles. But, because conventional circuit breakers only respond to overloads, short circuits, and leakage currents, the breakers do not protect against arcing conditions. This paper presents results obtained in experiments on ignition behavior of wire by series arc fault currents and techniques developed to detect the arc-faults. The developed technique was tested after installation to make sure that they are working properly and protecting the circuit. If the developed arc fault detection technique is applied, the electrical fires caused by an arc-fault can be reduced.


Series Arc;Electrical Fire;Arc Detection Algorithm


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