대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)
- 대한전기학회 2005년도 제36회 하계학술대회 논문집 A
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- Pages.172-174
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- 2005
웨이블릿 변환의 검출 특성을 이용한 전압강하 검출에 관한 연구
A Study for Voltage Sag Detection Using Detection Characteristic Of Wavelet Transform
- Jung, Seung-Bock (SoongSii University) ;
- Kim, Jae-Chul (SoongSii University) ;
- Seol, Kyu-Hwan (SoongSii University)
- 발행 : 2005.07.18
초록
Recently, a concern of power qualify increases because of electronic device development and well-being generation. Power quality problems such as voltage sag, harmonics, flicker etc. have adverse effects on electric devices. Therefore, power quality problems have been monitored. This paper studies a detection of voltage sag that is more severer than the others. A voltage sag has been monitored using rms or wavelet method. This paper proposes an advance detection method using wavelet. An error Of Start Point differs error of ending point. We use this difference. So, we respectively revise detection error. Also, we revise multiplying average error rate.
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