http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
GITr(Gas Insulated Transformer)내부에 발생되는 PD 신호의 패턴분석을 위한 PRPD와 CAPD 적용결과 비교
鄭承庸(Seung-yong Jung),具?允(Ja-yoon Koo) 대한전기학회 2006 전기학회논문지C Vol.55 No.6
Partial Discharge (PD) phenomena occurred by different nature of insulating defects has been regarded as a random process by which Phase Resolved Partial Discharge Analysis(PRPDA) has been proposed and then commercially accepted for the diagnosis of the power apparatus since more than three decades. Moreover, for the same purpose, a novel approach based on the Chaotic Analysis(CAPD) has been proposed since 2000, in which Partial Discharge(PD) phenomena is suggested to be considered as a deterministic dynamical process. In this work, for the diagnosis of Gas Insulated Transformer(GITr), four different types of specimen were fabricated as a model of the possible defects that might possibly cause its sudden failures such as turn to tum insulation, inter coil insulation, free moving particle and protrusion. For this purpose, these defects are introduced into the Gas Insulated Transformer(GITr) mock-up and experimental investigations have been carried out in order to analyze the related Partial Discharge(PD) patterns by means of both Phase Resolved Partial Discharge Analysis(PRPDA) and Chaotic Analysis(CAPD) respectively and then their comparisons are made systematically.
급성 백혈병 환자에서 발생한 원발성 피부 아스페르길루스증
정승용(Seung Yong Jung),김정애(Jeong Aee Kim),박경찬(Kyoung Chan Park),이환종(Hoan Jong Lee) 대한피부과학회 1992 대한피부과학회지 Vol.30 No.2
Following chemotherapy for acute myelomoncytic leukemia, an 3-year-old boy developed several painful erythematous indurated patches at previous sampling sites and at the site where an arm board and adhesive tape were used in securing an intravenous infusion set. The lesions rapidly progressed to ulcers with central black eschars. Biopsies and cultures demonstrated a fungus, Aspergillus flavs, as the etiologic agent, without evidence of systemic dissemination. Local care, including s irgical debridement, were performed. The patient also received treatment with intravenous; amphotericin B followed by oral itraconazole. Six months later, the skin lesions had healed, leaving some scar and deformities. (Kor J Dermatol 1992;30(2): 211-216)