74페이지 내용 : 72 + Journal of the Electrical World Monthly Magazine Special Issues 발전기 사용기간에 따른 점검 및 정비주기 Hitachi 제시 자료 회전수에 따른 동분누적 예상치 따라서절연등급을B종에서F종으로상향하였고, 누적 동분을 완전히 제거한 후 최신의 층간절연재 Fiber Glass 를적용하여동분발생을예방할수있도록설비를 보강하였다. Period General Status Conventional Hydrogen Cooled Genetator Direct Hydrogen Cooled Genetator Young Age The Earty Stage Recommended Timing For Copper Debris Countermeasure 1.20E+06 1.00E+06 8.00E+05 6.00E+05 4.00E+05 2.00E+05 0.00E+00 Numbers of Turning Rotation Year 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Yearly Turning Rotation Number Total Turning Rotation Number Stable Span Precise Inspection Residual Life Evaluation Precise Inspection �Rotor ----- Rotor Remove �Stator ----- Rewedge Rotor Remove Rewedge Retaining Ring Remove Rewedge Rotor Remove Rewedge Retaining Ring Remove Rewedge �Rotor ----- Rotor Remove �Stator ----- Rewedge Precise Inspection Rotor Rewinding and Precise Inspection Stator Coll Rewinding with Epoxy Resin Insulation System Auxliaries Purmp & Motor Improvement Rotor Counter Measure of Copper Particle Contamination Stator Coll Rewinding with Epoxy Resin Insulation System Auxliaries Purmp & Motor Improvement Precise Inspection Precise Inspection Precise Inspection Precise Inspection End of Life Period Extend 45 Year Middle Age Grand Age OperatedYear