1、KS C IEC 60028KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS C IEC 60028 : 2003 (2008 ) 2003 5 20 http:/www.kats.go.kr : ( ) ( ) ( ) : (http:/www.standard.go.kr) : : 2003 5 20 : 2008 10 24 2008-0696 : ( 503-7949) . (http:/www.kats.go.kr) 10 5 , ICS 29.050 KS C IEC 60028: 2003(2008 ) International stand
2、ard of resistance for copper 1925 IEC 60028 International standard of resistance for copper , . 1. a) , . b) . c) (), () (d ) . d : , , , . 1 m ( ) 1 m 1 m ( ) . I. . a) 20 , : b) 20 , : c) 20 , : 0.000 017 d) 20 , 2 : , e) a) b) 20 2m.28153.089.8581g II. a) 20 0.1 % . b) . 1) : 2010 2) 0.000 068 (
3、) . mmm22mgmmm.241017.058123cm89.8g.45.254193003.0 mmm2C IEC 60028: 2003 2 3) 0.000 60( ) . 4) 20 , 8.89( ) (%) . . t , R: (), m: (g), l: (m), . t , ,mmm89.822 lRm: 20 mmm)20(068000.089.822tlRm: (%) . 100)20(068000.089.858/1%)(2tlRm , . t , 22m,glRm: 20 22m)20(060000.0gtlRm: (%) . 100)20(060000.0281
4、53.0%)(2tlRm 1. (I) . , 0.5 % 1 % . (II) 4 . 2. 0 , 20 . 0 , 0.000 017 0 , 1.5881 cm 0 , 0.004 282 0 , 2 (potential point) ( ) 3. 1) R1, R2 t1, t2 , . R2 R11 1( t2 t1) 3cm g3cmg3cm90.8g526004.045.2341C IEC 60028: 2003 3 2) , R (l , S ) t1 , 1 , . 2 11 1( t2 t1) , . 1 1 3) , R ( l , m ) t1 , 1 , . 2 11 1( t2 t1) . 1 1 2 Slml2 135513 7017 (02)60094567 (02)600948878 http:/ KS C IEC 60028: 2003KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS International standard of resistance for copper ICS 29.050 Korean Agency for Technology and Standards http:/www.kats.go.kr