1、 KS C IEC 60076-8KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS C IEC 60076-8 : 2002 (2007 ) 2002 10 29 http:/www.kats.go.kr : ( ) ( ) : (http:/www.standard.go.kr) : : 2002 10 29 : 2007 11 19 2007-0993 : ( 02-509-7294) . (http:/www.kats.go.kr ) 7 5 , . C IEC 60076 8: 2002 1 1. 1 2. 3 2 3. 5 4. , 8 5. 3
2、 ( ) 3 18 6. 3 28 7. 3 33 8. 45 9. 53 10. 55 A 2 60 ICS 29.180 KS C IEC 60076 8: 2002(2007 ) Power transformers Part 8: Application guide 1997 IEC 60076 8 Power transformers Part 8: Application guide . 1. 1.1 IEC 60076 . . , YN ynd 3 , , . . , . IEC 60354 , IEC 60905 . IEC 60722 . 1.2 KS C IEC 60076
3、 . , , KS C IEC 60076 . IEC ISO . KS A 9001: 1998 , , , KS C IEC 60050 421: 2001 421: KS C IEC 60076 1: 2002 1: KS C IEC 60076 3: 2002 3: , KS C IEC 60722: 2002 KS C IEC 60905: 2002 KS C IEC 61378 1: 2002 1: IEC 60289: 1988 Reactors IEC 60354: 1991 Loading guide for oil immersed power transformers C
4、 IEC 60076 8: 2002 2 IEC 60909: 1988 Short circuit current calculation in three phase a.c. systems IEC 60909 1: 1991 Short circuit current calculation in three phase a.c. systems Part 1: Factors for the calculation of short circuit currents in three phase a.c. systems according to IEC 60909 (1988) I
5、EC 60909 2: 1992 Electrical equipment Data for short circuit current calculations in accordance with IEC 60909 (1988) 2. 3 4. . 2.1 Y, D, Z 3 . (Y ) (D ) . Z . ( , “ ”, “ ”, “T ”, “V ”, ). . 2.1.1 . . . ( ). . (2.2 4.8 ). 2.1.2 , . . 2.1.3 ( .). . 2.2 KS C IEC 60076 1, 6. . . “ ” . 4. 5. . 3 . 2.2.1
6、 YNyn YNauto (under ampere turn balance) . (4.7.2 4.8 ). 2.2.2 Yny Yyn . , . (2.3 ). , (4.8 ). 2.2.3 YNd, Dyn, YNyd YNyd ( ) C IEC 60076 8: 2002 3 . . ( ), 3 . 4.3.2 4.7.2( ) 5. . 2.2.4 Yzn ZNy . . 2.2.5 3 3 . , 3 . . 3 . . 3 . . 3 . 2.3 3 3 ( 1 ). . 1 3 5 ( 2 ) 2 . 5 . 2 5 C IEC 60076 8: 2002 4 3 3
7、 ( 3 ). . 3 3 3 ( 4 ). 4 3 3 , . , . , . . 2.3.1 3 3 , , ( 0 .) , . , ( ), ( ) . , ( ) . C IEC 60076 8: 2002 5 . . , . . . . 4.8 . 2.3.2 5 5 (5 , , ) . . . . 3 . . (4. ). 3. 3.1 , . (KS C IEC 60076 1 3.1.2 ) 5 . ( U1, I1 ) . (U2, 12) . , . SIUIU =2211=212121IIIUUUSIIUIUU = )()(222121 5 , 3.2 , . 1 .
8、 ( , ) C IEC 60076 8: 2002 6 . 5 . S , S . . 420/240 kV, 300 MVA . (420 240)/420 300 129 MVA 100 MVA (YN auto d 300/300/100 MVA) 3 , . ( 129 129 100 ) / 2 179 MVA 3.3 (reactive power) . . . , . (2 ) . ( ) . . IEC 60354, The transformer loading guide . . 3.4 , (3 ) 3 . , . , (KS C IEC 60076 3 5.5.2 )
9、. , . . , . ( ) . . X . . 3.5 . KS C IEC 60076 1 5.1 . . ( ) ( 6 ). C IEC 60076 8: 2002 7 3.5.1 . . . , ( ) . 1( ) . , . , . 6 3.5.2 X X . . 7 . a) . . b) a) . . c) b) . b) , . C IEC 60076 8: 2002 8 7 4. , , 3 3 . 3 . , . 3 ; , , . 4.1 3 4.1.1 . , . 4.1.2 . 4.1.1 , 3 . . . 3 , (120 ). 0 . (phasor pi
10、cture) . 3 3 ( 0 ) . 3 3 . 3 ; 3 ; ; 0 . 0 1/3 . 3 . . C IEC 60076 8: 2002 9 , . . 4.1.2 . 3 0 . . . ( ), . 4 . . , . 3 . 1/3 . 0 , . ( ) (4.5 ). 4.2 ( ) . . . . , , . . . . . (KS C IEC 60076 1 10.7 ). 4.3 4.1, 4.1.1, 4.1.2, 4.2 . , , . , . . C IEC 60076 8: 2002 10 8 3 . 8 ZA ZB . , 0 . Zm . 5 3 (4.4 ). 3 .
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