1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS C IEC 60076 7 7: KS C IEC 60076 7:2008 2008 11 20 http:/www.kats.go.krKS C IEC 60076 7:2008 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : :2008 11 20 2008-0777 : : ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . KS C IEC 60076 7:2008 i . iii .1 1 1 2 1 3 .
2、1 4 .4 5 5 5.1 .5 5.2 5 5.3 6 5.4 7 5.5 7 5.6 7 6 .9 6.1 .9 6.2 9 6.3 .9 6.4 10 7 10 7.1 .10 7.2 .11 7.3 .12 7.4 .12 8 .13 8.1 13 8.2 17 8.3 .21 9 23 9.1 .23 9.2 23 9.3 .24 9.4 24 A( ) .25 KS C IEC 60076 7:2008 ii B( ) 27 C( ) .31 D( ) B .39 E( ) .41 45 KS C IEC 60076 7:2008 iii . , , . , , . KS C I
3、EC 60076 7:2008 7: Power transformers Part 7: Loading guide for oil-immersed power transformers (KS) (IS) 2005 1 IEC 60076 7, Power transformers Part 7: Loading guide for oil-immersed power transformers , . 1 , . . 2 . . ( ) . KS C IEC 60076 2: 2002, 2: KS C IEC 60076 4: 2008, 4: KS C IEC 60076 5: 2
4、008, 5: 3 . 3.1 2 500 kVA 833 kVA 3.2 100 MVA 33.3 MVA KS C IEC 60076 7:2008 2 3.3 3.2 3.4 ( 24 ) . . 3.5 ( ) . . 1 1 . 3.6 3.7 (30 ) 3.8 , 3.9 3.10 , , , . 3.11 ( 24 ) 100 KS C IEC 60076 7:2008 3 3.12 . ( ) ( , ) . 110 65 000 / ANSI/IEEE C57.100 ( 50 % ) , . +=082.28)273(000 15hTime(h)e 65 000+ )27
5、3110(000 15)273(000 15he (1) (Kraft) . ASTM D 982 1 % 4 % . 2003 10 7 IEEE . 3.13 , OF , ( , ). 3.14 , ON , ( ). 3.15 , OD ( ). 3.16 , KS C IEC 60076 7:2008 4 4 C Ws/K c Ws/(kg K)DP D gr ( ) K mA kg mT mO kg mW H k11 k21 k22 K ( / ) L h n N OD ODAN, ODAF ODWF OF OFAN, OFAF OFWF ON ONAN ONAF P W Pe p
6、.u. PW W R Rr Rr 1 r 1 Rmin Rmax s t tapr tapr 1 r 1 tapmin tapmax V Vn n x exp( ) ( ) y exp( ) ( ) a E KS C IEC 60076 7:2008 5 h ma ma-maxKS C IEC 60076 2: 2002 , o yaKS C IEC 60076 2: 2002 , o W br ( ) K h K hi K hr o oi K om K omr ( ) K or ( ) K or K (or) 5 5.1 . / . . . 5.2 . a) , , , . b) , . c
7、) , . d) , , , . 1, 2, 3 . KS C IEC 60076 7:2008 6 ( HV) (LV) , . , . , . , . . . . KS C IEC 60076 1 , 4. , . , ( 1.9 T ). , . . , . . , . . 5.3 . . . , . . , 30 . a) , . 2 % 140 . . b) ( ) . , . , ( , , ) . 180 . c) . d) . 140 . KS C IEC 60076 7:2008 7 e) . f) . , , (7. ). . , , . 5.4 . . a) . , ,
8、. b) , . c) , . d) . . 5.5 . . . . . . . . . a) b) c) 5.6 ( ) . , KS C IEC 60076 7:2008 8 4, 5 . 150 DP ( 1 ). DP t (h) 1 150 6 1 , . 1 () / 2 % 80 118 5.7 90 38 1.9 98 15 0.8 80 72 76 90 34 27 98 18 12 . V = 1.0 98 110 . 1 1 . . 1 200 1 000 800 600 400 200 0 0 1 000 2 000 3 000 4 000 t DP KS C IEC
9、60076 7:2008 9 6 6.1 . , . 6.2 , , , . . . V (2) (3) 7. 6/)98(h2=V (2) +=273000 15273110000 15heV (3) h: () (2) (3) V 2 . 2 h V V 80 0.125 0.036 86 0.25 0.073 92 0.5 0.145 98 1.0 0.282 104 2.0 0.536 110 4.0 1.0 116 8.0 1.83 122 16.0 3.29 128 32.0 5.8 134 64.0 10.1 140 128.0 17.2 6.3 L . =21dtttVL =N
10、nnntVL1(4) KS C IEC 60076 7:2008 10 Vn : (2) (3) n tn : n n : N : 6.4 7 4 , 3 4 . 3 110 , 50 % 65 000 7.42 25 % 135 000 15.41 200 150 000 17.12 180 000 20.55 3 . 6 , 180 000 . GSU , . 7 7.1 4 , 7.2 7.4 . KS C IEC 60076 7:2008 11 4 ( ) ( ) ( ) (p.u.) 1.5 1.5 1.3 () 120 120 120 ( , , )() 140 140 140 (
11、) 105 105 105 (p.u.) 1.8 1.5 1.3 () 140 140 140 ( , , )( ) 160 160 160 () 115 115 115 (p.u.) 2.0 1.8 1.5 () 7.2.1 160 160 ( , , )( ) 7.2.1 180 180 () 7.2.1 115 115 . . , . 7.2 7.2.1 4 , , , . . 140 , (5.3 ). 7.2.2 , , 1.5 . 7.2.3 KS C IEC 60076 7:2008 12 , . (8.3.2 ). 7.2.4 , , . . 7.3 7.3.1 , , , 4 . 140 ,