KS C 0268-1995 Electromagnetic Compatibility-Testing and measurement techniques -General guide on harmonics and interharmonics measurements and instrumentation for power supply sys.pdf

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1、KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 1995 12 29 KS C 0268 - - KS C 0268 : 1995 (2005 ) KS - C 0268 - 1995 - (2005 ) Electromagnetic Compatibility-Testing and measurement techniques -General guide on harmonics and interharmonics measurements and instrumentation, for power supply systems and equi

2、pment conducted thereto 1. 02500Hz , ( IEC 552-2 ) . . . ( ) . . . , , . 1. . IEC 1000-4-7 : 1991, Electromagnetic Compatibility, Part 4 : Testing and measurement techniques, Setion 7: General guide on harmonics and interharmonics measurements and instrumentation, for power supply systems and equipm

3、ent conducted thereto 2. . IEC 50(161) : 1990, (IEV), 16 : IEC 348 : 1978, IEC 555-1 : 1982, - 1 : IEC 555-2 : 1982, 2 : IEC 801-2 : 1984, - 2 : 2. , 2.1 Um fm C 0268 - 1995 2.2 Im fm Um, Im, fm Un, In, fn . 2.3 IEC 50(161) IEC 555-1 (交叉 ) . . 2.4 2.5 2.6 . 2.7 a ( ) b ( ) c d f f1 j P t x B C r.m.s

4、. D I (r.m.s.) M : Pcc T T1 2 1 C 0268 - 1995 TNT1 U (r.m.s.) w 2.8 cap ind i k m : m( .) n : () r s : D L N sh vs wk 3. (Um Im) (, ) . . ( ) , , . 3.1 . (1) ( ) (2) (3) ( ) (4) 4 . . (1) : . - TV , (制光器 ) - (2) . - , - (3) . , 3 C 0268 - 1995 (1 .) . (9.4). 3.2 A B . IEC 555-2 A . 3.3 . , , , . 4.

5、. . 4.1 4.1.1 1.2 . 2 1.5 . . 4 1kV 1 . 10. . . UN: 115V, 230V, 400V 1. 115V . . ( : ) 2. (0.1, 1, 10 V) ( 4.1.2 ). 2 . 3VA . (50V) 10k /V . . . 4.1.2 . , ( ) . 0.11.0V . . IN :0.1; 0.2 ; 0.5 ; 1 ; 2 ; 5 ;16A( 10A) B 3VA . A 0.15V . 1, 2IN 10IN 1sec 4 V3110,V3110,V100C 0268 - 1995 . 3 . r.m.s. ( ) .

6、 10. . D.C. D.C. . D.C. D.C. . 4.2 . 1 ( , , ) . 15 , 5A ( 1 ). . Um, Im (2. ) UN, IN IEC 555-2 ( 5%) , 0.15%, . 1 . . ( , ) . 4.3 (CT) . ( ) 5% . IEC 555-2 5% ( 1 ). ( ) . ( ) 5% . 5% 5 C 0268 - 1995 . (9.1 ). 40 ( 6400kV) 2 . 5% . . . (1) . (2) 5% 700Hz . 50% . (3) . . 1.5kHz . (4) 0.5kHz . . . (5

7、) 5 . 1kHz . (6) . . . (UN 1 30 40dB . . sin2 (x) . . 50dB . -3dB 3Hz Tw=16T1 . 2Tw 1 = 50Hz 0.64s . . 0.4s0.5s . 8 1NTif2=sTkf1=k)( nnn bac +=nnarctanba2sfC 0268 - 1995 . 6.2 2 (4, 5). 40 Cn 4 . 40 (9.4 ). 6.3 - . (1) ( .) (2) ( 1/ , 5000 .) (3) ( .) Cn, r.m.s. n an, bn . (1) an, bn, cn, n n Cn (2)

8、 n , (3) (4) , 7. (3.1 ) . Cn ( 34 ) . 7.1 Cn Cn . IEC 555-2 . . Cn . 7.1.1 () ( ) 1 1.5s . . . . 0.2s 90% ( 3 ). 7.1.2 ( 1 ) Cn . ( Cn ) 1.5s . 9 2nCC 0268 - 1995 . 7.2 , , , , 1.5s ( 4 ). . 1.5s . 6.1.2 . 8. 8.1 . ( 5 7 ) . 1.5s . . , ( ) . . 8.2 . (1) (2) (3) (a) ( ) . (b) (c) . 6.1 3 . 8.3 1s .

9、( Tw ) , . . (1) . (2) ( ), . 10 1TC 0268 - 1995 , . ( Tvs) : 3s ( Tsh) : 10min ( TL) : 1 ( TD) : 24 ( TWk) : 7 (Tvs) , . . Tvs . 8.3.1 (1 ) Tvs 3 . 8.2 (a) TVS=3s 3s 10s . . 8.2 (b) (c) n TVS TW Cn max . M Cn r.m.s. ( n=50 ) TVS . d 9.2 . . 8.3.2 (2 ) ( n=50 ) (, 32 ). ( =1, (10), 50, (90), 95, 99%

10、) . Tsh 10 . 100 Cn . , ( Cn) . 10 r.m.s. Cnsh CnVs . CnVs 8.3.1 10 . 8.3.3 (3 ) TL . 1 . ( Tsh ) TL =1, (10), 50, (90), 95, 99, 99.9 % . 8.3.4 (24 ) . Tsh 50%, 95%, 99% . . (1) , TVS (8.3.1 ) , TVS ( CP 95% CP 99% ). 11 =MkMCC1knnVs /),(2C 0268 - 1995 (2) ( ) TVS (8.3.1 ) r.m.s. , TVS r.m.s. ( CP 95% CP 99% ). Cnsh (Tsh=10 r.m.s.) Cnmaxsh . 1. Tsh 10 . 2. Cnmaxsh CP 95% 1 . 3. ( Tsh ) , . 8.3.5 . . . 95% 99% . 9. , r.m.s. . . . - . . . 3 . ( 1 ). .