1、 KSKSKSKS KS C IEC 60833SKSKSKS KSKSKS SKSKS KSKS SKS KS KS C IEC 60833: 2006 2006 3 20 C IEC 60833:2006 ( ) ( ) ( ) ( ) : :2006 3 20 20060108 : : ( ) ( 02 5097297 7300) . 7 5 , . ICS 17.220.20; 19.080 KS C IEC 60833:2006 Measurement of power-frequency electric fields 1987 1 IEC 60833 Measurement of
2、 power-frequency electric fields . 1. . . 2. . 3. 3.1 . , . , . V/m . 3.2 ( , ) . 3.3 ( , ) . 1/4 . . 4. 4.1 . a) (free-body) b) (ground-reference) C IEC 60833:2006 c) (electro-optic) , . ( 7.2, 7.3, 7.4). ( 5.2, 7.2, 7.3). ( 5.2), ( A , A.8). . r.m.s. . (three-coordinate-probe) , . 4.2 . . . . . ,
3、. . . . 1 a) c) . . 1 (a) r.m.s. Q . Q = 3 r2E (1) 0 0: r: E: (r.m.s.) (1) Q . . (1) . I . 2I = 3 r E (2) 0 : (2 f) 1( b),(c) (1) (2) . Q = kE (3) I = kE (4) k . 1 (c) . 4.3 . , 1 d) . . . (fringing 2 C IEC 60833:2006 field effect) , . Q = S0E (5) S: . I = S0E (6) (5) (6) . , . . . 1 d) . ( ). 4.4 .
4、 , . . . ( 2 cm), . 1 e) (Pockels effect) . , . , I I . i t/I = (1sin M)/2 (7) I t iM =cIn FFE3002, = : n: E: I: c: (7) . . . 5. 5.1 . . a) 3 C IEC 60833:2006 . b) . c) . . , . 5.2 , . E0 U/d , U , d . E/E0 2 x/d . 2 1 0.1 % . 0.1 % . 1 0.04 % . . . 3 . 0.75 m 1.5 m1.5 m ( 1 mm ) . . , 10 M 10 kV(E
5、13 kV/m) . . U/d 1 % . . ( ) , . 1 % 0.23 m . ( , ) 0.5 m . . . (ground reference type) 3 . , (0.75 m) , ( 2 , 1 ). 1.5 . ( , ) . 6 % 3.5 % . 4 C IEC 60833:2006 . U/d 0.5 % . 5.3 I/E , . 4 . V Z , 2 . . 4 . . ( A , A.5) 4 . ( 4 ) . , . . , . , . . 4 . 3 % , 1 % . (lead) . . (4.4) . 4 . 6. 5.2 . . 5
6、5 % . 0.5 % . 10 5 % . . 33 100 % . . 5 C IEC 60833:2006 . ( ) . (harmonic content) ( 1 %). (harmonic) . 7. 7.1 . , / . / , . . A . 7.2 (3.3). . 02 m , . . . . , . . 2 m ( ). . ( ) . 3 % . . 6 1.8 m 1, 1.4, 1.6, 1.8 m . . 1.4 m 2 m 3 % . / / . ( 6 ). 0 6 . . . 6 . . 7.4 , 3 % . 6 C IEC 60833:2006 . . . / . , . . . . . ( ) ( .). . (4.3). 7.3 (sphere-plane) . ( A , A.8). . . . ( ) . (corona) 4 , . 30 % 3 % . ( A , A.8). , . / . 7.4 . 7.4 7 . . . 7 C IEC 60833:2006 . .