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圖片中的相關定義如下:8 U+ D9 t1 B( |/ r, f
. H3 A2 x+ @/ e8 Y% w- v" ^3.14- w/ [0 E9 k/ d N" `$ x
homogeneous field
% b" B" {& R& D! delectric field which has an essentially constant voltage gradient between electrodes (uniform field), such as that between two spheres where the radius of each sphere is greater than the distance between them2 _& u$ [! ]4 o! U1 Q
7 R+ R v$ U# u: s
NOTE The homogeneous field condition is referred to as case B.
0 I; F+ r8 S5 M, L; f5 B6 P3 Q: a2 F
3.155 M$ |& [+ x$ L N. [9 d! Z
inhomogeneous field' C- r( E- W# ~0 K4 ~' {
electric field which does not have an essentially constant voltage gradient between electrodes (non-uniform field)6 i" r4 |3 L3 b
[, @+ U& x2 D) u( ]
NOTE The inhomogeneous field condition of a point-plane electrode configuration is the worst case with regard to voltage withstand capability and is referred to as case A. It is represented by a point electrode having a 30 μm radius and a plane of 1 m × 1 m.6 c! M: E' n/ A
( G1 o2 x" ]. v! q
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发表于 2011-12-28 11:34
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不过不太懂这个标准