|
|
A capacitor connected between two line conductors in a PRIMARY CIRCUIT, or between one line4 X) D9 s7 X2 G* e1 S7 G: @
conductor and the neutral conductor or between the PRIMARY CIRCUIT and protective earth5 v( W% l- b& m# W H6 s7 S
shall comply with one of the subclasses of IEC 60384-14 and shall be used in accordance
; z' ]' b& _& M/ c) N$ vwith its rating. This requirement also applies to a capacitor bridging DOUBLE INSULATION or2 g$ U7 q& g1 P
REINFORCED INSULATION elsewhere in the equipment. The details of the damp heat, steady" s& g0 \ ?* a v. G
state test as specified in 4.12 of IEC 60384-14 shall be as follows:& E2 D" y4 T) o5 k2 ~( @- C
。。。
3 \1 [% k. y4 URules for the application of Table 1C) x' Z9 v! P! Y6 |1 \* P" H9 `3 f. V. `
1 Capacitors used to bridge BASIC INSULATION, SUPPLEMENTARY INSULATION or REINFORCED INSULATION shall be1 I' T. ^& I* }2 w% b- Y
class Y except that it is permitted to bridge BASIC INSULATION in a SECONDARY CIRCUIT by a class X capacitor.& U2 q3 N' h% M: y+ }9 f3 y
2 For a single capacitor bridging FUNCTIONAL INSULATION, BASIC INSULATION, SUPPLEMENTARY INSULATION or
, Y8 D6 y; s6 BREINFORCED INSULATION, the voltage rating of the single capacitor shall be at least equal to the RMS WORKING) ]! X2 ?1 c' q+ I) G& ]/ }
VOLTAGE across the insulation being bridged, determined according to 2.10.2.2.8 ]. r R* H+ B* I1 _
这里强调的是L与L之间，L与N之间的绝缘是功能绝缘，而不在于电容前端是否有电阻，所以我个人认为嘴跨接在L与L之间或L与N之间的电容仍然是安规电容，需要符合IEC 60384-14的要求。
7 H+ U, ?& i# C: \
% E* x# x2 j. Z% m+ l |
|
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 )
窥视卡
雷达卡
楼主
显身卡
发表于 2016-3-3 09:40