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A capacitor connected between two line conductors in a PRIMARY CIRCUIT, or between one line
! ~% q- C9 d5 P( e# M" l& D' P) Jconductor and the neutral conductor or between the PRIMARY CIRCUIT and protective earth, V3 O3 |. p- k* x3 o
shall comply with one of the subclasses of IEC 60384-14 and shall be used in accordance' S) q- i4 [# A, a8 S. V' J! G3 ^
with its rating. This requirement also applies to a capacitor bridging DOUBLE INSULATION or
1 l& _- o8 ^$ W6 u; _& ?) I7 ?REINFORCED INSULATION elsewhere in the equipment. The details of the damp heat, steady) x/ K- M+ e8 |0 p/ Q
state test as specified in 4.12 of IEC 60384-14 shall be as follows:
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, D: P" |* ` w2 \Rules for the application of Table 1C
+ `' Q0 A- {& x+ t1 Capacitors used to bridge BASIC INSULATION, SUPPLEMENTARY INSULATION or REINFORCED INSULATION shall be g; u# C E5 M
class Y except that it is permitted to bridge BASIC INSULATION in a SECONDARY CIRCUIT by a class X capacitor.
0 c. z" @$ t2 ? P! j' h( y/ F. j2 For a single capacitor bridging FUNCTIONAL INSULATION, BASIC INSULATION, SUPPLEMENTARY INSULATION or
l( a$ g& b8 G4 t: n7 U9 X- vREINFORCED INSULATION, the voltage rating of the single capacitor shall be at least equal to the RMS WORKING
2 R' y i! K* ^2 Z+ x: s) `VOLTAGE across the insulation being bridged, determined according to 2.10.2.2.* @7 j: u9 M6 E) t/ Z, B
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。& c# c/ a6 ]7 g2 t* M" s
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发表于 2016-3-3 09:40
