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A capacitor connected between two line conductors in a PRIMARY CIRCUIT, or between one line9 o7 ?- X* b/ p
conductor and the neutral conductor or between the PRIMARY CIRCUIT and protective earth+ q! Q+ y- h6 ~) ]
shall comply with one of the subclasses of IEC 60384-14 and shall be used in accordance
' H( g% |9 @: y- C) o+ [with its rating. This requirement also applies to a capacitor bridging DOUBLE INSULATION or, U2 e8 A+ A+ b/ M1 f! J9 C
REINFORCED INSULATION elsewhere in the equipment. The details of the damp heat, steady' R, g' [$ Z2 l, w! ], Z
state test as specified in 4.12 of IEC 60384-14 shall be as follows: V+ }' b: o ?! k7 P1 U
。。。8 h) ^ i: T" K" C# e
Rules for the application of Table 1C i$ K4 F( E% j/ m1 s5 H
1 Capacitors used to bridge BASIC INSULATION, SUPPLEMENTARY INSULATION or REINFORCED INSULATION shall be' s; J+ M# _, H* ^
class Y except that it is permitted to bridge BASIC INSULATION in a SECONDARY CIRCUIT by a class X capacitor.
! S8 j" y7 B; B3 }2 For a single capacitor bridging FUNCTIONAL INSULATION, BASIC INSULATION, SUPPLEMENTARY INSULATION or" [* L) O9 o; q- o
REINFORCED INSULATION, the voltage rating of the single capacitor shall be at least equal to the RMS WORKING
# |. y+ a+ E; r# t3 `3 W( L5 kVOLTAGE across the insulation being bridged, determined according to 2.10.2.2.
6 V: Q7 [1 m& Y2 R3 M. _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。+ K' h3 n5 ^: T! W) m p9 s( b6 d. p( [
0 t5 b2 X. M2 ?% l, E* C |
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发表于 2016-3-3 09:40