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A capacitor connected between two line conductors in a PRIMARY CIRCUIT, or between one line( j9 X/ F. ?; d9 W' b0 ~
conductor and the neutral conductor or between the PRIMARY CIRCUIT and protective earth
' S. f# ~/ D* f! V+ bshall comply with one of the subclasses of IEC 60384-14 and shall be used in accordance7 x+ g- Y0 m( U# ]7 ~4 e
with its rating. This requirement also applies to a capacitor bridging DOUBLE INSULATION or
P# e- a9 C D, t7 ZREINFORCED INSULATION elsewhere in the equipment. The details of the damp heat, steady& S" k( Q+ N+ I
state test as specified in 4.12 of IEC 60384-14 shall be as follows:+ L2 F5 t8 {+ ]3 U' J% c! g1 ^( z
。。。
) _ \: B! S* R: `+ H9 t( U; ZRules for the application of Table 1C
& Y* X4 E# ~# s( D5 e1 n1 Capacitors used to bridge BASIC INSULATION, SUPPLEMENTARY INSULATION or REINFORCED INSULATION shall be6 R4 M9 z6 @: Z/ g
class Y except that it is permitted to bridge BASIC INSULATION in a SECONDARY CIRCUIT by a class X capacitor. R* R! w+ @6 {
2 For a single capacitor bridging FUNCTIONAL INSULATION, BASIC INSULATION, SUPPLEMENTARY INSULATION or
+ M5 o! q. c3 R9 CREINFORCED INSULATION, the voltage rating of the single capacitor shall be at least equal to the RMS WORKING
) a Y: d9 J4 g! v2 iVOLTAGE across the insulation being bridged, determined according to 2.10.2.2.8 t. E9 L/ g/ b" @ b# ~. S
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 }! ?! j, w$ @ ]2 ?% f% [+ U* u) t8 a: }, ?' _: ~0 W
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