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A capacitor connected between two line conductors in a PRIMARY CIRCUIT, or between one line2 r- a+ x2 ^1 l/ n
conductor and the neutral conductor or between the PRIMARY CIRCUIT and protective earth
. A# ~- h |1 z7 R f( Ushall comply with one of the subclasses of IEC 60384-14 and shall be used in accordance# O6 n4 I! X: y
with its rating. This requirement also applies to a capacitor bridging DOUBLE INSULATION or7 z N; L1 a( q
REINFORCED INSULATION elsewhere in the equipment. The details of the damp heat, steady6 k3 {0 H# Q$ ]. l2 g) v; {
state test as specified in 4.12 of IEC 60384-14 shall be as follows:7 R) ]$ a. r! o! g# G! D
。。。
% C C2 Z, A; A* t6 ^Rules for the application of Table 1C
! [, o+ p+ m% B* A6 ?$ q1 Capacitors used to bridge BASIC INSULATION, SUPPLEMENTARY INSULATION or REINFORCED INSULATION shall be, K- g/ f5 L4 S
class Y except that it is permitted to bridge BASIC INSULATION in a SECONDARY CIRCUIT by a class X capacitor.# Y& R, B6 I' I. u5 i! q, l* h% E4 z
2 For a single capacitor bridging FUNCTIONAL INSULATION, BASIC INSULATION, SUPPLEMENTARY INSULATION or
/ K( j8 P4 V; V1 b8 j. pREINFORCED INSULATION, the voltage rating of the single capacitor shall be at least equal to the RMS WORKING
, @7 c6 x7 w* [- @& p6 _. ^& qVOLTAGE across the insulation being bridged, determined according to 2.10.2.2.
( r8 W6 O& V) C O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。4 p' d+ U! D, J- i& q: ?
2 C6 i* k0 z6 ?( N |
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发表于 2016-3-3 09:40