|
请参考IEC 60950-1 clause 1.5.6:# C* L8 @( I- c% r$ e
A capacitor connected between two line conductors in a PRIMARY CIRCUIT, or between one line5 [7 e' p' m, L7 o B* P
conductor and the neutral conductor or between the PRIMARY CIRCUIT and protective earth
: {7 f% I* \- |4 ^3 y9 ~$ ?shall comply with one of the subclasses of IEC 60384-14 and shall be used in accordance
( G1 R( g5 x7 i% L0 x9 C9 }5 Owith its rating. This requirement also applies to a capacitor bridging DOUBLE INSULATION or
+ a; ? C- M: s* i, vREINFORCED INSULATION elsewhere in the equipment. The details of the damp heat, steady' o; ^- @) o9 g; q8 ~- g
state test as specified in 4.12 of IEC 60384-14 shall be as follows:: [( |) Y& B2 {! B% Q
− Temperature: 40 °C ± 2 °C;
+ T1 ]; M6 i$ w2 H1 p− Humidity: 93 % ± 3 % relative humidity;
" ]0 V0 t% C; }# W− Test duration: 21 days./ C! v5 D+ p( I; F
NOTE 1 Capacitors that have been subjected to a test duration longer than 21 days are considered to have met* ~4 q9 N! C* x% a
the test duration criteria.
+ l# p ^ ^8 S' [; S1 WThe above requirement does not apply to a capacitor connected between a HAZARDOUS8 ]0 u/ x, }$ i7 z: n. R4 a4 t
VOLTAGE SECONDARY CIRCUIT and protective earth, where only BASIC INSULATION is required.2 O& g" J5 V# [9 ], w# J* Y
NOTE 2 The test of 5.2.2 still applies between the HAZARDOUS VOLTAGE SECONDARY CIRCUIT and protective earth.9 P4 {, S7 y6 o+ o+ g4 r9 J
The appropriate capacitor subclass shall be selected from those listed in Table 1C, according
+ L) J8 B9 ~" y7 N9 n" w1 tto the rules of application in the table.! N+ q8 `7 o0 I+ V) E z
表格不会贴,所以还是自己找60950的标准好好看一下 |
|