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请参考IEC 60950-1 clause 1.5.6:0 G( Y$ m& I8 C/ I
A capacitor connected between two line conductors in a PRIMARY CIRCUIT, or between one line
4 r: J* S$ ~7 C+ Qconductor and the neutral conductor or between the PRIMARY CIRCUIT and protective earth$ \9 F/ w3 _# B5 @
shall comply with one of the subclasses of IEC 60384-14 and shall be used in accordance0 P& b: o# N* _3 z
with its rating. This requirement also applies to a capacitor bridging DOUBLE INSULATION or
0 n9 e/ P q- S" WREINFORCED INSULATION elsewhere in the equipment. The details of the damp heat, steady
/ T7 D- x% {; a3 c) I: b7 T7 v7 ~2 kstate test as specified in 4.12 of IEC 60384-14 shall be as follows: |: y0 _' C0 e- ]2 @" W. k
− Temperature: 40 °C ± 2 °C; U9 [" q; O d+ M) L( ?4 g" K
− Humidity: 93 % ± 3 % relative humidity;' {0 r) V }% Z* @
− Test duration: 21 days., ]3 w4 K; \. C9 R* v: f
NOTE 1 Capacitors that have been subjected to a test duration longer than 21 days are considered to have met0 A. s, } V2 E
the test duration criteria.
) N$ n4 H: O% d1 l3 ^" nThe above requirement does not apply to a capacitor connected between a HAZARDOUS
1 O8 K1 Y, y8 ~, j/ D9 x3 wVOLTAGE SECONDARY CIRCUIT and protective earth, where only BASIC INSULATION is required.
! @% S1 K9 _# B ^. _! VNOTE 2 The test of 5.2.2 still applies between the HAZARDOUS VOLTAGE SECONDARY CIRCUIT and protective earth.
- B6 r! U9 K( u+ j0 HThe appropriate capacitor subclass shall be selected from those listed in Table 1C, according
$ Q. G& T% ]8 r( W4 d( hto the rules of application in the table.
5 `, E( F6 t) w表格不会贴,所以还是自己找60950的标准好好看一下 |
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