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请参考IEC 60950-1 clause 1.5.6:
' C) g3 @0 L$ ?3 w' R* t( }A capacitor connected between two line conductors in a PRIMARY CIRCUIT, or between one line
9 l9 m( j# W2 ]0 T( Jconductor and the neutral conductor or between the PRIMARY CIRCUIT and protective earth' E8 B% W( u+ {' i# }% o! U& l
shall comply with one of the subclasses of IEC 60384-14 and shall be used in accordance$ t0 V( w6 m, y$ `3 R4 d5 ?; |
with its rating. This requirement also applies to a capacitor bridging DOUBLE INSULATION or3 x9 \. f; |: G% w4 R
REINFORCED INSULATION elsewhere in the equipment. The details of the damp heat, steady
+ z2 Y( J6 l. q; ]state test as specified in 4.12 of IEC 60384-14 shall be as follows:4 f* |8 M& k$ Q" s2 y# G. f
− Temperature: 40 °C ± 2 °C;* s# A9 I( A9 w5 O7 T( m
− Humidity: 93 % ± 3 % relative humidity;
6 G% O$ Q% ^7 j− Test duration: 21 days.: F7 O9 K0 ?. h. |0 N8 t
NOTE 1 Capacitors that have been subjected to a test duration longer than 21 days are considered to have met0 o4 b+ B6 p2 ~* |" Q; K
the test duration criteria.
) l; }6 j0 A3 ]$ _: T5 gThe above requirement does not apply to a capacitor connected between a HAZARDOUS
, a, r# V( o# D- `# u) TVOLTAGE SECONDARY CIRCUIT and protective earth, where only BASIC INSULATION is required.( ], S: d6 L' [) S/ W/ g7 l, u
NOTE 2 The test of 5.2.2 still applies between the HAZARDOUS VOLTAGE SECONDARY CIRCUIT and protective earth.
2 p/ f" d n# {0 X! e4 L: AThe appropriate capacitor subclass shall be selected from those listed in Table 1C, according
& ]8 Q4 U3 S" ^! ~; jto the rules of application in the table.
, _; x3 p. R+ w( V4 q; w& k$ h* k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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