|
|
请参考IEC 60950-1 clause 1.5.6:8 S4 J9 V2 U6 \. R, B7 h
A capacitor connected between two line conductors in a PRIMARY CIRCUIT, or between one line2 |; u! O) `) T0 c8 N) z" O
conductor and the neutral conductor or between the PRIMARY CIRCUIT and protective earth( Y9 \5 V! a, |9 v) H v" J
shall comply with one of the subclasses of IEC 60384-14 and shall be used in accordance
- F9 P* B# x q0 h4 ?with its rating. This requirement also applies to a capacitor bridging DOUBLE INSULATION or
% r. N, D1 ?. D+ V* x# m! SREINFORCED INSULATION elsewhere in the equipment. The details of the damp heat, steady
# [/ d9 E# ?2 m. g' ]* D7 ?4 t- [state test as specified in 4.12 of IEC 60384-14 shall be as follows:
& E0 _" l1 Z4 o0 J! D− Temperature: 40 °C ± 2 °C;4 A& `% ~. W) b, X. }
− Humidity: 93 % ± 3 % relative humidity;
) v& O3 L) k+ \" E( Z7 D− Test duration: 21 days.. Y, U$ ~; l% L" r8 O, v
NOTE 1 Capacitors that have been subjected to a test duration longer than 21 days are considered to have met! Z2 y. q- J. v( p& d
the test duration criteria.' j U! H9 E. W0 h+ X
The above requirement does not apply to a capacitor connected between a HAZARDOUS2 i7 h0 m/ [% a4 m. C- {6 ~
VOLTAGE SECONDARY CIRCUIT and protective earth, where only BASIC INSULATION is required.4 O7 [9 Q; v+ \. u6 D) n9 z! J2 n
NOTE 2 The test of 5.2.2 still applies between the HAZARDOUS VOLTAGE SECONDARY CIRCUIT and protective earth.9 q! \5 f! {. M3 r! c& T
The appropriate capacitor subclass shall be selected from those listed in Table 1C, according, W3 s N' D' k# q4 W
to the rules of application in the table.
% B& v' b9 J% B0 B5 O7 l' C" F表格不会贴，所以还是自己找60950的标准好好看一下 |
|
/1 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2011-5-16 15:51
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡
楼主
