|
|
标题没写产品类别，这是家电版块就按家电来看了。EN60335的附录A.2有要求（详细电压要求见附表）：
# w7 d4 Q3 l) L3 BA.2 Electric strength test
1 k- J( G5 U& `1 f2 }The insulation of the appliance is subjected to a voltage of substantially sinusoidal waveform 4 d# J+ F3 M3 s. s: y3 V% F) ~
having a frequency of approximately 50 Hz or 60 Hz for 1 s. The value of the test voltage and
8 ?3 K. L3 f4 r sthe points of application are shown in table A.1. $ p- b/ z/ r# M! K: Y1 s
NOTE 1 It may be necessary for the appliance to be in operation during the test to ensure that the test voltage is 8 H w/ I2 e/ }: t, _
applied to all relevant insulation, for example, heating elements controlled by a relay.
9 R3 v4 E- m, Y, mNo breakdown shall occur. Breakdown is assumed to occur when the current in the test circuit
( z9 ?) i' U* }; U; ?0 U7 V0 M0 g8 jexceeds 5 mA. However, this limit may be increased up to 30 mA for appliances with a high
5 O8 F2 \# `% w& Z. F% S5 c& Eleakage current.
* \$ v2 c6 j& R- s; M% i; gNOTE 2 The circuit used for the test incorporates a current sensing device that trips when the current exceeds 6 Y) t8 f2 v$ _; M
the limit. / q) \* Z- E- Q3 L& A4 g
NOTE 3 The high voltage transformer is to be capable of maintaining the specified voltage at the limiting current. 4 x9 v$ V( s6 K! O
NOTE 4 Instead of being subjected to an a.c. voltage, the insulation may be subjected to a d.c. voltage of ) p% K( l3 T' n1 m9 S" T9 h
1,5 times the value shown in the table. An a.c. voltage having a frequency up to 5 Hz is considered to be a d.c. 2 W! x. ]- r( X; A
voltage.% Q8 v, @9 E5 T) s. X& m' \* @! m
; Y$ f' h; f% P" N3 L
|
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有账号？注册安规
x
|
|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 2012-7-20 15:49
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
发表于 2012-8-20 21:07
