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引用第4楼wolfxu于2009-09-09 11:43发表的 :
& J0 U+ t' f2 i' _0 I楼主赐教:变压器的初级线圈到次级线圈的耐压是1500V从什么地方得出的? / I/ `0 ?/ _/ l* H6 n
! P) a: K+ I2 c* Y' T G. j% g/ s
Electric Strength Test 0 ]1 y! w5 s; _) b% m3 E! ?$ U
Based on Table-5B at IEC60950-1; v. x- B" ]6 F1 J3 t& L
ex. Working Voltage is 500 Vpeak* I% \/ x3 n1 n4 K! ^# t7 H
The Hi-pot Voltage for B/S is 1740Vac
' U' q, V H. EThe Hi-pot Voltage for D/R is 3000Vac * b3 @. h W+ ~, L* I* v
Based on Table-5DU at IEC60065
1 f3 u& X2 o' N8 v2 eex. Working Voltage is 500 Vpeak& `' D% r) i6 g/ w1 Z3 y" s2 r
The Hi-pot Voltage for B/S is 1735Vac
5 N6 K2 R/ p. p u+ U+ i4 U: ZThe Hi-pot Voltage for D/R is 3000Vac |
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