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其实UL的HI-POT TEST的电压要分产品的, 不能一概而论, 而且即使是同一产品, 其耐压测试也有几种方式: 以UL982为例:如下所示5 b' |) Y: m4 f) E! \; U
Table 61.1: V" t. s- t+ y( x+ p
Production-line test conditions
, K0 x0 m n! L' C5 Y9 `3 rRating of
- [7 {3 o. N& ^# J! I9 b. Omotor+ Y4 M, G$ R, w
employed by# v5 l Y5 Z3 f5 m! I0 u/ F( I
appliance, P1 ]- M2 E9 w y* v
horsepower0 d! k, V8 g. H2 o, A, V
Condition A Condition B0 {, ]) p4 L7 z. y+ n9 Q: ~" d' h+ A
Potential, volts- W# x! }- q! [) o3 P
AC( N3 O$ x# D# ~" s
Potential, volts
# z# x% Q! w+ }DC
w% o, f$ o! w1 f5 X& |Time, seconds Potential, volts
7 @0 r5 A' ]4 Z* ]6 |, K7 xAC' K: M* j# \9 H
Potential, volts
: C* X* C3 |2 r0 k/ I. T# zDC4 e5 M d: b6 k4 o4 |" c
Time, seconds
) q K. B0 ?! Q; z& }& n1/2 horsepower
" Q" C( C3 X: N" J' z" O% dor less
% R: S, r: m; L/ N9 t& q1000 1400 60 1200 1700 1) S& J6 U0 t: M# L: i; o% G4 t+ S( k
More than 1/2
0 y4 z' u! f1 Shorsepower
6 D+ O% f7 ~! w* H Z1000 + 2Va 1400 + 2.8Va 60 1200 + 2.4Va 1700 + 3.4Va 11 G. O r# r: s1 y$ w
a Maximum rated voltage. |
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