|
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
6 }4 c7 U8 U. n/ e: q; n+ }Table 61.11 Z4 v) @" ^# s Y4 m' W: f. B
Production-line test conditions
& J( O9 V3 L- T6 ZRating of
* a! M6 C( a& Rmotor
. t1 e2 O" ^6 s7 zemployed by
3 }8 A" r/ r% q4 f$ ]1 O' Bappliance,; d' g; x% `7 N8 G3 f# c* p( m
horsepower- n7 @7 b* G9 t- a
Condition A Condition B
3 s8 H0 i% E/ ?: i! |& G# xPotential, volts
' b$ q d# }1 F9 Q, u& lAC
2 X9 ]5 _: k( e/ @, HPotential, volts
# Q" J" X6 G* NDC
. m: c6 s ]/ E6 W( C. DTime, seconds Potential, volts
I. h# O, K, `. c# v8 cAC! S2 s0 \; U1 }3 z4 a/ }
Potential, volts
; t9 ?+ y, q# J$ D HDC
) q$ C# x, @& c+ yTime, seconds- q* y; T. h1 I5 _$ E
1/2 horsepower; m' w% u$ w$ f, J- ~0 |
or less
3 Y8 g* x+ J5 m# O% V1000 1400 60 1200 1700 1' k5 G9 {% `5 O) a0 O' ~' \
More than 1/2
! W2 {9 @' T4 I* p- I0 I% Nhorsepower
+ [# E# \" [4 D: t1000 + 2Va 1400 + 2.8Va 60 1200 + 2.4Va 1700 + 3.4Va 1: F# `+ X# v2 r' E
a Maximum rated voltage. |
|