|
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3 \4 H0 `9 K8 @, i& U# c! u) K
Table 61.1
0 y# p, w) u2 X4 Y+ M# {# H7 qProduction-line test conditions
7 D8 x& E# i2 q- [. r5 k# _1 ARating of. m/ z7 U. Z& ~& i9 }' A
motor# H1 A$ A- i) O
employed by
; G1 |6 B' p+ s: ]appliance,- X% x! _% J4 F- T
horsepower
; F( ~% q/ u% ~' @" ~Condition A Condition B; w O& I% c K2 E
Potential, volts/ E4 _6 N# S3 z* G; X# l
AC! P% _5 |8 L: z0 O
Potential, volts
/ ]# b+ w; _6 ~/ ~5 z/ eDC }7 @8 a! r+ V O3 H
Time, seconds Potential, volts
& \$ t# @8 U% A TAC
- E& ` A) T" M) ~) KPotential, volts* c; Y! c& a: E+ Z) m& ]0 a
DC
$ _/ p' ^4 c! _4 g: u' U) M2 xTime, seconds5 u$ E2 r0 L4 n
1/2 horsepower
7 B! J' p+ N9 ]! l) o+ S9 j/ N k3 ]or less( B+ N9 N, V" }6 L
1000 1400 60 1200 1700 1
3 @' \: K4 t& ?9 I: R7 {More than 1/2) w9 b2 a* U) V- W
horsepower: n+ A+ h% B. z; W& N$ _+ S% m
1000 + 2Va 1400 + 2.8Va 60 1200 + 2.4Va 1700 + 3.4Va 1' v+ U& u4 w" @9 b' z- v
a Maximum rated voltage. |
|