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GB的不记得是否有规定了。0 S$ @2 g/ s7 `- v& ]
UL817和PSE的电安法里里有这种的1.2倍电压的说明。
6 N7 c: @3 B+ ?) F- A5 w是为了便于生产,以提高耐压参数测试来保证产品质量和生产效率。( M& q4 z A, s2 ?* |
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但是型式实验时是不可以用短缩法来测试的!
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/ H1 ~0 a( j$ ~ z0 Q8 C4 ?UL817
1 V' n% _( k7 S0 B1 _" e( KMANUFACTURING AND PRODUCTION TESTS. n: P5 @* V- K$ A& ~
104.1 Each cord set and power-supply cord shall be capable of withstanding without electrical- L! E) P( k, ^3 h% b8 @
breakdown, as a routine production line test, the application of a test potential between line conductors
1 o" c- }5 D# X7 A' Iand between each line conductor and grounding conductor, if provided, using one of the following
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a) A 1250 V a-c (40 – 70 Hz) test potential applied for 1 minute,/ r. f$ G: R5 Y% [) E. t8 c" h
b) A 1500 V a-c (40 – 70 Hz) test potential applied for 1 second,
- S& q8 Z' ]; C0 y- Uc) A 1770 V d-c test potential applied for 1 minute, or
0 j. Y7 T' s- I& b0 ad) A 2100 V d-c test potential applied for 1 second.
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PSE的参照省令第2项2 K2 G9 O( N2 G9 d; h. I
日文版的,没有COPY了。 |
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