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标准UL 60950-1 第2.10.2.1章节 g)条有对工作电压的确定做说明: B* B4 X- I: @5 y" x, C- j
The WORKING VOLTAGE between any point in the PRIMARY CIRCUIT and earth, and between
) P! Y- l, f K- hany point in the PRIMARY CIRCUIT and a SECONDARY CIRCUIT, shall be assumed to be the
x4 N' U7 p8 o# d8 ggreater of the following:3 [$ k2 y6 j9 E! h
– the RATED VOLTAGE or the upper voltage of the RATED VOLTAGE RANGE; and
) B. t) a$ u% I! M: s T& A7 B! L0 e– the measured voltage.1 J) _& G, e7 r) i% P9 b) M9 u
是额定电压或电压范围的上限值和实际测试的工作电压做比较,较大者为此测试点的工作电压。所以一次侧到接地金属至少为额定电压或额定电压范围的上限值。然后根据这个情况取值再去查表。 |
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