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不知道LZ从哪里看到的这个条款?* S7 H0 {, t$ E& N
EN 60335-1:2002 27.5" z& X$ P' U5 J. ~
A current derived from a source having a no-load voltage not exceeding 12 V (a.c. or d.c.) and
1 \% Z* A8 A9 U. Fequal to 1,5 times rated current of the appliance or 25 A, whichever is higher, is passed
3 t. C. ^; z u4 Q* }1 Obetween the earthing terminal or earthing contact and each of the accessible metal parts* [* o: e; Q2 s" Q8 j; V5 I
turn.
2 I! L/ a/ u+ j1 H" V8 O: JThe voltage drop between the earthing terminal of the appliance or the earthing contact of the( ^8 P: A+ P5 J6 @' Y) B
appliance inlet and the accessible metal part is measured. The resistance calculated from
9 u0 J/ N, H2 J5 m3 J5 k- e2 V+ ~the current and this voltage drop shall not exceed 0,1 Ω.
1 P H' I# N7 N( t) w标准只是说从空载电压不超过12V的电源取得电流,电流值等于1.5倍的额定电流或者25A(取较大值).
" x' Z& p3 ^) \测试时施加的是电流,读到是是电压.通过计算能得到电阻..并不是同时施加电压和电流. |
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