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不知道LZ从哪里看到的这个条款?6 [( _4 A; O. Z& x Z
EN 60335-1:2002 27.5" T3 K4 X+ y# {2 o. O( |) Q
A current derived from a source having a no-load voltage not exceeding 12 V (a.c. or d.c.) and
6 j/ j+ Y7 Z7 {0 d. Mequal to 1,5 times rated current of the appliance or 25 A, whichever is higher, is passed3 l2 @0 X. A! V
between the earthing terminal or earthing contact and each of the accessible metal parts" s! y, J- ~ [; y( M
turn.
" z% {# F: S9 ^The voltage drop between the earthing terminal of the appliance or the earthing contact of the+ i, ^6 T1 [5 _; X. I) n- y
appliance inlet and the accessible metal part is measured. The resistance calculated from
, x3 F U F' E" ^4 H' d! z* mthe current and this voltage drop shall not exceed 0,1 Ω.
3 Z9 k, E- x2 e" i2 a, E+ @( p5 f m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).
, [$ O% |. k, r; d8 }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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