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在跟认证机构讨论条文的时候,产生争议
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想请问以下条文该如何理解:3 {4 \- A! P" j0 n" h2 |
3 Q# e) v! j4 s# Z: HLimits of a.c. output interference voltage+ G- c: c( w5 H* H# t- Y9 b/ b
, \ K' ?& u7 Z! y3 M8 R5 L4 v0 \The limits in Tables 1 and 2 apply.
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1 }: N" q- `+ ^# g7 i/ S) cAn allowance of +14 dB is permitted for conducted disturbances at the output of the UPS as
& N0 }& C' h+ I% j$ Z& Z/ Lspecified in Tables 1 and 2, except for C3 greater that 100 A where no increase is allowed.8 r7 x/ y& H, ~8 `' f* ^+ U
1 @: y* i. G- U. n: fThese limits only apply to UPS where the output cable, as declared by the manufacturer, in
- F2 d- {$ R+ d- `+ D& V: c" Ihis users’ instructions, can exceed 10 m in length.
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The values shall be measured using a voltage probe in accordance with A.2.3./ Y5 V1 s- }: u% }- r, W) ?2 e/ Z
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我的理解是,1 M* Q9 ^. U W! N) u
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此项测试只有在输出电缆线,超过10米才需要进行,如果在10米内,就不需要测试。9 i6 D$ p$ r. t% d, \* D. R p% h
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测试限制值的部分:
; ~' o) y( L2 l4 O: D. vC3类大于100A的机器,限制值仍是使用表1和表2的限制。
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: a! ]! C# Z+ U6 O3 S9 K其他类别C1或C2或C3类小于100A的,限制值可以放宽14分贝。
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: c! x- y- Q9 d以上理解正确吗? |
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