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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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. Y9 q# v3 Z+ H8 J% J- k想请问以下条文该如何理解:
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/ a# w3 Z/ m) p" jLimits of a.c. output interference voltage1 s5 t: r) f5 z
" x p& }0 }, b8 y; fThe limits in Tables 1 and 2 apply.
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. `7 W7 c1 j+ b% hAn allowance of +14 dB is permitted for conducted disturbances at the output of the UPS as
^7 l3 }4 x2 yspecified in Tables 1 and 2, except for C3 greater that 100 A where no increase is allowed.
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These limits only apply to UPS where the output cable, as declared by the manufacturer, in
2 [( }* }" m4 b) Y+ Zhis users’ instructions, can exceed 10 m in length.
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& l! T7 R3 y$ Y. V5 H5 _1 \' L3 B' nThe values shall be measured using a voltage probe in accordance with A.2.3.
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我的理解是,
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, R" H; y; p, A2 ^0 H+ W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。
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测试限制值的部分:4 A; ~. }, D" c& v
C3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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其他类别C1或C2或C3类小于100A的,限制值可以放宽14分贝。( j9 d0 D+ o9 e
! _7 ?: C$ o m; |以上理解正确吗? |
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