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在跟认证机构讨论条文的时候,产生争议5 j7 r' D2 B ]2 E0 C' H
+ V. N; g4 M4 [; s想请问以下条文该如何理解:
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Limits of a.c. output interference voltage
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The limits in Tables 1 and 2 apply.: P$ ]" ?3 U* @2 y3 ~6 N5 q
) i" j' A: s3 |An allowance of +14 dB is permitted for conducted disturbances at the output of the UPS as
: E* N5 e* h# S5 s, R- _+ aspecified 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, in0 E9 R$ x- R0 k, i: u& X2 O
his users’ instructions, can exceed 10 m in length.! ]9 ? ?6 u8 r
# ^! Y6 K5 Y, D" t" vThe values shall be measured using a voltage probe in accordance with A.2.3.4 B: V e1 S9 ~ c, O6 T
6 T W; H2 U) H7 @; r U+ Y我的理解是,
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1 j# H4 l/ z4 i1 r {" k* R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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5 i" k) E0 x& L1 V测试限制值的部分:
( \* e# }4 X3 E. O) _$ F" Q+ g+ cC3类大于100A的机器,限制值仍是使用表1和表2的限制。6 } r' P, x0 U3 l
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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。$ k! M+ ~' `6 [
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以上理解正确吗? |
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