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在跟认证机构讨论条文的时候,产生争议3 A8 P9 y; _3 M. k, ]/ N
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想请问以下条文该如何理解:( g! ~% {' w; z7 \5 L- @ g) c
: X& W5 C5 c8 A, L6 Y" S2 mLimits of a.c. output interference voltage
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The limits in Tables 1 and 2 apply.
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An allowance of +14 dB is permitted for conducted disturbances at the output of the UPS as/ C+ M8 K2 l/ J' P! d3 ^
specified in Tables 1 and 2, except for C3 greater that 100 A where no increase is allowed./ G2 y& }8 h9 C' [: n" ^
7 O( o3 V; x7 g( X4 z! X+ K& sThese limits only apply to UPS where the output cable, as declared by the manufacturer, in1 p. \5 N' |" ^+ @/ R3 O, ?
his users’ instructions, can exceed 10 m in length.
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/ ^% Y( X9 g- I1 ]# B8 ZThe 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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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。2 f) i* {( ^8 G7 L/ t7 o0 J2 q4 a
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测试限制值的部分:
) s& Z% C7 F3 [/ @) u1 AC3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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" B- q0 |* r3 R4 L其他类别C1或C2或C3类小于100A的,限制值可以放宽14分贝。% \( T: S! Z3 B6 l* P! U
0 w' Z; W C4 n6 p7 k以上理解正确吗? |
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