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在跟认证机构讨论条文的时候,产生争议' C: d. I2 d- @5 W
& c& {0 b) [4 D; m, k/ F* ~5 q想请问以下条文该如何理解:
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: Y, O( X: O, U* _: i" s! VLimits of a.c. output interference voltage1 g, Y' f# W* L* h P# O- @
& x. [2 I7 F* Y" C; [The limits in Tables 1 and 2 apply.
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. z# w; \& [4 w" i& hAn allowance of +14 dB is permitted for conducted disturbances at the output of the UPS as
$ |4 p9 C3 }( q4 g! q7 T8 s5 Gspecified in Tables 1 and 2, except for C3 greater that 100 A where no increase is allowed.4 X; X6 y8 p2 f6 o
, T* s" B X: WThese limits only apply to UPS where the output cable, as declared by the manufacturer, in! y' E" |/ _! c/ Y
his 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.) Q( ^) j$ v* M) a6 ~
) t( k. i4 s/ B9 f- D* K我的理解是,+ q- v& Q2 c; w- m- B5 E4 k
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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 o2 y U9 B$ N0 A, q, O
: ^/ S2 b9 F9 |% a测试限制值的部分:
; @% |3 D6 v7 j: N8 T4 {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。( ~8 @4 N( j+ ]7 W
* ^; ~9 Y, X! }7 M0 k以上理解正确吗? |
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