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在跟认证机构讨论条文的时候,产生争议% _; a' P( [- F; r5 h: A
, a9 `' f/ [3 H6 h' [8 e想请问以下条文该如何理解:1 D( G7 n* E2 ~
; ]& D8 P! c2 rLimits of a.c. output interference voltage
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The limits in Tables 1 and 2 apply.) K+ b6 y( U9 N% p2 j% G
! J2 N9 g0 x( P: t& u1 z% W) o( RAn allowance of +14 dB is permitted for conducted disturbances at the output of the UPS as
% |1 D( [" Q9 E* Dspecified in Tables 1 and 2, except for C3 greater that 100 A where no increase is allowed.4 n% a: _% Q6 h& _2 N- Z. T
' |4 E# [. Z+ { [; m5 [These limits only apply to UPS where the output cable, as declared by the manufacturer, in x: ]% j5 `! p, R. B7 w
his users’ instructions, can exceed 10 m in length.
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2 b% A* k* V i; l% {The values shall be measured using a voltage probe in accordance with A.2.3." s' A! T j/ g, w5 [# ~
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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。
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. m4 X" \5 Y$ W- Q9 N/ K测试限制值的部分:3 T- e' K. i- d" z" S) l
C3类大于100A的机器,限制值仍是使用表1和表2的限制。' k7 G) D& T) p: E- `* f
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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。" R9 C' i. y9 T; o1 L+ ]& k v: O9 A
/ H5 y! b0 ^7 O/ o, p f以上理解正确吗? |
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