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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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- u4 L5 {6 z& D1 P" p% c2 K `想请问以下条文该如何理解:# x' E8 O. T) k3 U1 D) z" A. J5 K
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Limits of a.c. output interference voltage% g9 @3 S% _4 |$ c/ A. Z! a
" }4 r, @1 T4 d" t$ lThe limits in Tables 1 and 2 apply." ]0 D: @( ~* F/ N# T$ X
" A: }6 u; C2 v! l+ gAn allowance of +14 dB is permitted for conducted disturbances at the output of the UPS as
6 V+ c+ N- j# b! e8 ^5 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
" B4 w$ Q* E7 X0 a/ S7 Ahis users’ instructions, can exceed 10 m in length.
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% {7 U8 x: _) f0 r& z* YThe values shall be measured using a voltage probe in accordance with A.2.3.
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我的理解是," s, O A% j# X
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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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# ?" E& F f' ^) x v测试限制值的部分:
* K+ X8 `( c3 C. m* ^+ qC3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。% l: I8 g# C M
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以上理解正确吗? |
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