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在跟认证机构讨论条文的时候,产生争议. D+ E$ r, O( J0 p X4 K" f7 D
# D+ j4 h) |7 O, o/ R* y7 Y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.
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An allowance of +14 dB is permitted for conducted disturbances at the output of the UPS as
, l5 q1 _) _, ?4 hspecified in Tables 1 and 2, except for C3 greater that 100 A where no increase is allowed." A5 U0 u% ]. `3 g5 K; ^; m
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These limits only apply to UPS where the output cable, as declared by the manufacturer, in$ f6 a) x( @1 x' m% _& T
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.2.3.4 w. ], u. s) C5 ]! }$ r
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我的理解是,. ~: l1 u2 b& o% F9 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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测试限制值的部分:
& K# S8 H# O8 @; YC3类大于100A的机器,限制值仍是使用表1和表2的限制。+ z! j1 x( x8 }7 P
/ L6 k0 s" T* I其他类别C1或C2或C3类小于100A的,限制值可以放宽14分贝。! f) X/ J0 s8 Q( U3 I9 n' s5 \* \
* R( a! P. ~& H' M以上理解正确吗? |
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