|
在跟认证机构讨论条文的时候,产生争议
4 k1 S8 ^6 ^% T6 Y7 c0 ]7 ~1 i" {( d5 i. a
想请问以下条文该如何理解:+ I. J! K. }( S5 H# W
# V+ ~! Y. T7 M# A% U; nLimits of a.c. output interference voltage% M+ p+ N8 `% g" j1 O6 c$ N" C; c/ }
, u7 c" s' H. Y/ Q: e3 |, s( |The limits in Tables 1 and 2 apply.! P/ q$ B y0 o1 R' M
! L, {4 \) `* y! d. T8 v3 s
An allowance of +14 dB is permitted for conducted disturbances at the output of the UPS as
, V" C! s: E# C% Sspecified in Tables 1 and 2, except for C3 greater that 100 A where no increase is allowed.) E+ x4 B! e6 o' G
; b1 z& N; T% G5 y3 h- G1 J
These limits only apply to UPS where the output cable, as declared by the manufacturer, in
2 _$ K- k* t$ [- Khis users’ instructions, can exceed 10 m in length.9 a7 j+ N- _! d
* _9 D# C# o. H5 e, N
The values shall be measured using a voltage probe in accordance with A.2.3.& P1 P6 V" V$ X! X- s
/ t5 \! U" n" B+ g
我的理解是,
& M1 p( g. K/ I2 ^7 o) o+ x d5 I6 J0 \
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。* d: I" W4 t+ o( s# a6 ?
& c- N: k1 B, S* F; v3 A
测试限制值的部分:
) h: Q4 u3 s& F6 o! J/ QC3类大于100A的机器,限制值仍是使用表1和表2的限制。
/ q: W9 n: u u- C
5 ^' [8 h0 p N7 r0 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。
0 Z' O, {7 [; h1 Y* j% s
8 y8 M3 E: _* I( U) U以上理解正确吗? |
|