|
在跟认证机构讨论条文的时候,产生争议
! u% R( K( p. m7 t4 D0 S; V; y9 u* ]4 j. V* S" T% n& z# x) N
想请问以下条文该如何理解:
& k2 [, E- U8 @ B% Q' R% a; t6 K# T! w4 N. c0 j7 H0 D2 Q
Limits of a.c. output interference voltage
' j4 {: l) }6 h+ Q4 d! `: `$ o$ f. N0 v
The limits in Tables 1 and 2 apply.8 M- @1 O$ P% _- w! T) i8 f
9 K5 O/ J" I! f7 DAn allowance of +14 dB is permitted for conducted disturbances at the output of the UPS as
7 A4 M7 G9 L) S+ z* L7 w# zspecified in Tables 1 and 2, except for C3 greater that 100 A where no increase is allowed.
8 C8 Z, Q) B3 T4 k, {. p" e% X0 j3 B2 F. n( S
These limits only apply to UPS where the output cable, as declared by the manufacturer, in3 A/ K0 V' C6 \4 b% r# n8 J
his users’ instructions, can exceed 10 m in length.
9 K9 `0 d' G; m' q& c" p/ V! M! {& O+ q$ G8 w5 l' X6 W
The values shall be measured using a voltage probe in accordance with A.2.3. q( o z4 i5 _) U
. s5 }! T% E2 z' P/ c
我的理解是,2 y5 I. f/ G' }5 L8 w2 l. P' {
$ c' B: X6 B+ r6 L
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。
: z8 M5 |1 a* h+ z4 ^! p) K% H) G& j" [' u2 h' M9 \/ L* t
测试限制值的部分:
i9 z/ ?) r+ E& F. Q7 t: |C3类大于100A的机器,限制值仍是使用表1和表2的限制。
2 Y4 p; _& |& H/ y# J% B
4 O3 d1 G! `3 ?( b( U& M其他类别C1或C2或C3类小于100A的,限制值可以放宽14分贝。
; u3 _3 u5 v5 D5 u ^) W) j' J+ ?8 R8 H, g/ o
以上理解正确吗? |
|