|
|
- i/ r/ S/ Q; j% S( v/ j: @) P% H, G+ [& ~& s
| Bonding impedance of P.C.E& P; `5 f5 t% c1 o
| 6.5.1.3
5 N6 z9 @' H4 ?+ ^! } | 61010-1(ed.1);am1;am2
# o" x; I2 I, [- G |
1 U# o; b0 X7 }2 J# }2 y
$ r% z9 R* I! ^! Q% a3 {Standard:
- D& K, b( t9 m" yIEC 61010-1:1990 +A1:1992 + A2' ]) L9 ~( b/ X. |, j
:19952 k" e; J" O$ ]2 ?, Q- A6 o& L! P
Sub clause:
+ B! m$ L- \1 h2 Z9 X; w0 t C6.5.1.3
6 N; f" C" ]2 L2 iSheet n. 3635 W( s6 E0 C' [# ?3 U, Q
Page 1(1)
5 h) o- a* v q& P2 @% DSubject:* |1 c! o& k/ B, W: o) U- W
Bonding impedance of P.C.E
I5 F% }, F% P. Z# }3 dKey words:8 w6 g7 G) Z, Q5 k* v
- Mains cord
, m# @7 c& x+ @( Z. X- f) [$ u- Impedance
+ I9 r' W" {0 z1 udecision taken by3 Y6 H' I. F/ q
ETF3 and confirmed
, t. F- T: l& S& Rby CTL at its 38th
; M- k1 ~0 d2 c/ E/ y& Tmeeting, in Toronto; J, r5 V7 e5 q) b4 \) u$ B, g8 b
Question:( V0 {" F8 M3 q' o/ k; h! r
1. This clause specifies that the mains cord impedance does not form part of the specified
/ y, }% B4 U3 W% ?5 V; Vbonding impedance. Dose this apply to cord connected products? If so, what about the
' |. V4 s3 ]7 U c8 vimpedance of the cord?" ~: I7 i, e* k5 d8 n4 W
2. Should the resistance of interconnection cable between units of a system be disregarded
9 Y; }1 J2 b4 olike mains cable?
1 \* |0 w( f% f* vDecision:
" P3 s+ h, d8 W+ E8 ~+ a3 o) N1.It was decided that the supply mains cord must be included in the measurement and that
7 h' V9 s/ ]" d4 i% R6 J% mthe total limit must not exceed 0.2W.+ A( ?" k$ x4 a& y% p' y' K6 V
2. Furthermore, other interconnection cables (if any) must also be included in the
: I+ |' A( V7 ^: J: P; K Gmeasurements.. W6 W: o- h1 S+ u$ S
8 g m$ b0 I# ?, S, F/ E( l W
- P1 J z4 T. w3 H6 \( X7 Q
; Y' z2 X, s8 ?( ]% x% b2 q |
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有账号？注册安规
x
|
/1 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2012-9-18 12:09
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡