|
|
: [! P" W! H1 L8 I7 a ^
( _6 i: I/ ]* C# f; k( L- v DSH 363# F: P8 { \5 q! X/ M' h$ r1 v( p& `
| Bonding impedance of P.C.E& \" @* n: N L4 s5 x% \
| 6.5.1.3
' A' v: r7 e; m; H/ f5 X | 61010-1(ed.1);am1;am27 g5 f% h: `0 h5 p( O" G k+ x
|
' J5 K- _& \# ?6 x$ N* \4 y( @. k6 Y$ d' g0 m9 u4 M. ^! K7 k
Standard:8 x1 Z7 }/ a/ c# a7 G, X' z
IEC 61010-1:1990 +A1:1992 + A2# a0 s0 }$ X7 j) r \8 D
:19956 c, s! n; q0 o- Z
Sub clause:, \. z& N" Y" L6 ^8 `# U3 z
6.5.1.3/ H6 M( X- [/ ^- @* \3 k, I
Sheet n. 363
2 P' y; ?0 Q. ^. F* t: R* wPage 1(1)8 `. J0 I! ?! P% V/ z! \( l
Subject:! O. f0 I( p: f/ ?! e7 Q
Bonding impedance of P.C.E
2 Y$ ^+ a/ Z" C0 O, ^Key words:
0 }2 d- ?% g+ b& a- Mains cord
/ Q* { J* d I. \- Impedance. w4 s/ m; e# s; S7 `
decision taken by. g3 ?0 l) M1 a, O, U- H. r7 ]
ETF3 and confirmed6 |, @2 `- W8 y3 m9 A; z/ [
by CTL at its 38th
0 _+ ?' x+ P( b$ e+ S, N. e# umeeting, in Toronto
' A% D0 \3 b3 W g# T! T7 \Question:' u2 a* l, {5 C& _# z
1. This clause specifies that the mains cord impedance does not form part of the specified, G6 V+ @. t$ l/ c6 z+ a' ^4 T
bonding impedance. Dose this apply to cord connected products? If so, what about the
8 ]$ m3 H, V, t0 M# Dimpedance of the cord? e8 O$ l* Z/ O P
2. Should the resistance of interconnection cable between units of a system be disregarded
: T5 b& p$ C+ f6 `! z/ a6 ?like mains cable?
, T+ B3 @3 x( @) _Decision:
5 d$ f1 |. i( D1 V4 K: T1.It was decided that the supply mains cord must be included in the measurement and that5 R8 ?7 d- l( I1 P' f) o
the total limit must not exceed 0.2W.
% Q1 C" k/ {/ G! A. [2. Furthermore, other interconnection cables (if any) must also be included in the1 w& y/ F( n8 E5 B' s5 B
measurements.
8 [0 v$ F# b+ W5 m. a9 N2 O% e8 O
3 ?+ q' Z' q: [; x2 o. D2 D
2 |; j8 @; K f7 o; u
|
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有帐号？注册安规
x
|
/2 
|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
收藏
分享
好帖
鸡蛋
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡