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2 m% \8 F, e. r; B5 V
+ B! `# d: h! A/ | | Bonding impedance of P.C.E
6 n# X! E2 N% D' I/ Q+ { | 6.5.1.3
) u; h9 G, z% ~9 w+ u7 C | 61010-1(ed.1);am1;am2- e, _) r. E/ J& n' B- v
|
9 |' h1 m# F0 v1 m* h* r; V
' x; \" a C) Z$ m. A
Standard:
. }) ^& q) a- _6 r: C# U) |IEC 61010-1:1990 +A1:1992 + A2
( T: A) o1 B) v c9 }! C6 m- V:1995: W9 U5 J" [3 Q% P7 M5 m4 t
Sub clause:% q( b7 @) _2 e" B: o# Z
6.5.1.3$ _% v1 Y: {! l; v- Z) s" {
Sheet n. 363
/ p5 ^* N- k! e5 g6 g. p( I$ dPage 1(1)
/ C9 _6 u! l; O0 [ g! |- zSubject:
) |9 r4 R1 l4 R! E6 _Bonding impedance of P.C.E
4 [6 k- ]8 a) L1 h- c( pKey words:7 Z7 Y1 z( J) C' G( K! r3 L/ \8 r! s
- Mains cord
$ ?+ p5 L1 T5 Z0 q' o- Impedance
( ~% K% X# m, P4 K% Ldecision taken by
. N# D( F4 R. G' p g2 ?$ k/ X, nETF3 and confirmed' D* W0 Z( _- E( [" T# h! ]1 y
by CTL at its 38th9 d/ U# @7 [! k7 W1 Y- L8 ]
meeting, in Toronto
3 A, p7 u- X7 s- ]4 @Question:0 I, \$ o- k9 |# b( E3 y$ o( a
1. This clause specifies that the mains cord impedance does not form part of the specified5 E2 A b# J& p7 [; v1 J* M
bonding impedance. Dose this apply to cord connected products? If so, what about the
9 m/ ^: Z- c7 V; k0 Y, a) p6 Kimpedance of the cord?4 R# D5 f( K: \3 U
2. Should the resistance of interconnection cable between units of a system be disregarded
; n$ _! Z+ H9 z8 D5 Q# v% olike mains cable?
+ \/ O) r- _/ ~& `# n# o8 UDecision:
) R0 v- i' e3 S, k1.It was decided that the supply mains cord must be included in the measurement and that" C. o/ u; I7 _% x
the total limit must not exceed 0.2W.
& Q$ l, w) F J8 O2. Furthermore, other interconnection cables (if any) must also be included in the7 e. _. V7 u) j
measurements.( Q6 {" O7 I( F
X) l/ l/ v" H y) r
. x* N; X) ~1 b9 ` }5 j2 r9 z
5 D# @1 d- C& U; C- J" }+ J7 w0 r |
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发表于 2012-9-18 12:09
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