|
| DSH 494
; C _* S, t. I" e: s5 k9 H" S# Y" S! I. ~! J" z
| Construction
% e* k! ]8 A' I | 22.42# k! z/ F5 Y( u8 x4 X# t" J% D# h1 Z
| 60335-1(ed.3)
5 T7 w) ^0 i6 |3 k; u |
& v4 ~* k+ y* e/ M1 QStandard: IEC 60335-1:1991, 3rd Ed.& o6 u7 ]! f' {' \, B) v, Z
Sub clause: 22.427 f# z5 q# d% u- r/ D/ x
Sheet No. DSH-494, ]$ K. c, s4 S/ t- U/ Q# ]
Subject: Construction& [3 O g' G* y$ n; J g
Key words: - Protective impedance - Y1 capacitor; v h* W6 \1 o, c* F0 i( m. }
Decision taken at the 40th CTL meeting 2003
/ |# V! t1 ]8 F3 CQuestion:6 Z# ^& f0 `% s6 ^
Can a capacitor be used as a protective impedance?
0 ~" o0 |* q4 v# `1 [Rationale:
* V2 ~, @! {! I& l$ T: oSee question.
& ~; e! P6 |; W5 f$ ~1 [ P6 ?Decision:- ?3 r' N' E# K: B: \( v: B0 ?7 a
A single Y1 capacitor is not allowed as a protective impedance.$ Q! V/ K3 t6 L4 ^% M4 V* v3 H
8 r1 z" o, W1 x. F
; \0 E, v5 D! x1 y7 G4 i" j" x; C |
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
|