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|  DSH 284! L1 n8 i9 k7 B! _
0 _" G- E4 c* {2 `1 d8 ~* E | Power limiting protection" Y4 |3 \9 [/ P
| 7.1, last paragraph8 z3 [) V4 e" [" g8 R( N8 |4 T
| 60065(ed.5)
) l2 k/ o; |8 j" h5 P6 x) j# F |
( F0 J4 y8 B3 s$ e6 p. S9 f: K, s
Standard: IEC 60065 Ed. 5 Clause: 7.1, last, X$ k7 L7 U9 ]0 ?6 ^% k, V
paragraph
* p4 N$ _" }' d7 @8 U3 YSheet n. 284
# `3 z0 k' A. T6 C9 \Page 1(1) b V5 s; r Q% e5 D& e9 I
Subject: Power Limiting Protection Key words:) f0 ?1 W9 W w
- Fuse-link
7 s2 w' Y6 R+ @. K# C6 e: X- Fusing resistor* `% x) x1 h H% a
- Thermal release
8 Y% s9 R/ ~: Q# kDecision n. 23/36& N/ R! o. @ B7 Q) @& M8 u
taken at 36th
/ W/ h! l) ~) k( x, q; L# m2 q1 ?meeting/1999
/ e5 G9 w3 y. p' `Question:9 ~% f* B$ V; X2 a
Does the wording:
y0 ~2 i @) X" w$ N* k' `0 r"Fuse-links, fusing resistors and thermal releases affecting the safety of the apparatus7 E' u7 R8 t- O" x) a$ |( g, x& }+ _
shall not operate during the test"
8 e) K0 I8 ?7 ~4 Z: Dmean that:* [% |& p. J+ t; I6 q" H4 p
a) if a fuse-link, fusing resistor, or thermal release operates during the test, it shall be
. R4 t$ r5 h% _. K( _" \0 udefeated and the test continued.; v9 \ c& l$ Q* E
b) In amplifiers, electronic protection circuits activated by voltage, current, or temperature
1 Z( O2 s( B' M+ N/ S gsensing shall be defeated if they operate during normal operation ( 1/8 maximum output)
( G& n% I) H; ?, @& {2 Y+ K5 u4 NDecision:* t" s7 i0 O. D/ I; v! f
In amplifiers, electronic protection circuits activated by voltage, current, or temperature
( e$ n8 {/ U# |+ G- W, F( m( ]sensing shall be defeated if they operate during normal operation ( 1/8 maximum output)
4 o4 R8 \% u' x& A" If a fuse-link, fusing resistor or thermal release operates during the test which is under
9 P$ T% L: H, y8 l6 B+ Wnormal operating conditions than the equipment does not fulfil the requirements."# O9 T+ B5 ^; {/ |0 b
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发表于 2012-11-8 19:15
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