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|  DSH 284
8 w' h/ ?" W& X8 t8 j( s x) Q( B0 y6 Y4 Q% {0 L6 Z
| Power limiting protection: @. R. j4 h5 h- r# W& S- h$ f7 M
| 7.1, last paragraph( ]* p2 c1 M: ?* Z
| 60065(ed.5)
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Standard: IEC 60065 Ed. 5 Clause: 7.1, last
6 a8 h; I7 y+ | N" z5 |paragraph" y$ k/ f' ?/ V2 G9 n' w* Z
Sheet n. 284( W* B3 h+ _ ~% R% \
Page 1(1)+ I [) G9 n: o0 U# o' P" e: A
Subject: Power Limiting Protection Key words:, Q5 f/ Z3 J. l' s* D
- Fuse-link' d* Z+ n v8 |! s8 W
- Fusing resistor1 n+ _( }( q( [8 |
- Thermal release
% I6 [7 e/ h( ` pDecision n. 23/36
# e* I% p5 f V9 J3 `' ?- K1 @" dtaken at 36th
, j' o P2 h( l+ L: Hmeeting/1999
/ p+ P* P# Y! A* T; D- l' e% nQuestion:
: Z2 E- s6 \0 D4 CDoes the wording:
- H+ Y0 @/ _& H3 B" \; y, I"Fuse-links, fusing resistors and thermal releases affecting the safety of the apparatus
5 ^$ B$ w( N/ T R' s6 L! P! D' {9 a7 ~shall not operate during the test"* ~$ n& e0 n2 z' B, G
mean that:
/ p/ t6 k$ o2 k; m& F% u% Oa) if a fuse-link, fusing resistor, or thermal release operates during the test, it shall be( z/ C' m$ k9 Q, U. a
defeated and the test continued.
* |0 E% ?0 G; ~9 J0 M0 Qb) In amplifiers, electronic protection circuits activated by voltage, current, or temperature# V3 M1 M; m2 E( K: q" o
sensing shall be defeated if they operate during normal operation ( 1/8 maximum output)
* x- C6 s# h/ C0 H; O: t4 w fDecision:$ l5 p) L7 G# c# q/ M$ H8 f8 ?
In amplifiers, electronic protection circuits activated by voltage, current, or temperature7 o& ?7 Z3 a# H" j5 L. ~
sensing shall be defeated if they operate during normal operation ( 1/8 maximum output)0 q9 r2 N* [# _! J4 S
" If a fuse-link, fusing resistor or thermal release operates during the test which is under; L% G+ b& x) o, {
normal operating conditions than the equipment does not fulfil the requirements."
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