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|  DSH 2845 L4 q4 G; r* g; j; r
# g f) ~- I* y" S% j# Z f4 K0 F5 S
| Power limiting protection
0 O7 O5 [ B: k. _ | 7.1, last paragraph
5 S* ~' h# T$ T) G# j; w | 60065(ed.5)
: A" I( ^# r; G7 u4 v* k2 W |
9 u" M* Y- `8 R& Q+ w, G% s5 }Standard: IEC 60065 Ed. 5 Clause: 7.1, last
k* e+ h/ ^/ g5 z; zparagraph/ ?. O* }7 q" ?' n; R
Sheet n. 2846 e+ Y$ |% X( [2 G/ a5 ]; b
Page 1(1)) D9 H0 w6 _+ ?7 l! J
Subject: Power Limiting Protection Key words:
6 {+ O8 Z0 \0 l- Fuse-link+ ^4 g5 E/ W I0 M! u: `
- Fusing resistor7 _/ u- n9 u5 R# Y$ Z6 \' P. Y2 f
- Thermal release
1 {9 E* Q& a; h( N- o9 R+ {7 sDecision n. 23/36
k4 G! f; B, H4 b5 X# m5 {taken at 36th
/ ^* S% S$ B, P: X: {, Mmeeting/1999
: b: j9 F& D; J- V& n5 b# U* F/ |9 yQuestion:
) }3 M& v0 Y) x4 p, VDoes the wording:
( G: V9 o5 D/ e"Fuse-links, fusing resistors and thermal releases affecting the safety of the apparatus# x2 Z E" `4 H% ^. T8 @
shall not operate during the test"
3 e. x5 E5 h8 i9 `mean that:2 r; d! T" I* T4 T5 e
a) if a fuse-link, fusing resistor, or thermal release operates during the test, it shall be
4 ?3 q2 w) `4 A% G( B X; Jdefeated and the test continued.
- X. X* R% d* n: ib) In amplifiers, electronic protection circuits activated by voltage, current, or temperature
5 i/ C: Z/ E# Z/ H9 P! `) fsensing shall be defeated if they operate during normal operation ( 1/8 maximum output)( n7 ^2 T8 V+ @8 \6 d5 }* d
Decision:
( |+ b1 V' f K' }. [2 G fIn amplifiers, electronic protection circuits activated by voltage, current, or temperature. O0 ^' B1 \1 ?+ z1 a$ a" v6 c
sensing shall be defeated if they operate during normal operation ( 1/8 maximum output)4 R# L. v6 [2 Y9 ~$ }0 |" F( ? M
" If a fuse-link, fusing resistor or thermal release operates during the test which is under1 [& v/ U8 o8 }+ B
normal operating conditions than the equipment does not fulfil the requirements."
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