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标题: DSH 284 Power limiting protection [打印本页]

作者: 小米    时间: 2012-11-8 19:15
标题: DSH 284 Power limiting protection
DSH 284
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Power limiting protection
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7.1, last paragraph
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60065(ed.5)
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$ O5 o9 Y, `" l7 Y. @: ?Standard: IEC 60065 Ed. 5 Clause: 7.1, last
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4 [) X" p0 V# o; [0 _Sheet n. 2847 P5 M2 U/ M& C8 a& f# E2 u
Page 1(1)
, e* T2 T1 j% b! o9 J) wSubject: Power Limiting Protection Key words:* Q2 f5 [4 w) k# \0 G- J
- Fuse-link* s; `: e: ~4 f5 d/ |# G8 |
- Fusing resistor. C+ I0 k* F' w6 A
- Thermal release
. J- v6 z! m4 I7 {# ?6 yDecision n. 23/36
" o0 Y% T9 e1 ]8 r% Jtaken at 36th
" Q8 ?5 v0 p/ j( u1 Mmeeting/1999
8 D% j6 F) w1 G' h* ^" Z6 d1 OQuestion:
5 x) g# n) V$ ]. bDoes the wording:0 i" G+ s, }/ Z6 @
"Fuse-links, fusing resistors and thermal releases affecting the safety of the apparatus. K" z" e$ |' j9 G; c% S
shall not operate during the test"$ n1 a' b+ f+ u3 n/ z& ?
mean that:+ N$ _% p% b- u) I9 {% G
a) if a fuse-link, fusing resistor, or thermal release operates during the test, it shall be
2 d* m9 p: ]: _5 f, A0 o2 |defeated and the test continued.
, ]- t" U' l. h' U! ^b) In amplifiers, electronic protection circuits activated by voltage, current, or temperature' Q. V1 K6 M  K7 p. ?
sensing shall be defeated if they operate during normal operation ( 1/8 maximum output)
9 F4 t( z8 v& T) D4 p( uDecision:( H( Z' b) M2 H7 ~! e4 Z
In amplifiers, electronic protection circuits activated by voltage, current, or temperature1 c7 ^3 k6 e0 @; b/ k' l
sensing shall be defeated if they operate during normal operation ( 1/8 maximum output)
0 S: O- C/ M/ k; s1 h7 y" If a fuse-link, fusing resistor or thermal release operates during the test which is under
- l$ ]6 J6 _- knormal operating conditions than the equipment does not fulfil the requirements."
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