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|  DSH 284
2 @9 K$ Q, \! v4 ~ q$ @% J$ K% V% P3 \6 ~
| Power limiting protection% p# D' k) D* n1 [: _% Z3 T
| 7.1, last paragraph
% K" b# |3 P7 t# A5 j, W( R | 60065(ed.5)# r' W1 T$ c$ E& { E8 u" \9 n! Z
|
! x- y% e6 \! C1 ~* nStandard: IEC 60065 Ed. 5 Clause: 7.1, last" \ l8 B2 a+ a/ l, O! K, f
paragraph( v8 Y! U9 A- f \9 j
Sheet n. 284
1 _* ]1 Q2 Q' C7 H" U$ FPage 1(1)
" V E% m: B1 ^% q& wSubject: Power Limiting Protection Key words:. N6 `, t8 }( G1 {
- Fuse-link
! V9 D9 e) m: a- Fusing resistor
/ l5 [* I. X5 z- s2 {4 |- Thermal release' R) m! J+ c, P, ^1 v. ~9 n+ O* `- D: k
Decision n. 23/36
+ u5 K- s5 z$ Ytaken at 36th
# @4 b3 q) |: @% O3 ?meeting/1999$ z% V* E. U: U. l: I
Question:
8 H' w* e2 `2 c7 ?' a3 aDoes the wording:
) r2 T; T: [2 \! w' F$ o% m"Fuse-links, fusing resistors and thermal releases affecting the safety of the apparatus* Y7 Z+ F" _ h/ G3 g* @1 V! n5 X
shall not operate during the test"
2 R' M8 w) I( e6 ^! ~mean that:
; Z$ q; ]1 q; u! n J4 E) va) if a fuse-link, fusing resistor, or thermal release operates during the test, it shall be
, N2 N9 e3 e6 S1 r* Xdefeated and the test continued.
# G5 l$ f* y" f6 d7 K1 ?* W. t/ hb) In amplifiers, electronic protection circuits activated by voltage, current, or temperature5 c. b% G! b* u ?0 z6 v% V$ f7 n
sensing shall be defeated if they operate during normal operation ( 1/8 maximum output)
3 ^+ j! _* S8 ~/ X* O/ QDecision:
* O+ \8 h/ C* }% C2 KIn amplifiers, electronic protection circuits activated by voltage, current, or temperature- ~9 \( o5 m' Q. T
sensing shall be defeated if they operate during normal operation ( 1/8 maximum output)2 Q9 g o3 D: R) y' P' e K( l9 C
" If a fuse-link, fusing resistor or thermal release operates during the test which is under, u! P. J) w1 F
normal operating conditions than the equipment does not fulfil the requirements."7 u* v4 m! B' m1 C9 U
# H8 t+ F7 }! G1 V6 _1 s |
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发表于 2012-11-8 19:15
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