DSH 284 Power limiting protection

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DSH 284 / {. E4 u# q. D1 v5 b ' K1 L% ?0 }; S

Power limiting protection * i' c7 `5 }; x7 @9 T

7.1, last paragraph . S. l7 H' s5 O

60065(ed.5) ; K: Y/ P9 {+ z0 b& R6 s

  [, `$ P' s- A! Q3 wStandard: IEC 60065 Ed. 5 Clause: 7.1, last
% s9 c8 J: O1 p" y% s- s0 a- {paragraph
& {. t+ Y) \5 L4 Q3 ]! p% ASheet n. 284
* y0 y/ j# _% {- ]Page 1(1)
7 k/ D& E; b2 P: ^: H! D3 G9 ISubject: Power Limiting Protection Key words:
# k# Q: x" {4 R- Fuse-link
- Fusing resistor
- Thermal release
- [: Y8 w" ^- ^! ]Decision n. 23/36
taken at 36th
0 o: b, K6 T+ ^' @8 v; o' u$ Lmeeting/1999
: N- Q( p( ~! |4 g; iQuestion:
( q- q, z9 @$ y% M: @+ HDoes the wording:
1 h3 L" z2 k( I# D& |& ]6 _9 M3 D"Fuse-links, fusing resistors and thermal releases affecting the safety of the apparatus
+ j2 s# ]6 t. R1 zshall not operate during the test"
; G  y( h# D. Y% `6 u% ]# {& Cmean that:
a) if a fuse-link, fusing resistor, or thermal release operates during the test, it shall be
defeated and the test continued.
) s% T# C( D+ ~* t* C1 Ub) In amplifiers, electronic protection circuits activated by voltage, current, or temperature
sensing shall be defeated if they operate during normal operation ( 1/8 maximum output)
Decision:
. F$ |+ @2 S6 V; c- S7 J5 v$ j  XIn amplifiers, electronic protection circuits activated by voltage, current, or temperature
sensing shall be defeated if they operate during normal operation ( 1/8 maximum output)
" If a fuse-link, fusing resistor or thermal release operates during the test which is under
normal operating conditions than the equipment does not fulfil the requirements."
: P6 ]9 r# |6 U6 w6 b