DSH 731 Ambient temperature on tripping tests

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DSH 731 ( e& e" L+ }/ |1 b3 i

Ambient temperature on tripping tests + R, f  `: s& b6 g7 A8 s# [2 {

9.9.2.3 ' O! H" Q/ }1 [8 |1 ^7 U

61009-1(ed.2);am1;am2 6 q* ]* h+ Z3 S9 d: T9 b

Standard(s)- No. Year
# P* c, S' {9 E0 L4 uIEC 61009-1:2006-06, Ed. 2.2
DSH 0731  2009
+ C# F2 i. U: ?6 iCategory: POW, PROT
Subclause(s): 9.9.2.3
8 y) q0 w& k. y' [/ XDeveloped by: CTL-ETF7
+ q. `; a; K% a. V$ s# |Subject: Ambient temperature on tripping tests
Key words:
$ h4 X4 r3 k: q- H' \Ambient temperature
9 j# A6 p6 a+ y6 [6 y% n3 h9 F# @Tripping characteristic
, F( i1 f# L1 X6 ODecision approved at the 2009 CTL Plenary Meeting
7 ^6 i8 U6 P/ H  W7 X3 S5 ]Question:
: N% I7 O: s2 c- UIn item a) of clause 9.9.2.3, is it correct to perform tripping tests in an ambient
& }0 E9 l( l: a4 Htemperature of 35 °C ± 2 °C above the ambient air reference temperature?
, S, a! U. [$ o! e. ?Decision:
No, the word “above” shall be replaced by “below” in the sentences of item a) of clause
7 K1 z. K* _: ~1 ^* T) m9.9.2.3 to perform tripping tests in -5 °C.
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