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|  DSH 474
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| General conditions for the tests
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| 60335-1(ed.3)
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Standard: IEC 60335-1:1991, 3rd Ed.3 P4 x2 b7 C3 w
Sub clause: 4.127 M- ^ S3 `0 V) ^
Sheet No. DSH-474
, W8 v1 z( b4 }; S* C- ~7 g; ]Subject: General conditions for the tests% j% o/ K& a% m- Q
Key words: - supply voltage( `5 [: T" C3 M: u4 s/ d3 |
Decision taken at the 40th CTL meeting 20038 F" j2 C6 U% M& O( |& a+ {
Question:
" [2 N1 S- b6 Q$ dIn the case of heating elements without appreciable positive temperature coefficient of; ^' o1 f7 N: p) U& @* ]
resistance, should the supply voltage be adjusted during performance of the test?0 v) A3 E" j3 {# `4 o" ~
Rationale:7 ? _) ~6 \6 n# s, Q3 t2 ]
See question.
3 l( L% l& b* \' @Decision:1 W: H4 K$ c+ z! [8 N; K
The voltage shall be continuously adjusted to obtain the intended input.
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发表于 2012-9-12 12:46
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