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. T6 n5 l8 u' H0 W- U9 G/ D
 DSH 316
/ N, l u' D4 h( h: Q, h2 M# n | Mains Transformers Overload test
1 b5 C% `6 c/ t9 A/ e! I | 14.7.2/ |4 R$ ~% T* w) |) I# S
| 61010-1(ed.1);am1;am2; S/ n7 j0 [6 L/ Q
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# M, L& B. W/ _* RStandard:
" a8 M# Z2 ]9 R; F |IEC 61010-8 Q1 `8 a, C/ Q1 X: I
1:1990+A1:1992+A”:1995
; b# w/ o- Y- t- u- y" M0 oSub clause:" F9 K7 e$ [# P4 I* u
14.7.2
# O* }- n- j$ G" q+ {Sheet n. 316
# D, a' F2 I' k/ H# [# MPage 1(1)
# n7 G3 w1 H& v* ~Subject:2 o) g/ ]: I4 A3 f4 m* k `9 z
Mains transformers6 V# k% j" c8 l# S. b7 v
Overload test$ G9 k$ S0 I6 a( `
Key words:
8 s* @( g# C) @/ z t1 |# v- Transformer t) Q4 l$ z: k* p( b
- Overload6 I: P2 {8 D, z2 _2 W
- Temperature
( g; l' ]3 l9 ?) o( C) j# V5 H( Z# q! F/ mDecision taken by) t* F- V% A ?
ETF3 and confirmed$ r5 I4 x3 z ~+ Q
by CTL at its 38th
- [: k Y8 Q8 d: q! S, q. u, t) Umeeting, in Toronto
! q% O9 I1 ?! r6 \% [* ~; r# XQuestion:
+ e7 p8 l) e! @5 p" i7 \' Q8 JShould this test be performed starting from cold condition or from operating temperature?, Y" Z- c+ |9 {3 O1 O
Decision:+ l) @& N5 k! y9 H# D& A+ c
Tests from both temperatures are valid and should therefore, be performed if there is0 s3 Z% k4 z# x6 L. F
likelihood that limits will be exceeded.
, n/ c' V- {" j& z) D2 vExplanation: R. Q& s6 a4 B7 t7 A
All working temperatures are addressed by this requirement. Laboratories should analyse the
! }7 U4 E/ k" L4 Z1 ^# H7 b7 i# Noperation of the device to determine whether more than one test is needed.
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发表于 2012-9-19 14:36
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