|
|
/ I4 q6 N" \; M. s/ V/ i/ U$ v2 y8 C6 P/ o! S/ d, D
| Mains Transformers Overload test. S4 e9 N7 I6 G6 J8 E0 \
| 14.7.2
# E0 H3 k) Q5 p% [( V! h+ Z | 61010-1(ed.1);am1;am25 O! A L5 _; o+ l0 Z$ _9 F
|
1 G7 z9 v( l2 _! e5 U; T
Q3 P( D$ i3 D4 n7 |% pStandard:
( C( Y% E0 a* f( _1 I( ZIEC 61010-
, l. ?; s3 e$ m! P9 P1:1990+A1:1992+A”:1995: A: C+ T2 I4 {3 f9 W! t
Sub clause:
7 P( T2 ?4 U1 K. F14.7.2
+ S+ q, m$ X, w7 rSheet n. 3163 H$ n( p" P; A; o
Page 1(1)5 c S- E2 n- J6 v& [* o$ ]
Subject:$ c u1 @# N: A; `( R, v
Mains transformers3 C4 C1 B* \ {
Overload test
* e, {+ u a! ~) eKey words:
5 Z0 W4 u9 }" G/ x, P- Transformer
- m/ \: w# M& M- Overload( U3 I- C7 O2 O' G) W$ D
- Temperature* m9 ^; k* h% C' G. ~# R0 Y
Decision taken by
1 f0 F6 |0 j: e; s0 ^7 qETF3 and confirmed5 Q. V9 q7 u* t; X$ z ]- T
by CTL at its 38th
! C1 X8 ?) @+ k0 h2 M. | dmeeting, in Toronto4 Y+ m+ M+ f8 l7 V7 c4 t
Question:
$ E8 e4 J8 M0 N# {Should this test be performed starting from cold condition or from operating temperature?
" {8 |6 W* [) O+ ZDecision:
. k; m) v% I6 Z( x! rTests from both temperatures are valid and should therefore, be performed if there is
& @8 I. I) C) R8 e2 j: t+ q3 dlikelihood that limits will be exceeded.4 {' s- E1 Y# F/ `1 i
Explanation6 @0 ]3 C. ?& ^8 j* c
All working temperatures are addressed by this requirement. Laboratories should analyse the
* w8 N) v9 ~$ E7 o/ a5 S0 |operation of the device to determine whether more than one test is needed.( E. d/ N; M/ P
% q5 \& f& T- Q8 V2 `
& {( ?' H" ^! o' c" Z, \
1 o- N, P T8 n2 S1 @7 T |
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有账号？注册安规
x
|
/2 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2012-9-19 14:36
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡