|
8 h4 z' \2 u4 ?9 ?# A6 e) D6 u* ~8 o$ g9 e7 z B
| Mains Transformers Overload test; U5 { e' X/ U1 ~, F4 a# O& l$ B
| 14.7.2
2 F0 X' X" L+ H$ ?6 k2 {3 G | 61010-1(ed.1);am1;am2
7 O* J- t* e9 o1 x | . i+ G X" U3 o# w& d
0 |' U. x& h) t' q
Standard:
$ F: t& ?6 }: e, a8 ?: XIEC 61010-3 [' q' U! X7 |# w' ^
1:1990+A1:1992+A”:1995
' W" {3 B+ U7 R7 Z9 I6 L+ f2 dSub clause:/ @' o2 k, R8 {3 X4 r
14.7.2
. b) u& f7 B, M' H% lSheet n. 316
% Z; i1 ~# M! c! D; Q; `Page 1(1)
7 Z* A' U) Q& A& y% ?Subject:
; H- E6 ?; M2 u% vMains transformers
- A) ]5 ]. Y4 KOverload test3 y' M, O1 _' v5 `- m; f
Key words:- G! @$ M! V/ u3 |
- Transformer: W8 n K( V; X/ w
- Overload% X1 o# o, y: Q) d! z
- Temperature5 D ~7 f2 w9 C8 W) y W
Decision taken by4 ^7 B7 u* q1 z' N% K$ \5 R
ETF3 and confirmed
! v; U) ~. I/ S' a" [by CTL at its 38th* o2 l- D$ a) Y$ o! T& G# j
meeting, in Toronto
+ J; X, A3 X; R! ZQuestion:
: ]% @4 A3 q/ A, K9 B9 v3 f8 }Should this test be performed starting from cold condition or from operating temperature?0 N+ l5 |( W% V6 t: T1 _+ W
Decision:2 m. N) x! {4 _( X
Tests from both temperatures are valid and should therefore, be performed if there is$ R+ ^9 W! O, B# ~4 H
likelihood that limits will be exceeded.5 X* v' \, _. T# t
Explanation
* h) U$ o }- a6 l3 f9 a! u! l8 ?# KAll working temperatures are addressed by this requirement. Laboratories should analyse the
) I r; P, c' L$ G% Poperation of the device to determine whether more than one test is needed.
( l, u4 N0 e( ~ i$ p, i- f& [' g# W; k& b
6 v' G4 R0 T8 T7 M9 f
# u' [/ d+ t- G, C# D) _. G' I, }
|
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
|