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5 f" N; S. z8 e6 A" l8 {! @" ^8 _5 T: Y
| Mains Transformers Overload test/ o3 u1 _- w, Y* [' i* u& f
| 14.7.2+ z) s$ K3 H# W; c
| 61010-1(ed.1);am1;am2
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Standard:5 D l3 X/ J$ C+ u1 }; Z0 O( I
IEC 61010-
0 U( W: N- s* m" @! f1 y1:1990+A1:1992+A”:1995
: I$ _; p0 u% W; B& o5 t! x- lSub clause:
8 h" f# `0 n. D) Z4 s14.7.2
# C: @* X. w* K' f. sSheet n. 316
7 t/ j# |& H0 {' c% J8 U! M7 lPage 1(1)
* o' t( U2 i* g; |Subject:& \! D' O5 [6 x
Mains transformers7 n& U* S. N5 G5 O: \
Overload test
' y$ k! O. b+ T' |% {4 t0 ZKey words:3 }% r' T( @. p) `+ C# ^2 U2 }) i1 P
- Transformer& m: v- Z* c# d# y
- Overload8 `3 n8 p7 i" [9 e* B
- Temperature- Q B [1 R: b/ }
Decision taken by# k2 g. Z$ b) L8 E5 Y
ETF3 and confirmed* r# u, j1 n' ~. p/ h! W' W
by CTL at its 38th
' I8 d. Q, X# R8 Q0 Rmeeting, in Toronto
9 d7 b( k: g" kQuestion:- M( N3 b0 Q' i o6 D4 q
Should this test be performed starting from cold condition or from operating temperature?
8 f9 `9 G) m7 E. q; c* KDecision:
+ U7 X1 H7 B0 RTests from both temperatures are valid and should therefore, be performed if there is
% _2 S4 ?+ F* V5 R% j& j% _likelihood that limits will be exceeded.8 g7 Z& r5 d, X' Q& T, m
Explanation
( U6 u* _0 @2 g: h; c+ HAll working temperatures are addressed by this requirement. Laboratories should analyse the# `2 Y6 e4 j" K9 w& h
operation 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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