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0 Y# \# n7 u* W, t- C" s
" x0 K! i2 _2 `& N) T; ^/ Z% f | Mains Transformers Overload test+ N3 _) O0 J: |& Z* k
| 14.7.2
# w# E# ]$ P8 x# t7 k9 } | 61010-1(ed.1);am1;am2
6 J3 x( x$ `9 X$ ] V I8 f/ ? |
& @! O" N$ ?3 t, X0 e
; i, U7 F, H5 n- Y% BStandard:
# t9 _% N: D& ]' R r8 }IEC 61010-
3 U% j0 D0 u2 K1:1990+A1:1992+A”:1995 Q8 }* Q. k6 @. N
Sub clause:, G: K; p. v* I6 Z, k* z
14.7.2& Q9 g7 Q/ \1 \' U" T. Y( W
Sheet n. 316
$ p0 @$ |7 {8 M0 T3 _# QPage 1(1)1 U1 M( b& N7 f# l
Subject:' A) T0 ~. m, B8 X# d# `: ?
Mains transformers
6 q* w2 Z$ T! ?9 vOverload test, L9 P1 u8 ?+ d: ]& ^
Key words:- p7 ]1 H0 J& r* R$ K
- Transformer
( \ _0 K1 X1 Q" v( Y, {/ | z- Overload
5 t5 n7 x7 J- Q" \: V- Temperature% n% V) \7 C! v% ~+ \& b
Decision taken by
+ ^2 W' I/ w! ZETF3 and confirmed
! F* R# C' d. vby CTL at its 38th- E2 t) b0 e: ?$ y
meeting, in Toronto
. ^* I/ R0 ^5 D9 u' ~ G, o; ~% OQuestion:8 ] [1 `' m5 p& c
Should this test be performed starting from cold condition or from operating temperature?
+ V+ j& V1 f& qDecision:
- Y9 }% ?( `, {1 e5 ^5 g0 X/ QTests from both temperatures are valid and should therefore, be performed if there is; Q& i* L, N/ y# b3 M4 w/ T
likelihood that limits will be exceeded.$ b2 V% R. G$ _: {2 k
Explanation6 R8 m4 ^7 x$ T6 P( v
All working temperatures are addressed by this requirement. Laboratories should analyse the
2 k9 |2 e" ~! _6 v xoperation of the device to determine whether more than one test is needed.
. H E k# W2 d+ L H, T: i$ Y: O9 I6 }" p9 t& n. l
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发表于 2012-9-19 14:36
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