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|
, y! {' S& S8 M7 T, b- {, O# {( W4 n. G% e
| Overload test
% a* b% x; S# |2 Z9 C* b0 U | 14.7.2/4.4.2.6: L Z- a; U- `( ^! `6 B: V
| 61010-1(ed.1);am1;am2
$ {! o& Y) P8 \& S* i! } |
! q, H. W5 n! a" f% a
6 Y. W5 I6 n" O, {9 eStandard:
8 K2 O- U+ s" m. B- v/ F3 xIEC 61010-1:1990 +A1:1992 + A2! z- i6 [# f! S& n# Y! J( a
:1995 B, f, X- G( Q$ n% N* |6 _+ y# H
Sub clause:) q; U& b9 ~; R3 ?- g% U: O( m; w- t
14.7.2/4.4.2.6
N* p$ M3 @3 f% W8 oSheet n. 368
- A- y/ T- S4 N1 b" {: m1 W- u) gPage 1(1)
+ v4 f$ y7 G3 m( m1 q3 NSubject:
2 A2 F, ^8 M( s2 g/ AOverload test
: Q! J* h$ z* L1 u/ E0 ]" h4 W8 BKey words:4 Q$ N/ ?6 ]7 a; |, n3 n
- Mains transformer
$ N- v$ F) A% O: R* T- SFC tests
" R. J& v b1 Q1 B9 Y" i* X' NDecision taken by# U# G: x- T0 x6 x4 f8 \2 S
ETF3 and confirmed8 J" s. j5 H8 L* b* v0 g- l
by CTL at its 38th
/ g. N4 d' G' {, fmeeting, in Toronto
7 S1 t& o3 M6 {& X5 pQuestion:" \* g' m9 U; E
What criteria should be used when deciding whether or not to do the overload test as there
- L5 K1 G* O- F, q! _1 {seems to be subjectivity involved when considering the requirements?; n" j3 v: t& ~. e9 _- |- ^
Decision:
' F' H% [6 |: q6 `It was decided that transformers should be considered for SFC tests (short circuit and3 V- U, M7 H' Z* s1 ]
overload tests) under the worst possible scenario.
6 b) r1 t0 v% T7 n0 P& E I4 X: b6 j p/ d' L
; J' {4 j; r! t+ P2 w! ~1 w( P
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发表于 2012-9-18 11:57
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