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|  PDSH 1019/ ^$ M/ K) `. l3 K4 ~$ C+ v
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| The use of the second edition of Part 1 in conjunction with the first editions of various sections o ...$ n+ _( L: u& u" y* c( K3 b) I
| Foreword
, F7 d' E; }' u* o( J | 61558-1(ed.2) & EN 61558-1:2005 & Relevant Parts 2
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0 {# T3 \! [, S$ `3 K( FStandard(s):, C* L; b2 w" a: A9 ]/ `( ~
IEC/EN 61558-1/2005
! c0 _3 L# k# O5 NRelevant Parts 2
1 o7 o- C. l$ C. hSubclause(s):. K4 a8 o2 a" x8 [* N; `: `
Foreword
: ]3 M2 s3 u' h4 o. n- `8 i% O' dNo. Year Z, F# ?4 v, J& x' ]* I7 N
PDSH. P# C/ d1 I* |5 `6 j/ f& [
1019 20102 X5 z+ W/ c v! w( s( w- g
Category: SAFE Developed by: ETF5% F+ s; z; L9 K! c: t. }! l$ B
OSM/LUM
' R6 }1 T9 X; e' XSubject:
( _- t) |5 F: qThe use of the second edition Q# X) _/ ~) c8 m# R9 m# v. M
of Part 1 in conjunction with0 A* Z* J/ x Z
the first editions of various" d# X, h& Q' F: }0 v) t r: N
sections of Parts 21 ?+ d% e* | N; I( n+ V8 B
Key words:0 b+ U) e9 _. d! c
- Part 1 – Second edition3 g4 B* Y7 ]: e5 t9 x3 Q8 M
- Parts 21 U. @4 G( S) q1 }
- TRF7 {, ]1 T* r B
To be approved at the 49th
; m5 U3 l1 N9 R+ U* tCTL Plenary Meeting, in 20127 P- e( k! Q: s; d) ^8 w
Question:
# \& x/ H. t5 o7 a F3 ZIn the Foreword of the second edition of IEC/EN 61558-1 the following statement occurs: “This new* G0 c7 i2 g& N3 z6 c+ m/ V3 A
edition of Part 1 is only to be used in conjunction with parts 2 based on this edition. The Parts 2 contain- H3 i2 F0 {& Y( @& }4 D2 ~
clauses of this Part 1 in order to provide the relevant requirements for each type of transformers”.6 k: D) _* O) p: g8 m" D
However, only 3 sections of Parts 2 (2-1, 2-2 and 2-7) are based on the second edition of part 1 today.. s, ], O% g6 i8 q6 \) N/ ]
A) How do we deal with manufacturers that wish to use the second edition of Part 1 for sections of Parts 2
9 w$ |6 G; S4 J5 o' j9 l3 dthat are not based on second edition of Part 1? Can we use the second edition of Part 1?
7 r, F4 j! X X( ]- jB) How to treat a case where a transformer is covered by two different sections of Parts 2, one linked to
5 L! g$ M+ h' E" C! f; hthe second edition and the other linked to the first edition of Part 1?/ h8 `% A7 ]* }
C) If so, what kind of TRF shall be used?( D/ Z1 L% e1 z6 b, E! `; W, R
Decision:
# b2 Y5 [7 j7 g+ p' fA) No.
0 C/ z5 N# T/ d- cB) Apply the corresponding Part 1.% Y) `: f% s/ L2 Y, t* ~7 {) t- N5 E
C) Use the relevant TRF.
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发表于 2012-11-8 15:20
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