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本帖最后由 小米 于 2012-11-7 19:07 编辑 , R) e- `; J) f9 L( t9 z
9 t- j; r1 b" M4 m. @- ^6 X | DSH 732
% r0 u9 g& E, K# t6 ]/ t | Limits of tripping in 1.1 times the conventional tripping current after the tests of 9.12.11.3 or 9. ...7 ]* E/ m0 r6 k$ ^4 A0 D$ Z
| 9.12.12.1
1 @( J1 N6 `( Q. @- R | 61009-1(ed.2);am1;am2, F: \0 e5 A) ~! L
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Standard(s)- No. Year
& `# X' m, [7 x5 q X* bIEC 61009-1:2006-06, Ed. 2.2
% V; e* k, ]. n1 ~DSH 0732
1 p& m' R' I. I7 \0 q7 L2009
$ s+ j, W0 C( W1 B& FCategories: POW, PROT
; r% u$ `3 x4 g$ H* E5 [% hSubclause(s): 9.12.12.1" n- w0 L3 c4 `/ O q5 L
Developed by: CTL-ETF70 a5 p* M( S9 s/ D6 \
Subject: Limits of tripping in 1.1 times the conventional tripping current after the tests of 9.12.11.3 or 9.12.11.4b)3 {, T6 D# ]/ p0 ]
Key words: Limits of tripping
$ S8 `" f' y3 v/ TDecision approved at the 2009 CTL Plenary Meeting# E3 ^0 q# }" y1 e9 A9 q# e
Question:
- O) m; h9 l2 {( h7 [After the tests of clause 9.12.11.3 or 9.12.11.4 item b), the tests of non-tripping and
3 f1 \6 i7 s9 [5 i( x" U4 b/ R, ttripping tests shall be performed according to 9.12.12.1. If the current is steadily) Z" a! K% ?7 y& [5 n1 _
increased within 5 s to 1.1 times the conventional tripping current at the end of this# ]! W' {8 i1 Z1 I
verification, should all the RCBOs trip within 1 h?+ m; O( v1 ]" E3 G0 ^
Decision:+ y' S) ^% }) B: p* \5 H0 c( X
No, the sentence of “The RCBOs shall trip within 1 h” in 9.12.12.1 shall be replaced by
U% o4 t+ {/ V, d% R+ W- ?“The RCBOs shall trip within the conventional time”.7 X7 Z) S( E5 _1 l B, t- v
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