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本帖最后由 小米 于 2012-11-7 19:07 编辑 ( ? c+ O; `' \( M8 I& f. P' K
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|  DSH 732
, O9 \' [2 S" c# v# t | Limits of tripping in 1.1 times the conventional tripping current after the tests of 9.12.11.3 or 9. ...
; s( ~, d2 [, S7 H | 9.12.12.1. n0 S: ~4 f `/ ~
| 61009-1(ed.2);am1;am24 Y5 D" G) D' O# d7 A5 E
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Standard(s)- No. Year* E& r7 T! J) C6 u4 o6 ^+ W: `0 M
IEC 61009-1:2006-06, Ed. 2.2. c1 X) y- K5 k6 T( n% }
DSH 07327 w2 [* z5 d/ n
20095 u5 s# Z7 W0 U+ T6 L
Categories: POW, PROT
- {7 U& i G1 U h3 [Subclause(s): 9.12.12.1
1 y! L, V' J1 bDeveloped by: CTL-ETF7( [& Z' Q/ K! ~3 F0 U$ @
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)
4 a, ~5 X( Z# f4 q) Y* T. DKey words: Limits of tripping6 v! H4 a' H* S- o7 Z$ P" |& J, v
Decision approved at the 2009 CTL Plenary Meeting, T+ S- W! H. a9 g. ~/ T# v
Question:
6 p* E/ A% @" ^& Y rAfter the tests of clause 9.12.11.3 or 9.12.11.4 item b), the tests of non-tripping and
$ |( E- _6 n6 l+ o2 e) P1 htripping tests shall be performed according to 9.12.12.1. If the current is steadily
7 U9 q8 t6 D4 W% yincreased within 5 s to 1.1 times the conventional tripping current at the end of this
& q- z7 m, F zverification, should all the RCBOs trip within 1 h?
" F* ?3 X- B! a. |: g3 P- `% LDecision:# M: f/ c$ t" C2 m, P# K) e# ?) {
No, the sentence of “The RCBOs shall trip within 1 h” in 9.12.12.1 shall be replaced by) W8 r1 b) I& W. ?8 w! p
“The RCBOs shall trip within the conventional time”.
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发表于 2012-11-7 19:04
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