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本帖最后由 小米 于 2012-11-7 19:07 编辑
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|  DSH 732# v+ p7 @7 u# ]
| Limits of tripping in 1.1 times the conventional tripping current after the tests of 9.12.11.3 or 9. ...
3 W% \5 \* A& }9 Q" S+ A | 9.12.12.1
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- x. B" w3 |; O; j! e# j+ @ hStandard(s)- No. Year; ^% t. Q: n. G" f
IEC 61009-1:2006-06, Ed. 2.2; Z/ T: h5 H. y# K: T
DSH 0732
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Categories: POW, PROT3 ~5 A. I Y0 q9 l
Subclause(s): 9.12.12.1. S7 T" c, ]3 h" E6 K
Developed by: CTL-ETF7
0 {+ Q; v" q- N; c q. aSubject: Limits of tripping in 1.1 times the conventional tripping current after the tests of 9.12.11.3 or 9.12.11.4b)
( r n( K/ B; ~Key words: Limits of tripping; P/ ~8 r& ^6 i, z8 t6 p5 o
Decision approved at the 2009 CTL Plenary Meeting" o# \2 Z ?$ u# P% v6 U0 w! T
Question:' K- t' f2 T1 W5 p! ?* Z R
After the tests of clause 9.12.11.3 or 9.12.11.4 item b), the tests of non-tripping and
% j* b) y+ N8 d5 etripping tests shall be performed according to 9.12.12.1. If the current is steadily1 n( L4 C- u( z9 W3 ?
increased within 5 s to 1.1 times the conventional tripping current at the end of this
5 E8 |# j& u1 F1 h1 d4 Everification, should all the RCBOs trip within 1 h?$ U6 E0 c, Y: n8 d$ u
Decision:& `5 I5 {0 a$ d. d* m7 `$ A
No, the sentence of “The RCBOs shall trip within 1 h” in 9.12.12.1 shall be replaced by6 e% n0 l7 H7 Z) G1 r/ n, y& P
“The RCBOs shall trip within the conventional time”.. `) [; L0 e$ s8 k3 ]
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发表于 2012-11-7 19:04
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