|
|
本帖最后由 小米 于 2012-11-7 19:07 编辑 & ~# c7 _. ]( d( K G5 x
3 Y1 K/ o7 y9 _: V/ e |  DSH 7320 p- t9 |, J1 R
| Limits of tripping in 1.1 times the conventional tripping current after the tests of 9.12.11.3 or 9. ...; o6 q L/ h: L
| 9.12.12.1. k' W* }" z2 a! q+ R2 Q# }0 L
| 61009-1(ed.2);am1;am2
- M a* f, b" s& A5 S |
/ o+ Y p9 j5 C& \6 W7 D
Standard(s)- No. Year
( X% D G) D& M* p/ W5 G g4 ZIEC 61009-1:2006-06, Ed. 2.2
& X( q2 F* G% U8 A+ [4 MDSH 0732
( M5 e& c. E' Z( j2009+ C" L% r* Q& x: u+ F6 t7 Z
Categories: POW, PROT
# r: I6 J: Z( g7 [+ J& NSubclause(s): 9.12.12.1
# J# G2 F2 H S* Q) ?0 m6 S; n/ MDeveloped by: CTL-ETF71 p# p8 [5 N% ~5 |& g
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): ~" L- V Y) Y0 P, T: @2 Z5 E
Key words: Limits of tripping
8 p; j# l( N) e0 M* [4 z) c8 YDecision approved at the 2009 CTL Plenary Meeting
9 u! q# x: z; e" I4 M c" x2 DQuestion:8 Q% v* ~! F" X
After the tests of clause 9.12.11.3 or 9.12.11.4 item b), the tests of non-tripping and
2 r; a/ z0 ?4 f0 }5 Dtripping tests shall be performed according to 9.12.12.1. If the current is steadily/ P8 U) B/ y2 p9 x
increased within 5 s to 1.1 times the conventional tripping current at the end of this
9 U5 {: X7 A( w {verification, should all the RCBOs trip within 1 h?
" Z- t7 }8 O8 l" i9 ]6 f/ uDecision:
5 t3 ^9 m. D. k* ZNo, the sentence of “The RCBOs shall trip within 1 h” in 9.12.12.1 shall be replaced by
5 i3 ] t( s. L" V“The RCBOs shall trip within the conventional time”.! w6 p# G# }; \. d2 v H
% k5 O7 A! p6 ~3 T7 s
. \3 s1 b6 ^) G8 E4 j
|
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有帐号？注册安规
x
|
/2 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2012-11-7 19:04
收藏
分享
好帖
鸡蛋
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡