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[技术互助] Any input on Cutler-Hammer Starter?

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发表于 2010-3-26 12:56 | 显示全部楼层 |阅读模式
老杨团队,追求完美;客户至上,服务到位!
本帖最后由 td456 于 2010-3-26 14:14 编辑
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" u5 i  I% A  ]Two  cutler –hammer advantage  starters are  doing the same thing:
# e# u* s' Z- P) x After start 2-3 times, they will quit working, if you toggle the  start and stop buttons on DCS screen  , you will get another 2-3 running before they quit working again.
- Z' v9 F- j) uIt is a cycle.$ g- |+ \# v# v3 q
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We isolate the network control and use the local start and stop only, the problem remains.$ P; v- L$ `5 l3 V. r- X7 @
Swap one of the defective buckets with a good one, the new bucket works fine.
* X% }% R0 O" B& ~The problem should be inside the bucket.
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. E$ L* y+ f# y3 a$ v1 oWhen the problem happened, we observed that  the contactor has a pulling action but will not seal.
0 Z8 y* P$ v" Y. N( S( @5 TUse a terminating screw divers to push in the contactor, it will not seal either.0 Q# D: D" L, W! `) C5 ~
Confirm with TECH support this should be a problem with the control circuit board inside the advantage starter, we  bought two new control circuit boards and replaced the old ones, the problem is still the same.
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The next thing we can think of  is the coil, we took the coil out to have a close look.% Q) D3 Z7 u1 t% Q  F
They  have a fork to pinch inside the two leads to make connection, it is not a good design at all. We soldered  the connection and tried again.
$ u, M; p" O8 o4 H It is getting better  this time, we have 7-8 times of running before it quit working. , w; N0 V2 X7 n

9 j8 k" y) r9 A! IThe coil should be the problem, we ordered two of them. But it will take 5-6 weeks for us to get them. ( I" L* m! V0 O5 d! X: [( m
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Do you guys have any input on this issue?
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发表于 2010-3-26 17:07 | 显示全部楼层
有时候主接触点太脏,也会造成启动器无法正常工作
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发表于 2010-3-26 17:37 | 显示全部楼层
本帖最后由 贾电工 于 2010-3-26 18:38 编辑 ; }$ E0 Y( l, N" v( p6 L  Z; s
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中国人在这里最好说中国话!说英语或想学英语请人到洋人论坛!
大型搬家
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发表于 2010-3-26 17:42 | 显示全部楼层
老杨团队 追求完美
Don't know cutler –hammer advantage  starters very well, but had been worked on AB switch gears for a little while, which has two different coils, one to pull the vacum bottles up which employs larger current, another one uses less current to hold the connection---if the second coil fails, it won't be able to seal the connection.
4 P% J$ p# n1 ?) I" Q) p  aSince your cutler -hammer works couple times,  I guess 侠客行 is right, or the sealing connection is just worn out.
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 楼主| 发表于 2010-3-26 17:55 | 显示全部楼层
2# 侠客行 . K. O+ J! Y. V
也想到这一点,不过这是新装的设备。: C8 `( t8 X, f, g" O$ h6 |* {$ S5 m
检查过触点没问题。
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