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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   t  U$ U% w, ~, c1 [
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Two  cutler –hammer advantage  starters are  doing the same thing:* l* l6 h0 G5 O$ ?
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.
  s* O8 g+ d  S" EIt is a cycle.
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$ Q0 {8 k& b+ L! e2 oWe isolate the network control and use the local start and stop only, the problem remains.  g0 f- e& E6 Y% Z7 Q
Swap one of the defective buckets with a good one, the new bucket works fine.  L  t% _6 O- P4 P9 O& Y8 O
The problem should be inside the bucket.% o" V. ]( A( M4 ?+ w
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When the problem happened, we observed that  the contactor has a pulling action but will not seal.
6 x0 n* \6 H0 W: ?0 |( gUse a terminating screw divers to push in the contactor, it will not seal either.
5 R4 y% \3 r9 Z# `" E/ [# uConfirm 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.
4 r- X! @- P& M7 L! J6 O9 TThey  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.% `0 n! a% I+ M$ s& y# y; Q3 _. x
It is getting better  this time, we have 7-8 times of running before it quit working. # O6 y/ g7 N7 X* v. H

' U" e- B+ h# O  x2 m9 }$ SThe coil should be the problem, we ordered two of them. But it will take 5-6 weeks for us to get them.
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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 : U5 q4 q% f4 B$ a- r
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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!
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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.
/ U* O5 J" K9 e" x' W9 Z1 d2 hSince 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 $ }' w2 u# p; s* y; Z# L4 S, `, @
也想到这一点,不过这是新装的设备。
$ N( }0 w8 k  [: F检查过触点没问题。
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