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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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Two  cutler –hammer advantage  starters are  doing the same thing:9 ~; Z/ A, N' ~
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.
0 e7 r, Z- P2 I/ T4 ?  aIt is a cycle.
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We isolate the network control and use the local start and stop only, the problem remains.
7 s2 F  z- q+ m% I1 aSwap one of the defective buckets with a good one, the new bucket works fine.
; c( F2 l+ l* b: hThe problem should be inside the bucket.2 M) ]3 {) F' U% H. S9 y) B3 w, C
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When the problem happened, we observed that  the contactor has a pulling action but will not seal.
3 u7 `6 g8 n& AUse a terminating screw divers to push in the contactor, it will not seal either.1 h  i. |2 U6 ^6 a4 d
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./ Q. h9 V$ r. D6 `0 ?

& |; q) U6 N9 iThe next thing we can think of  is the coil, we took the coil out to have a close look.
- s8 z, k6 @9 h2 O  ZThey  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.
3 |$ ?9 }( ~: c0 c It is getting better  this time, we have 7-8 times of running before it quit working. & _% e( }0 O6 v  }/ Z
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The coil should be the problem, we ordered two of them. But it will take 5-6 weeks for us to get them. / ?) S6 Q- s. ?0 {0 `: g# ^

) r1 A( O: p8 m' X5 F& l) tDo 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 % e) h$ l3 H: I/ d
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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.1 Q- O" V& T+ J5 H" S+ q) u
Since 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 - K8 I# V( v: X2 i  T
也想到这一点,不过这是新装的设备。1 j& ]8 v* `1 p; K1 @' I
检查过触点没问题。
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