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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 6 l3 w0 v5 N- T' E1 Y8 f
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Two  cutler –hammer advantage  starters are  doing the same thing:
# _$ W! N) c7 r" ` 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.
7 Z& W9 y# u" }0 n# `; UIt is a cycle./ q/ G! U4 F( L( ~$ o8 s
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We isolate the network control and use the local start and stop only, the problem remains.
* C7 t9 o9 F7 \+ n, a' h1 y- R2 gSwap one of the defective buckets with a good one, the new bucket works fine.* \) h5 f! l) |7 o" F. \+ v& E
The problem should be inside the bucket.' Y6 M7 c# Z7 J% o! n. n
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When the problem happened, we observed that  the contactor has a pulling action but will not seal.
7 _/ j' R7 @1 m+ u  a: _- O3 bUse a terminating screw divers to push in the contactor, it will not seal either.
0 u: S6 s* F4 o" U+ h- {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.# b& [; n, e: K- L. L
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The next thing we can think of  is the coil, we took the coil out to have a close look.) A7 |# j( r- n; ?( }! y9 d+ M; m
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.; X/ ^7 x, e& Q8 h- E
It is getting better  this time, we have 7-8 times of running before it quit working. 3 y5 c! p$ e4 m! U# w
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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. % ~- R) L1 @2 n6 O

  ^* ^( i4 Q  c1 p, p* ?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 9 k7 s% ?6 f% A4 k6 e4 S6 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.& w3 ~2 N+ J9 V- O9 A
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 . N8 m$ @  P, e8 u% d- F
也想到这一点,不过这是新装的设备。
% ~8 x, y* d& v检查过触点没问题。
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