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In-rush "rattle" on elevator in office building
If I change out the cable it is definately money IN pocket, not out.... Which is why I am reluctant to do so, if it is not the cable. I have been trying to get the owners to do some PQM for this, and have passed on to our company owner not to bid to replace otherwise. (I would hate to go do...- e57
- Post #10
- Forum: Electric motors & generators engineering
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In-rush "rattle" on elevator in office building
Starter is "Soft start".... The fifth starter of its type in the last 18 months. Let think before throwing insulting language around, like... "Home creapo" The Engineer who spec'ed the build, did not spec tri-plexed, therefore not installed. But yeah, I too have seen lots of it, and if it is...- e57
- Post #8
- Forum: Electric motors & generators engineering
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In-rush "rattle" on elevator in office building
OK my bad..... I took the motor info from what I was told! I went down there myself to get the motor plate info for manufacturer data comparision, and its a 75HP, I orininaly had data from a different motor that someone handed me! ("Should be about the same right?" - NO! Especially at wrong HP!)...- e57
- Post #6
- Forum: Electric motors & generators engineering
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In-rush "rattle" on elevator in office building
Hi all, new to your forums here. I'm an Electrician, not an Engineer, but have a possible engineering question. I'm dealing with a customer (on a second opinion basis) that has a rather extreme "Rattle" of the conductors in an elevator feed. I noticed it when working on a TI in the building on...- e57
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- Replies: 13
- Forum: Electric motors & generators engineering
