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mksj's latest activity
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Mmksj replied to the thread VFD running a air compressor and regenerative effects causing over-current faults?.You give no specifics to the pump. Reciprocating compressor pumps are usually rated for a range of Hp, but the pulley size is smaller...
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Mmksj replied to the thread VFD running a air compressor and regenerative effects causing over-current faults?.Braking resistor has nothing to do with a current fault/acceleration/running. Stop mode should be free run, i.e. no braking. You can...
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Mmksj replied to the thread VFD for Cincinnati lathe with 3HP. Motor data plate pic attached..If this is a hydrashift lathe, then the motor is controlled separately from the engagement handle. The ones posted online have push...
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Mmksj replied to the thread VFD for Cincinnati lathe with 3HP. Motor data plate pic attached..I would not spend the extra money on an oversized 3 phase inpiut VFD, there are plenty of single phase input VFD's in the $300-400 range...
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Mmksj replied to the thread Can someone please help me replace the VFD on my lathe?.You should put in the parameters that were original to your machine, I would not assume that they are all the same. Mechanically 4P...
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Mmksj replied to the thread Can someone please help me replace the VFD on my lathe?.The Lapond is basically the same VFD as the HY which is banned here. I can understand why your friend had so many problems with it...
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Mmksj replied to the thread Can someone please help me replace the VFD on my lathe?.Standard 3 phase induction motor, not permanent magnet. That VFD is 220V VFD, so you would need a small step down transformer 240 to 120...
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Mmksj replied to the thread Can someone please help me replace the VFD on my lathe?.The tach input voltage is different depending on the model, one is for 120V (JWL1642-130) and the other is for 220V (JWL1642-130A). The...
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Mmksj replied to the thread VFD store or outlet suggestion. 10Hp ..Seems repetitious of what I already posted and no real reason to post the FRN010G1S-2U, but as you like to say RTFM. Oh, forgot, they do...
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Mmksj replied to the thread VFD store or outlet suggestion. 10Hp ..FRN010G1S-2U Zoro is a 3 phase unit, although they indicate it will run on single phase it is in a derated mode. Don't always believe...
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Mmksj replied to the thread VFD store or outlet suggestion. 10Hp ..In general, the largest commonly available single phase input VFD size is 5Hp, and there are very few models. Beyond this Hp rating...
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Mmksj replied to the thread VFD store or outlet suggestion. 10Hp ..Compressors are known to be harder starting and coming to full pressure for motors so would typically require the VFD to be run in HD...
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Mmksj replied to the thread Drinking from the VFD info firehose.Some VFD's have a rapid or emergency stop, but it requires a sustained input not a momentary, at least the ones I have used. The...
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Mmksj replied to the thread Drinking from the VFD info firehose.Actually you should not use an existing contact if it has been used to carry current, they build up resistance from arching and will not...
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Mmksj replied to the thread How fussy are VFD'S using "dirty" three phase power.You could also oversize the VFD, run it off of single phase in a derated mode. You would want to use it with a DC choke to decrease the...
