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Search took 0.00 seconds. Search: Posts Made By: Gerald D

Forum: 50. Toolheads

Fri 31 July 2009, 02:12

Replies: 16

3 phase vs single phase VFD's - is there a loss in one vs the other?

Views: 26,166

Posted By Gerald D

In other words, when a VFD is run on single...

In other words, when a VFD is run on single phase, it can typically only handle 2/3 rds of the 3-phase rating, before it overheats. However, Some VFD manaufacturers may have oversized the diodes to...

Forum: 50. Toolheads

Wed 29 July 2009, 11:11

Replies: 16

3 phase vs single phase VFD's - is there a loss in one vs the other?

Views: 26,166

Posted By Gerald D

You must get the manufacturer of the VFD to...

You must get the manufacturer of the VFD to guarantee a power output level when run on single phase. They will tell that their VFD's can be used on single phase, but they don't generally tell you...

Forum: 50. Toolheads

Tue 28 July 2009, 20:57

Replies: 16

3 phase vs single phase VFD's - is there a loss in one vs the other?

Views: 26,166

Posted By Gerald D

The way I understand it is that many 3ph VFD's...

The way I understand it is that many 3ph VFD's can be powered from 1ph, but that the power output of the VFD then drops. Thus one must buy an oversized 3ph VFD if you are going to run it on 1ph. If...

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