Paralleling VFD outputs to one motor
Paralleling VFD outputs to one motor
(OP)
For capacity reasons can two (or more) VFD outputs be tied to a common bus and then used to power a motor load greater than the rating of one VFD?
Any experiences?
Any manufactures doing this?
Any experiences?
Any manufactures doing this?





RE: Paralleling VFD outputs to one motor
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RE: Paralleling VFD outputs to one motor
Keith Cress
kcress - http://www.flaminsystems.com
RE: Paralleling VFD outputs to one motor
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RE: Paralleling VFD outputs to one motor
Neil
RE: Paralleling VFD outputs to one motor
All manufacturers use paralleled output devices in their larger VFD's. They typically have 3 IGBT output sections running in parallel. The drive will use a lower current rated 3-phase output "brick" with the 3 output sections paralleled. Paralleling drives can be looked at as an extension of this practice. Some extra precautions are needed such as reactors because of the lead lengths between drives.
RE: Paralleling VFD outputs to one motor
Roy
RE: Paralleling VFD outputs to one motor
Guardiano
RE: Paralleling VFD outputs to one motor