On 3/9/2011 7:23 AM, RogerN wrote:
For what it's worth, I have a lathe with a 7.5HP motor and used a 10HP
Hitachi VFD like this:
...
One time I let the lathe just idle, not cutting anything, the VFD showed 13A
3 phase to the motor, the input to the drive was ~5A single phase, the VFD
Kent A. Reed wrote:
Still, Roger's comment intrigues me. A home-based shop could cause
mystifying problems in the household if the power factor gets out of
hand. Do VFDs really make this a non-issue?
Unless you have REALLY marginal power, such as a 60 A 240 V feed, and
central air
- Original Message -
From: Kent A. Reed knbr...@erols.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Wednesday, March 09, 2011 7:31 AM
Subject: [Emc-users] [OT] power factor and VFDs (was Single Phase Lathe
spindle motor question)
On 3/9/2011 7:23 AM
