How would you hold it at 60Hz? How would you hold the output voltage
steady with varying loads?
I wouldn't chance it. Use a proper device like a UPS. I use a 3KW split
phase pure sine wave output UPS to run my whole house. It was made to
run on 12 12V batteries, I see a lot of them made for 16 12V batteries.
Al
On 6/19/2019 8:34 PM, John Lussmyer via EV wrote:
The PDF manual for it shows using 2 of the output terminals to drive a
single-phase motor.
On Wed Jun 19 15:01:56 PDT 2019 [email protected] said:
Most of these can run off DC either from DC input terminals or Just run the
DC in the AC inputs but derate as if it was a single phase input drive.
Input voltage should be nominal RMS AC voltage to peak AC voltage.
The drive is a volts/hertz or vector type, and they rely on a 3 phase motor
load for feedback. If they can make single phase power it would be pure
luck.
David Kerzel
Modular EV Powe LLC
-----Original Message-----
From: EV <[email protected]> On Behalf Of John Lussmyer via EV
Sent: Wednesday, June 19, 2019 11:59 AM
To: Electric Vehicle Discussion List <[email protected]>
Cc: John Lussmyer <[email protected]>
Subject: [EVDL] Possibly use as a Pack->AC inverter?
This is nominally a 3 phase VFD. Powered by single-phase AC.
Seems like it must be converting to DC first anyway, so may allow DC input.
It also can drive a single-phase AC motor.
Anyone know if this is a likely possibility?
https://www.banggood.com/4KW-220V-20A-Single-Phase-Input-3-Phase-Output-PWM-
Frequency-Converter-Drive-Inverter-5HP-VFD-VSD-p-1286175.html?akmClientCount
ry=America&utm_design=41&utm_source=emarsys&utm_medium=Mail_mailad378_us&utm
_campaign=newsletteremarsys&utm_content=elaine&sc_src=email_3730686&sc_eh=92
c2e4cd8c9145e61&sc_llid=244306&sc_lid=151992224&sc_uid=FUWKwM3ggA&cur_wareho
use=CN
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