A simple 3-phase PWM from a PIC can give you your waveforms. It is then an
exercise for the reader to convert to 115V. I would probably drive the PWM
output into a power op-amp wired as a voltage follower and then through a
low-voltage to 115V transformer wired backwards.

~ Bob Ammerman
RAm Systems

> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf
> Of Brooke Clarke
> Sent: Monday, September 14, 2015 3:18 PM
> To: piclist@mit.edu
> Subject: [EE] 3-Phase 400Hz 115 VAC Supply
>=20
> Hi:
>=20
> I've got aWild Heerbrugg ARK 2 surveying north finding gyroscope on order
> and it needs a 3-Phase 400Hz 115 VAC power Supply to drive the gyroscope
> motor.
> I expect that power needed is less than a watt.  I've been searching for
over
> a week and so far have only found supplies that deliver many kilowatts.
> Any thoughts on where to buy a ready made supply or plans to make one?
> http://www.prc68.com/I/North.shtml#Wild
>=20
> I expect what I'm looking for would be used to test aircraft instruments.
>=20
> --
> Have Fun,
>=20
> Brooke Clarke
> http://www.PRC68.com
> http://www.end2partygovernment.com/2012Issues.html
> http://www.prc68.com/I/DietNutrition.html
> --
> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
> View/change your membership options at
> http://mailman.mit.edu/mailman/listinfo/piclist

--=20
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