did you start this project with "here, hold my beer" by chance?
On Fri, Nov 25, 2016 at 2:26 PM, <[email protected]> wrote: > So what I shoulda bought was a 240:480 and fed it with 208 for 416 out. > > -----Original Message----- From: [email protected] Sent: Friday, November > 25, 2016 1:15 PM To: [email protected] Subject: Re: [AFMUG] OT 3 phase > transformers > I didn't think the saturation would happen without a load. > Was only considering transformation ratio, dang. > Never a problem with small signals... > > Still need to make 400 volts Y. > I guess I am going to have to do some kind of boost or buck arrangement. > -----Original Message----- From: Seth Mattinen Sent: Friday, November 25, > 2016 1:10 PM To: [email protected] Subject: Re: [AFMUG] OT 3 phase > transformers > On 11/25/16 11:49, [email protected] wrote: > >> I purchased a used 30 KVA 208/240 2 phase transformer. 208Y 240 delta. >> > > > You're feeding 480 into a general purpose transformer that is rated for > 240 (+-10% typical)? You're saturating the core and it's ceasing to be a > transformer. Even if the breaker doesn't trip it'll probably overheat and > burn with that much overvoltage. > > ~Seth > -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
