I have used a 60 Hz transformer for MIL-STD-461 CS01/101 which is much higher power than required for this application. I may have not gotten to 50 kHz/150 kHz, but it was just fine at 1 kHz. It's not a problem.
Ken Javor Phone: (256) 650-5261 > From: Brian O'Connell <[email protected]> > Reply-To: Brian O'Connell <[email protected]> > Date: Fri, 8 Jul 2016 17:10:08 +0000 > To: <[email protected]> > Conversation: Using 60 Hz isolation transformer at 400 Hz > Subject: Re: [PSES] Using 60 Hz isolation transformer at 400 Hz > > Think of it in terms of hysteresis loss and eddy current, which are > proportional to freq. Eddy current loss would depend on construction (hi-R > magnetics and lam thickness). Might want to verify xfmr temp. And it may be > noisy. > > The biggie is to never use a 400Hz xfmr at 60Hz (core sat). > > If you are feeling froggy, fun to run 100kVA, 60Hz distribution xfmrs at > 1000Hz - try it at least once. > > Brian > > > From: David Gelfand [mailto:[email protected]] > Sent: Friday, July 08, 2016 9:25 AM > To: [email protected] > Subject: [PSES] Using 60 Hz isolation transformer at 400 Hz > > Esteemed colleagues, > > I have to prepare a debug setup for a DO-160 test, and we need to float the > 400 Hz power supply. Can we use an isolation transformer rated at 60Hz, 150 > VA? The EUT draws about 10W. Your input is most appreciated. > > Regards, > > David > > - > ---------------------------------------------------------------- > This message is from the IEEE Product Safety Engineering Society emc-pstc > discussion list. To post a message to the list, send your e-mail to > <[email protected]> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > > Attachments are not permitted but the IEEE PSES Online Communities site at > http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used > formats), large files, etc. > > Website: http://www.ieee-pses.org/ > Instructions: http://www.ieee-pses.org/list.html (including how to > unsubscribe) > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > Scott Douglas <[email protected]> > Mike Cantwell <[email protected]> > > For policy questions, send mail to: > Jim Bacher: <[email protected]> > David Heald: <[email protected]> - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]> Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher: <[email protected]> David Heald: <[email protected]>
