If anyone has to comply with CTL OP-110 (now OD-5010), it's a lot easier with an agile power supply (vs motor-generator or other source)
On Fri, Sep 7, 2018 at 3:55 PM, Nyffenegger, Dave < [email protected]> wrote: > I use a 160kVA 3-phase 208V frequency inverter with 50/60Hz output > selection and ability to vary output voltage +-10%. Unfortunately it > doesn’t do 230/240V so we have to use something else for smaller single > phase loads when we need it. > > > > -Dave > > > > *From:* Doug Powell [mailto:[email protected]] > *Sent:* Friday, September 07, 2018 3:16 PM > *To:* [email protected] > *Subject:* [PSES] Making 50 Hz power > > > > Greetings all, > > > > In the past I've needed to produce three phase 50 Hz power to do safety, > EMC testing as well as certain validation tests. I've used several methods > including gas powered generators, electric motor-generators with different > sized pulleys and of course AC Power Sources. Once again, I am faced with > this need and must make a choice as to which route to follow. As for > budgetary, rental is preferred over purchase and I am working in the 50 to > 100 KVA range. I d need variable frequency as well as voltage adjustment > for high and low line. I have a small collection of transformers to help > with large voltage changes. Although I've never done it, I am also aware > that it is possible to configure motor-generators with direct drive shafts > and select the number of poles and RPM to change output frequency. > > > > My question is what method are most folks in this forum using when it > comes to 50 Hz higher power levels? > > > > Thanks! Doug > > > > > > > > -- > > > > Douglas E Powell > > [email protected] > http://www.linkedin.com/in/dougp01 > > - > ---------------------------------------------------------------- > > 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) <http://www.ieee-pses.org/list.html> > 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) <http://www.ieee-pses.org/list.html> > 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]>

