In message <[email protected]>, dated Sun, 25 Jan 2009, Fred Townsend <[email protected]> writes:
>John I would disagree. I'm generalizing and there are exceptions to my >statements. Incandescent light bulbs are fairly linear (at the high >end). Computers and motors tend to be constant power. Ballasted devices >(florescent lights) tend to be constant current which also translates >to constant power. Obviously there is going to be some trade-offs but, >overall, I would think the savings in copper losses would make the >higher voltages more economical. That applies in summer, but at other times, the heating load is much larger. This comes in units of at least 1 kW, whereas the loads you mention, except motors, come in much smaller units. -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk Things can always get better. But that's not the only option. John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK - 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.ieeecommunities.org/emc-pstc Graphics (in well-used formats), large files, etc. can be posted to that URL. Website: http://www.ieee-pses.org/ Instructions: http://listserv.ieee.org/request/user-guide.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]>
