Paul wrote: > Here's one I haven't seen before, but it does a good job of showing > the wave outputs: > http://www.jkovach.net/projects/powerquality/ > > The Smart-UPS there has a wave pattern much closer to a sine wave than > the Back-UPS. > > I don't know how much difference this makes in practice, since > blackouts are rare here (after we had the power company fix a few > things), and tha backup power only lasts long enough to shut down > gracefully.
The computer and monitor's switching power supply doesn't mind the modified sine wave. Motors and transformers aren't so good on the modified sine wave but can tolerate it to some extent. -- Clark Martin Redwood City, CA, USA Macintosh / Internet Consulting "I'm a designated driver on the Information Super Highway" --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed Low End Mac's G3-5 List, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/g3-5-list?hl=en Low End Mac RSS feed at feed://lowendmac.com/feed.xml -~----------~----~----~----~------~----~------~--~---
