In message <[email protected]>, dated Wed, 8 Nov 2006, "Kunde, Brian" <[email protected]> writes >Greetings, > >1. Can anyone provide specifications for a "worst case" real world AC >power line condition in which an apparatus is expected to operate >properly in (pass/criteria A)? This would encompass a combination of >harmonics, voltage variations, frequency variations, etc..
EN 50160 gives the operational limits for EU supplies. But a combination of all of the worst cases is highly improbable. I have sent a blind copy of your query to someone who is a real expert on this specific subject, so you may get a very definitive response. > >2. Also, if anyone has a program for a California Instrument CTS >system with a 5000ix power supply that could test for a "worst case" AC >line condition, that would be helpful. I have heard that some companies >have developed such a custom program to simulate poor power conditions >from different parts of the world. Such a program would operate with >the the provided CIgui32 program. > >3. Can anyone recommend an AC Power Line analyzer that we can just >plug-in and it will analyze the AC power conditions at different >customer locations? Then we could take the results and program our >5000ix power supply to simulate those conditions in our lab. > >The reason I'm asking is that from time to time we have experienced >problems in the field due to with poor AC power line conditions at some >customer locations even though we test and comply with the standard >tests that are required for CE (surge, burst, dips, etc). We want to >develop an internal test standard that will minimize problems in the >field. > >Thank for any help or advice you can offer. > >The Other Brian. > >- >---------------------------------------------------------------- >This message is from the IEEE Product Safety Engineering Society >emc-pstc discussion list. Website: http://www.ieee-pses.org/ > >To post a message to the list, send your e-mail to [email protected] > >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] > >All emc-pstc postings are archived and searchable on the web at: > > http://www.ieeecommunities.org/emc-pstc -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk Swine wave - a waveform whose spectrum is exceptionally difficult to calculate. John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] 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] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email ______________________________________________________________________
