In designing power supplies, it is common to use nominal mains voltage +/-15% (e.g. in North America, 115 +/-15%, or 98V to 132V) as a design guideline. The same +/-15% is generally true for European 230 V designs. Thus, using +/-10% for Japan seems a little skimpy. Given the rather odd collection of voltages, line frequencies and power systems in use there, if it were me, I'd allow for AT LEAST +/-15%.
Bob Wilson TIR Systems Ltd. Vancouver. -----Original Message----- From: Van Compernolle, Eric [mailto:[email protected]] Sent: June 4, 2002 8:22 AM To: '[email protected] ' Subject: Japan mains voltage Hello, As you probably know the mains voltage for Japan is 100V. For safety we are testing up to - 10%: 90 V. However for some situations in Japan , it seems you can even expect 85 V. So we are planning to define a general rule that a product for Japan must handle 85 V. Is this low voltage rule known or common use in your company? best regards, Van Compernolle Eric Reliability Manager Barco Projection Systems Noordlaan 5 8520 Kuurne Phone:+32 56 368 373 Fax:+32 56 368 355 mailto:[email protected] http://www.barco.com > ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://ieeepstc.mindcruiser.com/ Click on "browse" and then "emc-pstc mailing list" ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://ieeepstc.mindcruiser.com/ Click on "browse" and then "emc-pstc mailing list"
