Jeff Check the performance criteria required.
EN50082-1 calls for: 30% dip for 10mS criteria B 60% dip for 100mS criteria C 100% dip for 5s criteria C Although the last two tests are more severe, the performance criteria is relaxed. Regards Chris Colgan Compliance Engineer TAG McLaren Audio Ltd The Summit, Latham Road Huntingdon, Cambs, PE29 6ZU *Tel: +44 (0)1480 415 627 *Fax: +44 (0)1480 52159 * Mailto:chris.col...@tagmclarenaudio.com * http://www.tagmclarenaudio.com > -----Original Message----- > From: JENKINS, JEFF [SMTP:jeff.jenk...@aei.com] > Sent: 13 February 2001 17:42 > To: emc-p...@ieee.org > Subject: voltage dip requirements > > > Hello Group, > > I just received a brand new, shiny copy of EN 61000-6-2. The voltage dip > / > interruption requirements are not clear to me. Table 4 quantifies dip and > interruption levels as "% reduction." So, when they say a "30% > reduction," > I assume they mean that the voltage is reduced to 70% of its nominal > value, > e.g. 120 Vac is reduced to 84 Vac. This is well and good, but it seems > illogical to me that the duration of the dip should increase with its > severity. For instance, while they specify a 30% reduction for one-half > cycle, they specify a 60% reduction for 50 cycles and a 95% reduction for > 250 cycles! Say it isn't so! I'm clinging to a desperate hope that they > don't mean "x," but rather "1-x." > > Regards, > > Jeff Jenkins > Advanced Energy Industries, Inc. > Fort Collins, CO USA > > > > ------------------------------------------- > This message is from the IEEE EMC Society Product Safety > Technical Committee emc-pstc discussion list. > > To cancel your subscription, send mail to: > majord...@ieee.org > with the single line: > unsubscribe emc-pstc > > For help, send mail to the list administrators: > Jim Bacher: jim_bac...@mail.monarch.com > Michael Garretson: pstc_ad...@garretson.org > > For policy questions, send mail to: > Richard Nute: ri...@ieee.org > ************************************************************** Please visit us at www.tagmclarenaudio.com ************************************************************** The contents of this E-mail are confidential and for the exclusive use of the intended recipient. If you receive this E-mail in error, please delete it from your system immediately and notify us either by E-mail, telephone or fax. You should not copy, forward or otherwise disclose the content of the E-mail. TAG McLaren Audio Ltd The Summit, 11 Latham Road Huntingdon, Cambs, PE29 6ZU Telephone : 01480 415600 (+44 1480 415600) Facsimile : 01480 52159 (+44 1480 52159) ************************************************************** Please visit us at www.tagmclarenaudio.com ************************************************************** ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. To cancel your subscription, send mail to: majord...@ieee.org with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Jim Bacher: jim_bac...@mail.monarch.com Michael Garretson: pstc_ad...@garretson.org For policy questions, send mail to: Richard Nute: ri...@ieee.org
