Absolutely!
Thus, an equipment mfr really does need to ask their local importer/agent in the country concerned to confirm the local 3-/1-phase voltage actually IS in the location(s) where that kit will/might be installed/sold – especially in less-developed/”3rd World” countries. John E Allen West London, UK. From: Ted Eckert <ted.eck...@microsoft.com> Sent: 28 October 2020 22:47 To: john_e_al...@blueyonder.co.uk; EMC-PSTC@LISTSERV.IEEE.ORG Subject: RE: [EXTERNAL] Re: [PSES] Electric Current Abroad As John noted, some are a “bit different”. For example, you will occasionally find Scott transformers <https://en.wikipedia.org/wiki/Scott-T_transformer> in Japan. Then there is Brazil where you could find practically anything. Single-phase could be 110 V, 120 V, 127 V, 220 V or 230 V. It can vary within different locations in a city. Ted Eckert Microsoft Corporation The opinions experessed are my own and do not necessarily reflect those of my employer. From: John E Allen <000009cc677f395b-dmarc-requ...@listserv.ieee.org <mailto:000009cc677f395b-dmarc-requ...@listserv.ieee.org> > Sent: Wednesday, October 28, 2020 3:00 PM To: EMC-PSTC@LISTSERV.IEEE.ORG <mailto:EMC-PSTC@LISTSERV.IEEE.ORG> Subject: [EXTERNAL] Re: [PSES] Electric Current Abroad That worldstandards list is, in reality, inaccurate w.r.t. the 3-phase voltages in the UK, and in countries where UK design practice prevails, where the “real world” 3-phase (STAR/WYE config) was/is around 415V (even though the UK now “conforms” to the long-ago EU agreed level of 380V because 380V +10% is 418V - i.e. = 415V, or “near enough”). In reality that means the 1-phase voltage is around 240-245V (recently measured 243V upstairs in this house). Thus one should take that list with the proverbial “pinch of salt” as the “real world” voltages in some countries may be a “bit different” to the nominal ones. John E Allen West London, UK From: Scott Aldous <00000220f70c299a-dmarc-requ...@listserv.ieee.org <mailto:00000220f70c299a-dmarc-requ...@listserv.ieee.org> > Sent: 28 October 2020 21:19 To: EMC-PSTC@LISTSERV.IEEE.ORG <mailto:EMC-PSTC@LISTSERV.IEEE.ORG> Subject: Re: [PSES] Electric Current Abroad Hi Doug, Have you seen the list from worldstandards? It doesn't cover the phase configurations directly but does have a column for number of wires. https://www.worldstandards.eu/electricity/three-phase-electric-power/ <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.worldstandards.eu%2Felectricity%2Fthree-phase-electric-power%2F&data=04%7C01%7Cted.eckert%40microsoft.com%7C95e92ee86677454ea8df08d87b8d1659%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637395194073397525%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=EyfZMKjgvCYvimgM%2Bp79za%2BffqgUkGZwwCAvO8AvQ1Q%3D&reserved=0> On Wed, Oct 28, 2020 at 1:48 PM Douglas Powell <doug...@gmail.com <mailto:doug...@gmail.com> > wrote: All, In the distant past I struggled to learn what were the expected electrical voltage, frequency, and phase configurations (delta, wye, high-leg, etc) for commercial/industrial facilities in various countries. I know about IEC 60038 standard voltages, but standard voltages don't always represent real life in specific locales. What I wanted was a good country-by-country listing for three phase power. The source I most often used was "http://www.ita.doc.gov/media/Publications/pdf/current2002FINAL.pdf <https://nam06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.ita.doc.gov%2Fmedia%2FPublications%2Fpdf%2Fcurrent2002FINAL.pdf&data=04%7C01%7Cted.eckert%40microsoft.com%7C95e92ee86677454ea8df08d87b8d1659%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637395194073407494%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=%2BPgczaXTNxb9l9muvirDA1W0SiZfo5fwXkUlBUnEpiE%3D&reserved=0> ". A 2002 reprint of the 1998 document, and now a broken link. After a generic search of www.ita.doc.gov <https://nam06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.ita.doc.gov%2F&data=04%7C01%7Cted.eckert%40microsoft.com%7C95e92ee86677454ea8df08d87b8d1659%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637395194073407494%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=kgNk62JOps4%2BJdjaH7j7L%2FVmmtV9IjuO2aHo%2BOllS3U%3D&reserved=0> , It seems it is no longer available. Yes, I realize the information was getting old but finding no up to date alternative, I searched elsewhere. And besides, It's not likely that such things like this change rapidly. Google Books: Link Wayback Machine: Link <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fweb.archive.org%2Fweb%2F20130423040219%2Fhttp%3A%2Fwww.ita.doc.gov%2Fmedia%2FPublications%2Fpdf%2Fcurrent2002FINAL.pdf&data=04%7C01%7Cted.eckert%40microsoft.com%7C95e92ee86677454ea8df08d87b8d1659%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637395194073417489%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=MoL%2FtzsE8x664AEdi5eLq2MMEi2sTyrNvFMQ5loAsQ0%3D&reserved=0> I seem to remember a place on the web with a database lookup. Does anyone know of a comprehensive resource for three-phase power in this world? No need to refer to orbital platforms, the moon, or other planets just yet. Thanks! Doug -- Douglas E Powell doug...@gmail.com <mailto:doug...@gmail.com> http://www.linkedin.com/in/dougp01 <https://nam06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.linkedin.com%2Fin%2Fdougp01&data=04%7C01%7Cted.eckert%40microsoft.com%7C95e92ee86677454ea8df08d87b8d1659%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637395194073427483%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=OGezq9ZNk%2B0DugwdZh5SdmbVp2wZwhvLxbuaStf8v48%3D&reserved=0> - ---------------------------------------------------------------- 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 <emc-p...@ieee.org <mailto:emc-p...@ieee.org> > All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html <https://nam06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.ieee-pses.org%2Femc-pstc.html&data=04%7C01%7Cted.eckert%40microsoft.com%7C95e92ee86677454ea8df08d87b8d1659%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637395194073427483%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=vH21HT7o9Q8IA3nBhGklw01oQFNbFzYZN764fV2fcwg%3D&reserved=0> Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ <https://nam06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fproduct-compliance.oc.ieee.org%2F&data=04%7C01%7Cted.eckert%40microsoft.com%7C95e92ee86677454ea8df08d87b8d1659%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637395194073427483%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=42YliGqJAx51PtPTXAyugHWiS6c7kd6dLXTs1xAGnDs%3D&reserved=0> can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ <https://nam06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.ieee-pses.org%2F&data=04%7C01%7Cted.eckert%40microsoft.com%7C95e92ee86677454ea8df08d87b8d1659%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637395194073437476%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=KgNzUJ9N6oJB8rqR6JAM6OlCCnRXVSrWdd6Be50QPyA%3D&reserved=0> Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) <https://nam06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.ieee-pses.org%2Flist.html&data=04%7C01%7Cted.eckert%40microsoft.com%7C95e92ee86677454ea8df08d87b8d1659%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637395194073437476%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=q1ylG9zDIRnMRADalwFkVgK4M8adCOwzm5CTbPxO6oU%3D&reserved=0> List rules: http://www.ieee-pses.org/listrules.html <https://nam06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.ieee-pses.org%2Flistrules.html&data=04%7C01%7Cted.eckert%40microsoft.com%7C95e92ee86677454ea8df08d87b8d1659%7C72f988bf86f141af91ab2d7cd011db47%7C0%7C0%7C637395194073447475%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=6HkQLCEWgY3hdtkyKBPI7uh%2BdqzVD%2F4cxgT6II192ec%3D&reserved=0> For help, send mail to the list administrators: Scott Douglas <sdoug...@ieee.org <mailto:sdoug...@ieee.org> > Mike Cantwell <mcantw...@ieee.org <mailto:mcantw...@ieee.org> > For policy questions, send mail to: Jim Bacher <j.bac...@ieee.org <mailto:j.bac...@ieee.org> > David Heald <dhe...@gmail.com <mailto:dhe...@gmail.com> > -- Scott Aldous | Regulatory Compliance Manager | scottald...@google.com <mailto:scottald...@google.com> | 650-253-1994 - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. 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