Sorry I may not have been clear enough, but I got the idea they were looking for someone to advise them on power line noise in buildings - like using a power line monitor, or similar, in the ground wiring.
Ken _______________________ I'm here to help you succeed! Feel free to call or email with any questions related to EMC or EMI troubleshooting - at no obligation. I'm always happy to help! Kenneth Wyatt Wyatt Technical Services LLC 56 Aspen Dr. Woodland Park, CO 80863 Phone: (719) 310-5418 Web Site <http://www.emc-seminars.com/> | Blog <https://design-4-emc.com/> The EMC Blog (EDN) <https://www.edn.com/electronics-blogs/4376432/The-EMC-Blog> Subscribe to Newsletter <http://www.emc-seminars.com/Newsletter/Newsletter.html> Connect with me on LinkedIn <https://www.linkedin.com/in/kennethwyatt/> > On Jun 27, 2020, at 6:13 PM, Ken Javor <ken.ja...@emccompliance.com> wrote: > > Replying to all here because the first time I just did a list reply and was > rejected by the list server. > > Seems as if we need answers to more questions before making a > recommendation, technical or personnel. > > Why are they interested in this? For any device meeting FCC/CISPR-type EMI > requirements the individual load steady-state contribution can be bound by > considering the conducted emission limit to be all common mode. And then > there is some sort of rss summation, in the frequency and time domains. > There may be some heavy loads switching below 150 kHz, but they should be in > a minority. > > Current? Voltage? If voltage, at what point: outlet or breaker box or... ? > > Knowing what their concern is would go a long ways towards defining what the > problem solution is, and who might be the best at solving it. > > > Ken Javor > Phone: (256) 650-5261 > > From: Ken Wyatt <k...@emc-seminars.com <x-msg://13/k...@emc-seminars.com>> > Reply-To: Ken Wyatt <k...@emc-seminars.com <x-msg://13/k...@emc-seminars.com>> > Date: Sat, 27 Jun 2020 15:01:31 -0600 > To: <EMC-PSTC@LISTSERV.IEEE.ORG <x-msg://13/EMC-PSTC@LISTSERV.IEEE.ORG>> > Subject: [PSES] Power line noise expert? > > Hi All, > > I had an inquiry from someone who would like some help with power line noise > specifically in buildings. This is really outside my specialties, so was > wondering who on the list I could recommend to them? > > Here’s the original question: > > I have interest in better understanding of a building's power distribution > network and more specifically with quantifying the EMI that is observed on > the AC power safety ground. The frequency range is DC to 1MHz, low-frequency > range. > > Who could help with this? > > Thanks, Ken > _______________________ > > I'm here to help you succeed! Feel free to call or email with any questions > related to EMC or EMI troubleshooting - at no obligation. I'm always happy to > help! > > Kenneth Wyatt > Wyatt Technical Services LLC > 56 Aspen Dr. > Woodland Park, CO 80863 > > Phone: (719) 310-5418 > > Web Site <http://www.emc-seminars.com <http://www.emc-seminars.com/>> | Blog > <https://design-4-emc.com <https://design-4-emc.com/>> > The EMC Blog (EDN) > <https://www.edn.com/electronics-blogs/4376432/The-EMC-Blog > <https://www.edn.com/electronics-blogs/4376432/The-EMC-Blog>> > Subscribe to Newsletter > <http://www.emc-seminars.com/Newsletter/Newsletter.html > <http://www.emc-seminars.com/Newsletter/Newsletter.html>> > Connect with me on LinkedIn <https://www.linkedin.com/in/kennethwyatt/ > <https://www.linkedin.com/in/kennethwyatt/>> > > - > ---------------------------------------------------------------- > > 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 <x-msg://13/emc-p...@ieee.org>> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > <http://www.ieee-pses.org/emc-pstc.html> > > Attachments are not permitted but the IEEE PSES Online Communities site at > http://product-compliance.oc.ieee.org/ > <http://product-compliance.oc.ieee.org/> can be used for graphics (in > well-used formats), large files, etc. > > Website: http://www.ieee-pses.org/ <http://www.ieee-pses.org/> > Instructions: http://www.ieee-pses.org/list.html > <http://www.ieee-pses.org/list.html> (including how to unsubscribe) > <http://www.ieee-pses.org/list.html <http://www.ieee-pses.org/list.html>> > List rules: http://www.ieee-pses.org/listrules.html > <http://www.ieee-pses.org/listrules.html> > > For help, send mail to the list administrators: > Scott Douglas <sdoug...@ieee.org <x-msg://13/sdoug...@ieee.org>> > Mike Cantwell <mcantw...@ieee.org <x-msg://13/mcantw...@ieee.org>> > > For policy questions, send mail to: > Jim Bacher <j.bac...@ieee.org <x-msg://13/j.bac...@ieee.org>> > David Heald <dhe...@gmail.com <x-msg://13/dhe...@gmail.com>> > > - > ---------------------------------------------------------------- > 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 > <http://www.ieee-pses.org/emc-pstc.html> > Attachments are not permitted but the IEEE PSES Online Communities site at > http://product-compliance.oc.ieee.org/ > <http://product-compliance.oc.ieee.org/> can be used for graphics (in > well-used formats), large files, etc. > Website: http://www.ieee-pses.org/ <http://www.ieee-pses.org/> > Instructions: http://www.ieee-pses.org/list.html (including how to > unsubscribe) <http://www.ieee-pses.org/list.html> > List rules: http://www.ieee-pses.org/listrules.html > <http://www.ieee-pses.org/listrules.html> > 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>> - ---------------------------------------------------------------- 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> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <sdoug...@ieee.org> Mike Cantwell <mcantw...@ieee.org> For policy questions, send mail to: Jim Bacher: <j.bac...@ieee.org> David Heald: <dhe...@gmail.com>
