In message <[email protected]>, "ce-test, qualified testing bv - Gert Gremmen" <[email protected]> writes
>I do not think that limitation of voltage distortion is the real reason >for harmonic current control. The electricity supply experts on the IEC committee disagree with you on that point.... > >It's the harmonic current that is bad for electrical distribution >systems. ...and on that one. 3rd harmonic current is bad for 3-phase-and-neutral *installations*, but in the distribution system, no-one usually knows where the harmonic currents go, but the voltage distortion goes everywhere. > >The specified source for harmonic <16A measurements calls out for 0 Ohm >source impedance. Annex A of 61000-3-2 does not actually say that, and it's not achievable anyway. The actual requirements do result in the need for the impedance to be very low, but not zero. -- This is my travelling signature, adding no superfluous mass. John M Woodgate - 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 <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc Graphics (in well-used formats), large files, etc. can be posted to that URL. Website: http://www.ieee-pses.org/ 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]>
