Hi all, There's also another question that I would like to clarify. There is a statement in CISPR 11 (2016) - quoted text below:
"6.2.1 Limits for conducted disturbances 6.2.1.1 General ...... The limits for the LV d.c. power port specified hereafter apply only to grid connected power convertors (GCPCs) intended for assembly into photovoltaic power generating systems." So, it seems that this dc-power CE with 150 Ω Delta-network would not apply to medical devices (60601-1-2) and lab equipment (61326-1) unless they are dc-fed through a photovoltaic power generating system? Anyway, I still find the CISPR11 (2016) a bit ambiguous, since this "photovoltaic-only" requirement is not repeated or confirmed later on in "Table 3 – Limits for conducted disturbances of class A group 1 equipment measured on a test site (d.c. power port)", except for > 20kVA equipment. Also, the definition of d.c. power port in sec.3.7: "port used to connect to a low voltage d.c. power generating system or energy storage, or to another source/load Note 1 to entry: Such a system may be for example a photovoltaic or a fuel cell power generating system, or also a battery." doesn't fully clarify. So now the question is: is the statement in sec.6.2.1.1 quoted above enough to exclude anything not powered through photovoltaic power generatic system from the dc-power conducted emissions with 150 Ω Delta-networks? Thanks to all who provide feedback! Paolo On Mon, Nov 28, 2016 at 11:32 AM, ce-test, qualified testing bv - Gert Gremmen <g.grem...@cetest.nl> wrote: > EN 61326-1:2013 makes a date reference to CISPR11:2009+A12010 in its Annex > ZA > as well as in article 2. > Par 7.2 also refers to CISPR11:2009 . > The limit references for Class A and B do not refer to a dated CISPR11 > > While I am convinced this is the kind of carefulness that is common in > standards > published by IEC and CENELEC, the normative consequences are that the > latest > versions apply. > > So yes, since the publication date of June, 26th 2016 this new > version : > > Allows for FAR room measurements > Prescribes limits for DC in/output ports and defines the delta LISN type > to be used: > > "For measurements at LV d.c. power ports of power > electronic equipment, a modern > implementation of the 150 Ω Delta-network specified in CISPR > 16-1-2 has been made available" > > Regards, > > Ing. Gert Gremmen > Approvals manager > ------------------------------------------------------------ > ------------------------ > > > + ce marking of electrical/electronic equipment > + Independent Consultancy Services > + Compliance Testing and Design for CE marking > according to EC-directives: > - Electro Magnetic Compatibility 2004/108/EC > - Electrical Safety 2006/95/EC > - Medical Devices 93/42/EC > - Radio & Telecommunication Terminal Equipment 99/5/EC > + Improvement of Product Quality and Reliability testing > + Education > > Web: www.cetest.nl (English) > Phone : +31 10 415 24 26 > ------------------------------------------------------------------- > This e-mail and any attachments thereto may contain information > that is confidential and/or protected by intellectual property rights > and are intended for the sole use of the recipient(s) named above. > Any use of the information contained herein (including, but not > limited to, total or partial reproduction, communication or > distribution in any form) by persons other than the designated > recipient(s) is prohibited. If you have received this e-mail in error, > please notify the sender either by telephone or by e-mail and > delete the material from any computer. > Thank you for your co-operation. > > From: Paolo Roncone [mailto:paoloc...@gmail.com] > Sent: Monday 28 November 2016 10:25 > To: EMC-PSTC@LISTSERV.IEEE.ORG > Subject: [PSES] DC-power conducted emissions per CISPR11: 2016 > > Hi all, > > the new 2016 edition of CISPR11 requires DC power ports conducted > emissions to be done with a "150 Ohm CISPR Delta-network (DC-AN) – see > CISPR11 ed.6.1 (2016) sec. 6.2.1.3, 7.3.2.3 and Annex I) instead of a > "standard" 50uH/50ohm V-LISN, used for AC-power conducted emissions and > also for AC&DC power conducted emissions according to IEC/EN 61000-6-3, > CISPR22 and other standards. > > That means - to my understandiing - that DC-powered Laboratory equipment > (tested per IEC/EN 61326-1, sec. 7.2) and Medical devices (tested according > to IEC 60601-1-2 (sec.7.1.1) must be tested with the Delta-LISN for > DC-power conducted emissions. > > Is my understanding correct? > > Best regards, > Paolo > - > ---------------------------------------------------------------- > 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> > - ---------------------------------------------------------------- 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>
