Yes - for example vehicle alternator load-dump transients. Jim Eichner, P.Eng. Compliance Engineering Manager Xantrex Technology Inc. phone: (604) 422-2546 fax: (604) 420-1591 e-mail: [email protected] web: www.xantrex.com Confidentiality Notice: This email message, including any attachments, is for the sole use of the intended recipient(s) and may contain confidential and privileged information. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies of the original message.
From: [email protected] [mailto:[email protected]] On Behalf Of John Woodgate Sent: Tuesday, December 21, 2004 2:01 AM To: [email protected] Subject: Re: EN61000-6-1 - Grammar and testing on DC power ports In article <2147F6D97127F6428E40FF35EA522B97C865C4@xbc- mail1.xantrex.com>, Jim Eichner <[email protected]> writes >Wouldn't the same rationale apply to DC input leads, regardless of >length? If so, how come the standard exempts them if the leads are >less than 10m long? If my equipment's input shares a DC circuit with >other loads, and they almost always do in our applications, then >actually there is a higher likelihood of load-switching transients on >the input than on the output! Would you expect *inductive* load-switching transients on the input leads? On the output leads, these could be quite energetic. -- Regards, John Woodgate, OOO - Own Opinions Only. The good news is that nothing is compulsory. The bad news is that everything is prohibited. http://www.jmwa.demon.co.uk Also see http://www.isce.org.uk This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/listserv/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] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/listserv/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] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
