Possible Conflict of Interest Alert: I am employed by Taiyo Yuden. This issue is directely addressed in this article on ECN:
http://www.ecnmag.com/ecnmag/issues/2001/03012001/ec13pss102_.asp R/S, Brian O'Connell Taiyo Yuden (USA), Inc. -----Original Message----- From: John Woodgate [mailto:[email protected]] Sent: Thursday, March 15, 2001 12:19 PM To: [email protected] Subject: Re: PFC filter <[email protected]>, [email protected] inimitably wrote: >I have been told by a customer that there are PFC filter available commercially >off the shelf just like the EMI filter that I can buy and put it in front of my >power supply and the PFC filter will cure most of the harmonic problems. Is this >ture? If so can anyone let me have some manufacturer name or web address for >these filters please? It is substantially not true, in that no such device will, for example, eliminate even the low-order harmonic currents of an SMPS. If you had something that produced only, or mainly, one specific harmonic, then a filter would be practicable. -- Regards, John Woodgate, OOO - Own Opinions Only. Phone +44 (0)1268 747839 ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Michael Garretson: [email protected] Dave Heald [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.rcic.com/ click on "Virtual Conference Hall,"

