You are right. What I meant to say is that the higher order harmonics riding on top of the tens to hundreds of amps of the 60 Hz power source can induce cancer, according to some researchers.
George From: [email protected] [mailto:[email protected]] On Behalf Of John Woodgate Sent: Friday, July 25, 2008 11:39 PM To: [email protected] Subject: Re: Another Cancer Scare? In message <[email protected]>, dated Fri, 25 Jul 2008, "Tang, George" <[email protected]> writes: >There has been some research published in the last few years about >power line harmonics inducing cancer in the human body. These are >fields in the kHz to hundreds of kHz and currents in the range of tens >of amps to hundreds of amps. There has also been a very great deal more research published that finds no such effects. See, for example: http://www.faqs.org/faqs/medicine/powerlines-cancer-faq/ If there were hundreds of amps at hundreds of kHz circulating in any power distribution system, it would collapse due to system capacitor heating and vast over-voltages on system inductors. -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk Either we are causing global warming, in which case we may be able to stop it, or natural variation is causing it, and we probably can't stop it. You choose! John Woodgate, J M Woodgate and Associates, Rayleigh, Essex 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/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] 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/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] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
