In message <f72651ec60c2c945878cf1cf6a3e5af401bc8...@ntxboimbx13.micron.com>, dated Thu, 22 Dec 2005, drcuthb...@micron.com writes > Loading a transformer secondary does absolutely nothing to the >magnetic core flux. The core flux is set by the magnetizing current and >not the load current. Does this sound correct to the rest of the group?
It would be true if the primary winding resistance was zero. In fact, the increased voltage drop across that, under load, reduces the induction and flux a bit - 2.5% in a big transformer and 5% in a small one, typically. -- Due to a virus attack, I've lost all my clever signature tags. Are you sorry? OOO - Own Opinions Only. See http://www.jmwa.demon.co.uk and http://www.isce.org.uk John Woodgate - 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 emc-p...@ieee.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 emcp...@ptcnh.net Mike Cantwell mcantw...@ieee.org For policy questions, send mail to: Jim Bacher: j.bac...@ieee.org David Heald: emc-p...@daveheald.com All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
