carlos e r vyjwdtrpcautelefonicanet begin pgp signed message hash sha1 thursday 20080214 1307 0500 james knott wrote dont see transformer primary inductor anything _but_ reactive unloaded transformer inductive limits current low value lagging voltage 90 degrees load increases voltage current come closer phase transformer maximum load phase angle 0 assuming resistive load transformer problem case load neither switched calculate real power used need sample waveform least 15 samples per period voltage current multiply integrate root mean square rms need type cpu actually chip guess measurement gadgets appeared market cheers carlos e r begin pgp signature version gnupg v204svn0 gnulinux id8dbqfhtke1ttmyhg2nr9uraraaaj9jc58fukdktt7kxmfllwzoukjfgcfbipe x2janu7psn7tfibc1orywe lvtb end pgp signature wed 06 aug 2008 025201 0100 opensuse ot much power pc really consume