The Class Notes

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The following are the notes as interpreted by Kirk Betz from ENGR 431 taught by Dr. Rob Frohne. Electrical Magnetic Conversion is the study of magnetic circuits in all there forms.


Notes for reviewer Be sure all 'l' have been replaced with

EMEC Notes

January 4, 2010

Introduction to EMEC

Syllabus was handed out and an outline of the class structure what introduce. We where also briefed on what we would be talking about his quarter.

Magnetic Circuits

January 6 2010


Magnetic cir.JPG

Picture drawn by Kirk Betz based on drawing by Dr. Frohnes, lecture Jan. 6, 2010

Magnetic Equations

BHField.JPG

Picture drawn by Kirk Betz based on drawing by Dr. Frohnes, lecture Jan. 6, 2010

BFieldsmall.JPG BFsmall.JPG

Pictures drawn by Kirk Betz based on drawing by Dr. Frohnes, lecture Jan. 6, 2010

Magnetic Circuits Examples

What about chancing currents, etc.?

Magnetloop.JPG

Picture drawn by Kirk Betz based on drawing by Dr. Frohnes, lecture Jan. 8, 2010

Case i)

Something about this part doesn't seem right.

Graph and picture 6

,


Magnetic Circuits Continued

jan 11, 2010

some random graph here, can't really read it.

Case ii) Include non-linearity & find B in the Gap

picture 7 goes here

not sure about the -1 here

What energy is list in the hysteresis loop?

hmm check these

e is voltage