Symbol
|
Description
|
Am
|
Magnetic area of the magnet
|
Ag
|
Magnetic area of air gap
|
Asby
|
Magnetic area of stator back iron
|
Ast
|
Magnetic area of stator tooth
|
Arby
|
Magnetic area of rotor back iron
|
lm
|
Magnetic length of magnet
|
lg
|
Magnetic length of air gap
|
lst
|
Magnetic length of stator tooth
|
lsby
|
Magnetic length of stator back iron
|
lrby
|
Magnetic length of rotor back iron
|
Rg
|
Air gap reluctance
|
Rm
|
Magnet reluctance
|
Rst
|
Stator tooth reluctance
|
Rsby
|
Stator back iron reluctance
|
Rrby
|
Rotor back iron reluctance
|
R
|
Total magnetic circuit reluctance
|
Fc
|
Coil MMF
|
Phi
|
Total flux
|
Phig
|
Air gap flux
|
Fg
|
Air gap MMF
|
Fm
|
Magnet MMF
|
Fst
|
Stator tooth MMF
|
Fsy
|
Stator back iron MMF
|
Fry
|
Rotor back iron MMF
|
Hg
|
Air gap magnetic field
|
Hm
|
Magnet magnetic field
|
Hst
|
Stator tooth magnetic field
|
Hsy
|
Stator back iron magnetic field
|
Hry
|
Rotor back iron magnetic field
|
Bmsat
|
Magnet saturation flux density
|
Bg
|
Air gap flux density
|
Bm
|
Actual magnet flux density
|
Bsby
|
Stator back iron flux density
|
Bst
|
Stator tooth flux density
|
Brby
|
Rotor back iron flux density
|