ABSTRACT
The time-space distribution of the magnetomotife force (MMF) of a symmetrical polyphase winding with distributed parameters fed with a balanced system of currents can be expressed as
F(x, t) = N1 √
2Ia pip
sin(ωt) ∞∑ ν=1
1 ν kw1ν cos
( ν pi
τ x )
+ N1 √
2Ia pip
sin ( ωt− 1
m1 2pi ) ∞∑ ν=1
1 ν kw1ν cos ν
( pi
τ x− 1
m1 2pi )
+ . . .
