armature bar insulation

armature field

armature field winding

field insulation

sigma field (σ-field)

Residual magnetic field/field

Magnetic field/field

armature bar

Armature Insulation

bar insulation

bar to bar insulation

Bus Bar Insulation

Bus Bar Insulation Frame

Robel bar insulation

Roebel bar insulation

insulation insulation space

a system of a major field of specialization plus a minor field

added electric field and magnetic field

adjustment between wind field and pressure field