Magnetic slot wedges for Motors

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✓Made up of wedge-shaped segments of high conductivity hard drawn copper of slot × No of conductorsslot P= No of generator poles A =No of

Sectional view of a DC machine Page 13 Construction of DC Generator Made of wedge shaped copper segments Segments are insulated from each other  They are usually kept in place by wedges of wood or moulded insulation such as prespahn bakelite which Seal the open ends of the slots The windings and slot

dice slot en ligne Commutator: the commutator is of cylindrical in shape and is made up of wedge-shaped high conductivity hard drawn copper segments These segments are insulated Plain un-notched slots or slots without wedge portion are used only for low capacity machines In this case the coils are restricted from coming out of the slot