Gallery, Projects and General > How do I??

Reversing D.C. Motor Direction

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John Rudd:

--- Quote from: Pete. on July 18, 2018, 02:21:25 AM ---
--- Quote from: John Rudd on July 18, 2018, 01:14:21 AM ---I dont comoletely understand what you have there, given your description.....

A dc motor has magnets, no wound field coils....it will run on a dc supply only

A universal motor doesnt have magnets, but wound field coils....will run on either ac or dc supply

Any how, in either case, swapping over the wires to the brushes will change the direction of rotation....

Do be careful..... :zap:

--- End quote ---

My lathe has a DC-only motor with field windings.

--- End quote ---

Ok, a generalisation, there's always an exception like a car's starter motor

In your case ..presumably the field windings are in series then with the armature? That is the same configuration as a universal motor that can run on ac.....

Pete.:
No it's shunt wound.

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