Commutator (electric)
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A commutator is a rotary electrical switch in certain types of electric motors and electrical generators that periodically reverses the current direction between the rotor and the external circuit. It
Commutator in a universal motor from a vacuum cleaner. Parts: (A) commutator, (B) brush, (C) rotor (armature) windings, (D) stator (field) windings, (E) brush guides, (F) electrical connections.
A tiny five-segment commutator less than 2 mm in diameter, on a direct-current motor in a toy radio-control ZipZaps car
Commutator and brush assembly of a traction motor; the copper bars can be seen with lighter insulation strips between the bars. Each dark grey carbon brush has a short flexible copper jumper lead attached. Parts of the motor field winding, in red, can be seen to the right of the commutator.
Commutating plane definitions
Slip ring
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A slip ring or collector ring is an electromechanical device that allows the transmission of power and electrical signals from a stationary to a rotating structure. A slip ring can be used in any elec
Slip rings on a hydroelectric generator: A - stationary spring-loaded graphite brushes B - rotating steel contact ring C - insulated connections to generator field winding D - top end of generator shaft
The two most common types of slip ring