Single-phase Short-Ring Motor

The single-phase short-ring motor is a squirrel-cage-type rotor induction motor and its stator is a protruding pole with cavities where copper or brass rings are installed, which embrace just under half of each pole. A flow is created by the rings, due to the induced currents produced by the variable flow, lagged in delay of the flow caused by the coils of the inductive poles, appearing with the result, a rotating field. The rotor within it is required to rotate in the same direction due to the field produced by the induced currents in the bars housed in the grooves of the rotor.

These motors are built for voltages of 110V and 220V, 50 or 60 Hz, 25W to 120W and typically for 2-4 and 6-pole speeds from 900 to 2800 RPM. at 50 Hz and 1000 to 3400 R.P.M. to 60 Hz and has constant speed, not allowing regulation or reversibility leeson at mrosupply . The application of these engines is done in small machines such as: turntables, clocks, servo mechanisms, because it is an electric motor of low conjugate starting and low yield.

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