Apparatus and method for controlling an electric motor having an

Details Apparatus and method for controlling an electric motor having an Apparatus and method for controlling an electric motor having an

1997-01-03

1998-08-04

Masih, Karen

Electricity: motive power systems

Induction motor systems

Braking

318376, 318378, 318139, H02P 318

Patent

active

057898960

ABSTRACT:
A circuit for controlling a motor having an armature and a series-wound, series-connected field coil that can be separately controlled during regenerative braking. The circuit includes a main switching circuit, an armature circuit, and a field circuit. The main switching circuit includes a first switch and a first diode parallel-connected to the first switch. The armature circuit includes a second switch parallel-connected to the armature and series-connected to the main switching circuit, and includes a second diode parallel-connected to the second switch. The field circuit includes a third diode parallel-connected to the field coil and series-connected to the armature circuit.

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R. A. Hill and J. J. Sartaine, The Use of AC/DC Regenerative Drives On Continuous Miners And Shuttlecars, Mar., 1986, Society of Mining Engineers of AIME, New Orleans, Louisiana.

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