Series or compound motor control circuit having dual series wind

Electricity: motive power systems – Series motors – With plural – diverse or diversely connected or controlled...

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318527, H02P 700

Patent

active

054463521

ABSTRACT:
An improved driving circuit of a series or compound motor includes at least two series excitation field windings, one end of each of the series excitation windings being jointly connected, with the same polarity, to the armature, and at least one set of the series excitation field winding is isolated by means of diodes so as to receive power from different power sources.

REFERENCES:
patent: 3336516 (1967-08-01), Kelley
patent: 4330742 (1982-05-01), Reimers
patent: 4490665 (1984-12-01), Meyer et al.
patent: 4500819 (1985-02-01), Trusock et al.
patent: 4639647 (1987-01-01), Posma
patent: 4716487 (1987-12-01), Horvath et al.

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