Electricity: motive power systems – Synchronous motor systems – Armature winding circuits
Patent
1993-11-09
1996-05-07
Wysocki, Jonathan
Electricity: motive power systems
Synchronous motor systems
Armature winding circuits
H02P 100
Patent
active
055149421
ABSTRACT:
A circuit arrangement for driving an inductive load (M) having a first (1) and a second sub-winding (2), which sub-windings can be connected to an energy source (5) via switch devices (9, 10) periodically driven by a controller (16). The source produces a DC voltage (U5) to supply energy to the load (M). Alternatively, the sub-windings are coupled electrically (3) and magnetically (6) like an autotransformer, while voltages (for example U8) for feeding the controller (16) can be tapped from the transformer end terminals (7,8) which are formed by non-interconnected terminals of the sub-windings (1,2). In this circuit arrangement start and operation is ensured with the least possible additional circuitry even if the DC voltage taken from the energy source is less than the supply voltage necessary for the controller.
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patent: 4520296 (1985-05-01), Lepper et al.
patent: 4920475 (1990-04-01), Rippel
patent: 4994955 (1991-02-01), Schoofs et al.
patent: 5017800 (1991-03-01), Divan
patent: 5142238 (1992-08-01), White
patent: 5291383 (1994-03-01), Oughton
patent: 5365118 (1994-11-01), Wilcox
Albach Manfred
Husgen Theo
Kraus Robert J.
U.S. Philips Corporation
Wysocki Jonathan
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