Electricity: motive power systems – Synchronous motor systems – Hysteresis or reluctance motor systems
Patent
1991-09-11
1994-09-27
Shoop, Jr., William M.
Electricity: motive power systems
Synchronous motor systems
Hysteresis or reluctance motor systems
318254, 318810, H02P 763
Patent
active
053509900
ABSTRACT:
A circuit arrangement for commutating a reluctance motor including a current generator which produces first and second cyclic sequences of current pulses. In response to the first cyclic sequence applied to the stator windings of the motor, a rotor travels a predetermined distance along a motion coordinate path. Application of the second sequence to the stator windings results in the rotor traveling at least twice the predetermined distance along the motion coordinate path. The second sequence, which is applied when rotor speed exceeds a predetermined level, is formed by omitting predetermined current pulses from the first cyclic sequence.
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T. J. E. Miller, "Brushless Permanent-Magnet and Reluctance Motor Drives", Claredon Press, Oxford 1989, pp. 171-180.
Austermann Ralf
Van Der Broeck Heinz
Blocker Edward
Cabeca John W.
Gathman Laurie E.
Shoop Jr. William M.
U.S. Philips Corporation
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