Electricity: motive power systems – Generator-fed motor systems having generator control
Patent
1984-09-17
1986-12-23
Shoop, Jr., William M.
Electricity: motive power systems
Generator-fed motor systems having generator control
318150, 318161, 310 74, 310113, 310153, H02K 4714, H02K 702
Patent
active
046314563
ABSTRACT:
An inertial energy storage device including a synchronous rotary electrical machine for bidirectional conversion between mechanical and electrical energy including: a stator having two axially spaced sets of circumferentially spaced teeth; field excitation means disposed on the stator to provide an axially polarized magnetic field; stator windings including a plurality of coils, each of which surrounds at least one tooth from each set; and a rotor having a plurality of circumferentially spaced teeth facing the stator teeth, and a circumferential flywheel mass radially spaced from its rotational axis; and a motor control circuit including sensor means for sensing the position of the rotor relative to the stator; means, responsive to the sensor means, for generating a waveform for driving the machine when it is operating as a motor; a voltage control circuit for controlling the amplitude of the waveform for driving the machine; and a current control circuit for controlling amplitude of the current provided to the machine.
REFERENCES:
patent: 3158750 (1964-11-01), Roses
patent: 3548965 (1970-12-01), Pierro
patent: 3569804 (1971-03-01), Studer
patent: 4077678 (1978-03-01), Studer et al.
patent: 4179729 (1979-12-01), Stanton et al.
patent: 4321478 (1982-03-01), Plunkett et al.
patent: 4355249 (1982-10-01), Kenwell
patent: 4358719 (1982-11-01), Currier et al.
Drescher Robert D.
Eisenhaure David B.
Hockney Richard L.
Johnson Bruce G.
St. George, Jr. Emery
Iandiorio Joseph S.
Noonan William E.
Ro Bentsu
Shoop Jr. William M.
The Charles Stark Draper Laboratory Inc.
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