Electricity: single generator systems – With physical starting and/or stopping of the generator
Patent
1982-05-26
1985-10-01
Hickey, R. J.
Electricity: single generator systems
With physical starting and/or stopping of the generator
310178, 310242, 322 48, H02K 3100, H02P 900
Patent
active
045448744
ABSTRACT:
A high-energy, high-current homopolar generator pulsed power supply system that is compact and field portable. The power supply system includes a hompolar generator (HPG), an auxiliary supply and drive system, both mounted on a skid frame, and a control system coupled to the HPG and drive system. The homopolar generator has a split rotor with insulation between the halves and a recess in the periphery. A stator ring and field coil, for producing a magnetic field through which the rotor halves make two simultaneous voltage-generating passes, are disposed within the recess in the rotor. Air-actuated brush mechanisms inside and outside the recess contact surfaces of the rotor and collect discharge current. The auxiliary supply and drive system includes a motoring system comprising hydraulic motors for driving the HPG to speed, a bearing lubrication system, a generator for energizing the field coil, and a brush actuator air supply system, all of which are driven by a prime mover. The control system comprises a logic controller for executing a prescribed sequence of steps including turning on the prime mover, initiating motoring of the HPG, energizing the field coil, and initiating the discharge of electrical current.
REFERENCES:
patent: 4200831 (1980-04-01), Weldon et al.
patent: 4246507 (1981-01-01), Weldon et al.
patent: 4271369 (1981-06-01), Stillwagen
patent: 4276507 (1981-06-01), Stillwagen
Marshall, "High Current and High Current Density Pulse Tests of Brushes and Collectors for Homopolar Energy Stores," 26th Holm Conf. on Electrical Contacts, Sep. 29-Oct. 1, 1980.
Marshall and Weldon, "Parameter Selection for Homopolar Generators Used as Pulsed Energy Stores," Electrical Machines and Electromechanics, 6:109-127, 1981.
Eleklrotechnische Zeitschrift 73, Annual vol. 3; Feb. 1, 1952, p. 76.
Gully John H.
Weldon William F.
Hickey R. J.
The Board of Regents, The University of Texas
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