Brush mechanism for a homopolar generator

Details Brush mechanism for a homopolar generator Brush mechanism for a homopolar generator

H - Electricity

01

R

310/121, 310/69

H01R 39/42 (2006.01) H01R 39/36 (2006.01) H02K 31/02 (2006.01)

Patent

CA 1215097

BRUSH MECHANISM FOR A HOMOPOLAR GENERATOR ABSTRACT OF THE DISCLOSURE A high-energy, high-current homopolar generator pulsed power supply system that is compact and field portable. The power supply system includes a homopolar 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 ini- tiating the discharge of electrical current.

428867

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