Low noise DC power supply system for electronics on a rotating a

Details Low noise DC power supply system for electronics on a rotating a Low noise DC power supply system for electronics on a rotating a

1974-07-05

1976-02-10

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

307154, H02J 100

Patent

active

039380297

ABSTRACT:
A low noise D. C. power supply system that is particularly suited for suping D. C. power from a stationary source to electronics equipment mounted on a rotating assembly. Brush and slip ring assemblies are used to transfer the D. C. power to the rotating assembly and brush noise is minimized by having non-inductive impedences on both sides of the brush and slip ring assemblies. Floating circuits are employed to transfer the D. C. power from the stationary assembly to the rotating assembly with the return reference ground being through the brush and slip ring assemblies to the stationary assembly. Higher than usual voltages are supplied to a capacitor mounted on the rotating assembly to charge the capacitor providing reserve energy storage, providing a voltage margin for further regulation and thus minimizing the effect of brush noise.

REFERENCES:
patent: 2008377 (1935-07-01), Whitaker
patent: 2015667 (1935-10-01), Fleming et al.
patent: 3665291 (1972-05-01), Weischedel et al.
patent: 3736491 (1973-05-01), Kuster

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