System and method for precision current source

Details System and method for precision current source System and method for precision current source

2008-01-04

2008-11-18

Tang, Minh N (Department: 2829)

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Magnetic saturation

C324S126000

Reexamination Certificate

active

07453257

ABSTRACT:
Systems and methods of the present disclosure, in accordance with one or more embodiments, include a current source adapted to provides volts*sec at a fixed frequency, a magnetic core adapted to be saturated with energy, and a control winding around the magnetic core. The control winding is adapted to receive current from the current source to saturate the magnetic core. A control circuit is adapted to selectively provide additional volt*sec for at least one half of a cycle of the fixed frequency to the control winding. A second winding around the magnetic core provides a load current to a load through desaturation of energy stored in the magnetic core.

REFERENCES:
patent: 4021729 (1977-05-01), Hudson, Jr.

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