Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1997-04-21
1998-10-13
Hecker, Stuart N.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
323906, H02M 3335
Patent
active
058222006
ABSTRACT:
A DC-to-DC converter suitable for use in light-powered electronic systems. The DC electrical output from a solar cell is stepped-up in a chopper-type inverter that is driven by a gated oscillator. The output from the inverter is then rectified and is adapted to be applied to a load through a series connected switch whose on/off state is determined by the output from a voltage regulator. Connected between the rectifier and the series switch are energy storage capacitors which become charged when the series switch is open and which provide energy to the load when the series switch is closed. Feedback from the regulator circuitry controls the on/off state of the gated oscillator and, therefore, the energy delivered by the inverter. Further circuitry is provided for signaling a light transmitting device that the fiber-optic link delivering energy to the photo cell is intact.
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Hecker Stuart N.
NT International Inc.
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