Electrical device with a transformer whose primary is supplied under the control of a chopper
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United States of America Patent
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Sep 22, 1998
Grant Date -
N/A
app pub date -
Aug 27, 1996
filing date -
Sep 1, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electrical device for use with a transformer whose primary 2 is supplied under the control of a transistor acting as a high frequency chopper, and from which the secondary delivers a low voltage of continuous shape under control of a first diode 5. In parallel with the primary 2, are arranged a diode 9 and a condenser 10. In parallel with the diode 9 are arranged a resistance 11, a transistor 12 and a diode 13. The leakage inductance energy of the primary 2 is stored in the condenser 10 and recovered in the primary 2 for use in the secondary.
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