Uninterruptible power supply with AC sine wave output and energy recycle function
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United States of America Patent
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Jul 25, 2000
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N/A
app pub date -
Dec 21, 1998
filing date -
Dec 21, 1998
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Abstract
An uninterruptible power supply with sine wave AC output and energy recycle function is disclosed. The uninterruptible power supply makes use of a DC/DC converter to boost and convert the DC voltage of a battery set to a full-wave rectified shaped DC voltage. A microcontroller is provided to generate a full-wave rectified shaped DC reference signal to force the DC/DC converter to follow the reference signal for adjusting its output to a full-wave rectified shaped DC voltage. The full-wave rectified shaped DC voltage is converted by an inverter to a sine wave AC voltage for providing uninterruptible power. An energy recycle charger is further provided to recycle redundant energy to the battery set.
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