Uninterruptible power supply device
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United States of America Patent
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Aug 20, 2019
Grant Date -
Apr 12, 2018
app pub date -
Jun 2, 2015
filing date -
Jun 2, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
An uninterruptible power supply device is basically a device that performs a full-time inverter feeding system using a first semiconductor switch, and when a second semiconductor switch, which is an optional item, is connected in parallel to the first semiconductor switch and a full-time bypass feeding system is selected, serves as a device that performs the full-time bypass feeding system using the second semiconductor switch. This leads to a low device cost compared with the case in which an uninterruptible power supply device employing the full-time inverter feeding system and an uninterruptible power supply device employing the full-time feeding system are designed and manufactured separately.
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