Phase control of DC bus in appliances
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United States of America Patent
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Jun 29, 2021
Grant Date -
Jun 20, 2019
app pub date -
Dec 14, 2017
filing date -
Dec 14, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A control system of an appliance having a motor is provided. The control system includes an inverter circuit configured to provide power to the motor. The inverter circuit has a direct-current (DC) bus. The control system further includes a controller device powered by the DC bus, and a phase fired control device operatively coupled to an input of the inverter circuit. Also, the phase fired control device is configured to control a magnitude of voltage applied to the DC bus based on a phase on angle of the phase fired control device.
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