Power systems and methods using an uniterruptible power supply to transition to generator-powered operation
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United States of America Patent
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May 25, 2010
Grant Date -
Jan 22, 2009
app pub date -
Jul 20, 2007
filing date -
Jul 20, 2007
priority date (Note) -
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Abstract
A loss of a power source for a bus is detected. Responsive to detecting the loss of the power source, a voltage is generated on the bus using an uninterruptible power supply (UPS). A generator is transitioned to a desired output state concurrent with generating the voltage on the bus using the UPS. The generator is coupled to the bus responsive to the generator attaining the desired output state. The UPS may be used to provide power to a load connected to the bus while the generator is in transition. For example, detecting the loss of the power source may be preceded by operating a converter of the UPS coupled to the bus as a rectifier and generating the voltage on the bus using the UPS may include operating the converter of the UPS as an inverter.
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