Uninterruptible power supply systems and methods for communications systems
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United States of America Patent
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May 12, 2015
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N/A
app pub date -
Oct 17, 2011
filing date -
Oct 18, 2010
priority date (Note) -
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Abstract
An uninterruptible power supply for supply electrical power to a load, comprises a connection to a primary source for supplying primary power, a battery system for storing battery power, an inverter, and a controller. The controller controls the inverter to operate in a first mode, a second mode, and in a third mode. In the first mode, power is supplied to the primary load and the battery system based on primary power. In the second mode, power is supplied to the primary load based on battery power. In the third mode, power is supplied to the primary source based on battery power.
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