Patent ID: 9047075
Filing Date: 2015-06-02
Classification: G06F,H02J,Y02B

Abstract:
1. An uninterruptable power supply system comprising: (a) power controller; (b) battery transfer switch; (c) battery charger; (d) battery string; and (e) AC+DC power supply; wherein said power controller further comprises a sense input and control output; said battery transfer switch further comprises a control input, common output, first switch input, and second switch input; said AC+DC power supply further comprises a power input and load output connections; said AC+DC power supply power input is electrically connected to said battery transfer switch common output; said battery transfer switch first switch input is electrically connected to said battery string; said battery transfer switch second switch input is electrically connected to a utility power source; said power controller sense input is electrically connected to said utility power source; said power controller control output is electrically connected to said battery transfer switch control input; said power controller control output is configured to activate said battery transfer switch to electrically connect said utility power source to said AC+DC power supply power input when power from said utility power source is available and electrically connects said battery string to said AC+DC power supply power input when power from said utility power source is not available; said battery charger further comprises a utility power input, generator input, and load output that are electrically isolated; said battery charger power input is electrically connected to said utility power source; said battery charger generator input is electrically connected to an alternate power source; said battery charger load output is electrically connected to said battery string; and said battery charger charges said battery string in response to electrical power received from said utility power source or said alternate power source.