1
James M Simonelli, Damir Klikic, Michael J Ingemi, Donald L Charlantini, David A Colucci: Method and apparatus for providing uninterruptible power using a power controller and a redundant power controller. American Power Conversion, Mintz Levin Cohn Ferris Glovsky and Popeo P C, November 9, 1999: US05982652 (161 worldwide citation)

A power supply system has a power input to receive input power from a power source, a power output to provide output power to a load, at least one battery module having a battery output that provides battery power, at least one power module coupled to the power input to receive the input power, coup ...


2
James M Simonelli, Damir Klikic, Michael J Ingemi, Donald L Charlantini, David A Colucci: Uninterruptible power supply. American Power Conversion, Mintz Levin Cohn Ferris Glovsky and Popeo P C, March 13, 2001: US06201319 (109 worldwide citation)

A power supply system has a power input to receive input power from a power source, a power output to provide output power to a load, at least one battery module having a battery output that provides battery power, at least one power module coupled to the power input to receive the input power, coup ...


3
Rajesh Ghosh, Mahima Agrawal, Pradeep Thalli, Damir Klikic: Digital control method for operating the UPS systems in parallel. Schneider Electric IT Corporation, Lando & Anastasi, October 8, 2013: US08552589 (28 worldwide citation)

Systems and methods of operating uninterruptible power supplies in parallel in a power distribution system to provide power to a load are provided. At least one uninterruptible power supply inverter provides power to the load. A communication interface provides a measured value of at least one of in ...


4
Damir Klikic, Mirza A Beg, Mark R Melanson, Edward Kotlyar, Jeffrey B Samstad: Uninterruptible power supply. American Power Conversion Corporation, Lowrie Lando & Anastasi, August 21, 2007: US07259477 (21 worldwide citation)

An uninterruptible power supply (UPS) system includes an AC power input configured to receive AC power from a single-phase AC power source or a multi-phase AC power source, a DC power source, an output circuit including a power output, a controllable switch configured to selectively couple at least ...


5
Henning Roar Nielsen, Ranganathan Gurunathan, Pothapragada Pavana Kumar, Damir Klikic: Method and apparatus for providing uninterruptible power. American Power Conversion Corporation, Lando & Anastasi, April 27, 2010: US07705489 (16 worldwide citation)

At least one aspect is directed to an uninterruptible power supply that includes a first input having an input line connection and an input neutral connection to receive a first input voltage from a first voltage source, a second input to receive a second input voltage from a second voltage source, ...


6
Damir Klikic, Mirza A Beg, Mark R Melanson, Edward Kotlyar, Jeffrey B Samstad: Uninterruptible power supply. American Power Conversion Corporation, Lowrie Lando & Anastasi, April 21, 2009: US07521823 (15 worldwide citation)

An uninterruptible power supply (UPS) system includes an AC power input configured to receive AC power from a single-phase AC power source or a multi-phase AC power source, a DC power source, an output circuit including a power output, a controllable switch configured to selectively couple at least ...


7
Michael J Ingemi, Damir Klikic: Apparatus and method for operating an uninterruptible power supply. American Power Conversion Corporation, Lando & Anastasi, July 24, 2012: US08228046 (12 worldwide citation)

Systems and methods for operating an uninterruptable power supply are provided. The uninterruptable power supply may include a rectifier that has a transistor and an inductor. The uninterruptable power supply may also include a controller. A current sensor can be configured to detect inductor curren ...


8
Damir Klikic, Pyboyina Msvvsv Prasad, Rajesh Ghosh, Mahima Agrawal: Systems and methods for uninterruptible power supply control. American Power Conversion Corporation, Lando & Anastasi, February 14, 2012: US08116105 (7 worldwide citation)

Systems and methods are provided for distributing power to a load by controlling an uninterruptible power supply that has an inverter and a filter, where the filter has an inductor and a capacitor. The systems and methods apply a pulse width modulation control signal to the inverter, sample inverter ...


9
Pyboyina Prasad, Rajesh Ghosh, Damir Klikic: UPS frequency converter and line conditioner. American Power Conversion Corporation, Lando & Anastasi, February 1, 2011: US07881079 (6 worldwide citation)

Systems and methods disclosed herein monitor and control input to a converter in one or more of a UPS, a frequency converter, or a line conditioner. Distortion due at least in part to ripple voltage can be removed from a control signal that controls input current to the converter. The systems and me ...


10
Henning Roar Nielsen, Ranganathan Gurunathan, Pothapragada Pavana Kumar, Damir Klikic: Method and apparatus for providing uninterruptible power. American Power Conversion Corporation, Lando & Anastasi, March 27, 2012: US08143744 (6 worldwide citation)

At least one aspect is directed to an uninterruptible power supply that includes a first input having an input line connection and an input neutral connection to receive a first input voltage from a first voltage source, a second input to receive a second input voltage from a second voltage source, ...