Patents by Inventor Eyob Demissie

Eyob Demissie has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240113552
    Abstract: Power supplies and methods of use thereof are provided, where a power supply includes an input configured to receive input AC power an output configured to provide output AC power to a load, at least one power converter coupled to the input and configured to convert the input AC power into the output AC power, a controller coupled the at least one power converter. The controller is configured to adjust at least one parameter of the output AC power provided by the at least one power converter, detect, in response to adjusting the at least one parameter of the output AC power, at least one of an adjusted input AC power or an adjusted output AC power, and determine that a fault has occurred based on the at least one of the adjusted input AC power or the adjusted output AC power.
    Type: Application
    Filed: December 13, 2023
    Publication date: April 4, 2024
    Inventors: Kenneth A. Colby, JR., Wei-Hsiang Lin, Venkatraman Chennakesavan, Eyob Demissie, Luka Petrovic, Himamshu V Prasad, Yu Zhang
  • Patent number: 11909258
    Abstract: Power supplies and methods of use thereof are provided, where a power supply includes an input configured to receive input AC power an output configured to provide output AC power to a load, at least one power converter coupled to the input and configured to convert the input AC power into the output AC power, a controller coupled the at least one power converter. The controller is configured to adjust at least one parameter of the output AC power provided by the at least one power converter, detect, in response to adjusting the at least one parameter of the output AC power, at least one of an adjusted input AC power or an adjusted output AC power, and determine that a fault has occurred based on the at least one of the adjusted input AC power or the adjusted output AC power.
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: February 20, 2024
    Assignee: SCHNEIDER ELECTRIC IT CORPORATION
    Inventors: Kenneth A. Colby, Jr., Wei-Hsiang Lin, Venkatraman Chennakesavan, Eyob Demissie, Luka Petrovic, Himamshu V Prasad, Yu Zhang
  • Patent number: 11799318
    Abstract: Aspects of the disclosure include a power device having a first input configured to be coupled to a main power source, a second input configured to be coupled to a back-up power source, an output configured to be coupled to a load, the load being configured to perform a procedure, and at least one controller configured to determine a required energy for the load to perform the procedure, estimate an amount of available energy predicted to be available to the power device during the procedure, the available energy being derived from at least the back-up power source, determine whether the amount of available energy predicted to be available is equal to or greater than the required energy, and prevent power from being provided at the output responsive to determining that the amount of available energy predicted to be available is less than the required energy.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: October 24, 2023
    Assignee: SCHNEIDER ELECTRIC IT CORPORATION
    Inventors: Jeffrey M. August, Eyob Demissie, Steven Allen Diggins, Anurag Arjundas Jivanani
  • Patent number: 11749993
    Abstract: A power converter system including an input configured to receive input AC power from an input power source, the input power source having a peak voltage limit, at least one output configured to provide output power to at least one load, a charger coupled to the input and configured to convert the input AC power into first DC power, a DC bus configured to receive the first DC power, at least one power converter configured to convert DC power from the DC bus into the output power, and an auxiliary power source coupled to the DC bus and configured to provide second DC power to the DC bus to supplement the first DC power provided by the charger in response to a voltage demand of the at least one load exceeding the peak voltage limit of the input power source.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: September 5, 2023
    Assignee: SCHNEIDER ELECTRIC IT CORPORATION
    Inventors: Eyob Demissie, Kaushal J. Patel, Kenneth A. Colby, Jr., Steven Allen Diggins
  • Publication number: 20230032164
    Abstract: A power converter system including an input configured to receive input AC power from an input power source, the input power source having a peak voltage limit, at least one output configured to provide output power to at least one load, a charger coupled to the input and configured to convert the input AC power into first DC power, a DC bus configured to receive the first DC power, at least one power converter configured to convert DC power from the DC bus into the output power, and an auxiliary power source coupled to the DC bus and configured to provide second DC power to the DC bus to supplement the first DC power provided by the charger in response to a voltage demand of the at least one load exceeding the peak voltage limit of the input power source.
    Type: Application
    Filed: July 12, 2022
    Publication date: February 2, 2023
    Inventors: Eyob Demissie, Kaushal J. Patel, Kenneth A. Colby, JR., Steven Allen Diggins
  • Publication number: 20220302747
    Abstract: Power supplies and methods of use thereof are provided, where a power supply includes an input configured to receive input AC power an output configured to provide output AC power to a load, at least one power converter coupled to the input and configured to convert the input AC power into the output AC power, a controller coupled the at least one power converter. The controller is configured to adjust at least one parameter of the output AC power provided by the at least one power converter, detect, in response to adjusting the at least one parameter of the output AC power, at least one of an adjusted input AC power or an adjusted output AC power, and determine that a fault has occurred based on the at least one of the adjusted input AC power or the adjusted output AC power.
    Type: Application
    Filed: March 18, 2022
    Publication date: September 22, 2022
    Inventors: Kenneth A. Colby, JR., Wei-Hsiang Lin, Venkatraman Chennakesavan, Eyob Demissie, Luka Petrovic, Himamshu V Prasad, Yu Zhang
  • Patent number: 11418033
    Abstract: A power converter system including an input configured to receive input AC power from an input power source, the input power source having a peak voltage limit, at least one output configured to provide output power to at least one load, a charger coupled to the input and configured to convert the input AC power into first DC power, a DC bus configured to receive the first DC power, at least one power converter configured to convert DC power from the DC bus into the output power, and an auxiliary power source coupled to the DC bus and configured to provide second DC power to the DC bus to supplement the first DC power provided by the charger in response to a voltage demand of the at least one load exceeding the peak voltage limit of the input power source.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: August 16, 2022
    Assignee: SCHNEIDER ELECTRIC IT CORPORATION
    Inventors: Eyob Demissie, Kaushal J. Patel, Kenneth A. Colby, Jr., Steven Allen Diggins
  • Publication number: 20220224150
    Abstract: Aspects of the disclosure include a power device having a first input configured to be coupled to a main power source, a second input configured to be coupled to a back-up power source, an output configured to be coupled to a load, the load being configured to perform a procedure, and at least one controller configured to determine a required energy for the load to perform the procedure, estimate an amount of available energy predicted to be available to the power device during the procedure, the available energy being derived from at least the back-up power source, determine whether the amount of available energy predicted to be available is equal to or greater than the required energy, and prevent power from being provided at the output responsive to determining that the amount of available energy predicted to be available is less than the required energy.
    Type: Application
    Filed: January 5, 2022
    Publication date: July 14, 2022
    Inventors: Jeffrey M. August, Eyob Demissie, Steven Allen Diggins, Anurag Arjundas Jivanani
  • Publication number: 20220123556
    Abstract: A power converter system including an input configured to receive input AC power from an input power source, the input power source having a peak voltage limit, at least one output configured to provide output power to at least one load, a charger coupled to the input and configured to convert the input AC power into first DC power, a DC bus configured to receive the first DC power, at least one power converter configured to convert DC power from the DC bus into the output power, and an auxiliary power source coupled to the DC bus and configured to provide second DC power to the DC bus to supplement the first DC power provided by the charger in response to a voltage demand of the at least one load exceeding the peak voltage limit of the input power source.
    Type: Application
    Filed: October 21, 2020
    Publication date: April 21, 2022
    Inventors: Eyob Demissie, Kaushal J. Patel, Kenneth A. Colby, JR., Steven Allen Diggins
  • Patent number: 10964979
    Abstract: A cell agnostic battery pack that is capable of receiving sub-modules including lithium-ion cells regardless of form factor type, technology or supplier is described. The battery pack includes a chassis comprising compartments for receiving lithium-ion cells in the form of sub-modules that are connectable in series, parallel or series and parallel, and a battery pack controller. The battery pack further comprises internal interconnects adapted for coupling the sub-modules received in the compartments to the battery pack controller to create a target pack voltage and energy density.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: March 30, 2021
    Assignee: SCHNEIDER ELECTRIC IT CORPORATION
    Inventors: Vishwas Mohaniraj Deokar, Lynn Ernest Schultz, Eyob Demissie, Andrew Chase
  • Patent number: 10700513
    Abstract: Systems and methods for commissioning an energy storage system are disclosed. An example method for commissioning an ESS may include connecting a first energy storage system to an battery module, energizing, by the first energy storage system, the battery module, articulating one or more battery contactors within the first energy storage system to selectively couple the battery module to a power source, processing a battery contactor status of the one or more battery contactors to detect battery contactor errors, disengaging, responsive to not detecting any battery contactor errors, the battery module at the first energy storage system, and determining a status of the energy storage system.
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: June 30, 2020
    Assignee: SCHNEIDER ELECTRIC IT CORPORATION
    Inventors: Vishwas Mohaniraj Deokar, Eyob Demissie
  • Publication number: 20180198178
    Abstract: A cell agnostic battery pack that is capable of receiving sub-modules including lithium-ion cells regardless of form factor type, technology or supplier is described. The battery pack includes a chassis comprising compartments for receiving lithium-ion cells in the form of sub-modules that are connectable in series, parallel or series and parallel, and a battery pack controller. The battery pack further comprises internal interconnects adapted for coupling the sub-modules received in the compartments to the battery pack controller to create a target pack voltage and energy density.
    Type: Application
    Filed: January 9, 2018
    Publication date: July 12, 2018
    Inventors: Vishwas Mohaniraj Deokar, Lynn Ernest Schultz, Eyob Demissie, Andrew Chase
  • Patent number: 9172271
    Abstract: According to one aspect, embodiments of the invention provide a method of operating a UPS system having a first UPS and a second UPS coupled in parallel to provide output power to a load from a power source, each of the first UPS and the second UPS having an inverter and having a bypass switch, with each UPS configured to operate in one of an inverter mode in which output power is derived from the power source through the inverter, and a bypass mode in which output power is derived from the power source bypassing the inverter, the method comprising powering on the first UPS and the second UPS in the inverter mode of operation, designating one of the first UPS and the second UPS as a master UPS, and controlling the bypass switch of the first UPS and the bypass switch of the second UPS using the master UPS.
    Type: Grant
    Filed: September 19, 2011
    Date of Patent: October 27, 2015
    Assignee: SCHNEIDER ELECTRIC IT CORPORATION
    Inventors: Mirza Akmal Beg, Eyob Demissie, Venkatraman Chennakesavan, Michael J. Ingemi
  • Patent number: 8772964
    Abstract: According to one aspect, embodiments of the invention provide a method of operating a UPS system having a first UPS, the method comprising powering on the first UPS, detecting a first signal at a first I/O of the first UPS using a first detection circuit of the first UPS, detecting a second signal at a second I/O of the first UPS using a second detection circuit of the first UPS, based on a status of the first signal and a status of the second signal, configuring the first UPS to operate in one of a master mode of operation and a controlled mode of operation.
    Type: Grant
    Filed: September 19, 2011
    Date of Patent: July 8, 2014
    Assignee: Schneider Electric IT Corporation
    Inventors: Mirza Akmal Beg, Eyob Demissie, Venkatraman Chennakesavan, Michael J. Ingemi
  • Patent number: 8604640
    Abstract: Power supply systems and methods are provided. In one aspect, a power supply system includes a frame, 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 mounted in the frame and having a battery output that provides battery power, at least one power module mounted in the frame and coupled to the power input to receive the input power, coupled to the battery output to receive the battery power, and coupled to the power output to provide the output power from at least one of the battery power and the input power, a first controller coupled to the at least one power module, and a second controller.
    Type: Grant
    Filed: April 2, 2012
    Date of Patent: December 10, 2013
    Assignee: Schneider Electric IT Corporation
    Inventors: Francis J. Masciarelli, Srdan Mutabdzija, Eyob Demissie, Michael J. Ingemi, Donald Lee Charlantini
  • Publication number: 20130069432
    Abstract: According to one aspect, embodiments of the invention provide a method of operating a UPS system having a first UPS and a second UPS coupled in parallel to provide output power to a load from a power source, each of the first UPS and the second UPS having an inverter and having a bypass switch, with each UPS configured to operate in one of an inverter mode in which output power is derived from the power source through the inverter, and a bypass mode in which output power is derived from the power source bypassing the inverter, the method comprising powering on the first UPS and the second UPS in the inverter mode of operation, designating one of the first UPS and the second UPS as a master UPS, and controlling the bypass switch of the first UPS and the bypass switch of the second UPS using the master UPS.
    Type: Application
    Filed: September 19, 2011
    Publication date: March 21, 2013
    Applicant: AMERICAN POWER CONVERSION CORPORATION
    Inventors: Mirza Akmal Beg, Eyob Demissie, Venkatraman Chennakesavan, Michael J. Ingemi
  • Publication number: 20130069434
    Abstract: According to one aspect, embodiments of the invention provide a method of operating a UPS system having a first UPS, the method comprising powering on the first UPS, detecting a first signal at a first I/O of the first UPS using a first detection circuit of the first UPS, detecting a second signal at a second I/O of the first UPS using a second detection circuit of the first UPS, based on a status of the first signal and a status of the second signal, configuring the first UPS to operate in one of a master mode of operation and a controlled mode of operation.
    Type: Application
    Filed: September 19, 2011
    Publication date: March 21, 2013
    Applicant: American Power Conversion Corporation
    Inventors: Mirza Akmal Beg, Eyob Demissie, Venkatraman Chennakesavan, Michael J. Ingemi
  • Publication number: 20130057073
    Abstract: Power supply systems and methods are provided. In one aspect, a power supply system includes a frame, 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 mounted in the frame and having a battery output that provides battery power, at least one power module mounted in the frame and coupled to the power input to receive the input power, coupled to the battery output to receive the battery power, and coupled to the power output to provide the output power from at least one of the battery power and the input power, a first controller coupled to the at least one power module, and a second controller.
    Type: Application
    Filed: April 2, 2012
    Publication date: March 7, 2013
    Applicant: AMERICAN POWER CONVERSION CORPORATION
    Inventors: Francis J. Masciarelli, Srdan Mutabdzija, Eyob Demissie, Michael J. Ingemi, Donald Lee Charlantini
  • Patent number: 8148846
    Abstract: Power supply systems and methods are provided.
    Type: Grant
    Filed: November 6, 2009
    Date of Patent: April 3, 2012
    Assignee: American Power Conversion Corporation
    Inventors: Francis J. Masciarelli, Srdan Mutabdzija, Eyob Demissie, Michael J. Ingemi, Donald Lee Charlantini
  • Patent number: 7911088
    Abstract: An improved battery, monitoring circuit and method for communicating with the battery is provided. Such batteries and communication methods are particularly useful in UPS systems that use such batteries to provide back-up power to electrical loads. In one aspect, performance, manufacturing, trend and/or other data are stored in non-volatile memory of the battery and are communicated to an external system such as a UPS. In another aspect, a method for communicating via single-wire interface is provided. In one aspect, a same interface is used to communicate with both conventional batteries and improved batteries having increased monitoring capabilities.
    Type: Grant
    Filed: November 2, 2009
    Date of Patent: March 22, 2011
    Assignee: American Power Conversion Corporation
    Inventors: Srdan Mutabdzija, Eyob Demissie, Francis J. Masciarelli, Michael Falcinelli