1
Henry Hall Mason Jr, Craig Benjamin Williams: Method and system for providing power to circuit breakers. General Electric Company, Allan O Maki, Foster Swift Collins & Smith P C, November 1, 2005: US06961226 (8 worldwide citation)

A method and system to improve efficiency and performance of a power supply by providing a consistent voltage level into a multiple-pole circuit breaker (10) to improve efficiency, reduce heat generation and increase the speed and consistency of “turn-on” times. A power supply (14) for changing wave ...


2
Roger Castonguay, Joseph G Nagy, Narayansamy Soundararajan, Dennis Zuffelato, Craig Benjamin Williams, Heather Pugliese: Circuit breaker configured to be remotely operated. General Electric Company, Cantor Colburn, March 11, 2008: US07342474 (6 worldwide citation)

A circuit breaker configured to be remotely operated is disclosed. The circuit breaker includes a set of main contacts configured to connect between an electrical source and an electrical load, an operating mechanism in operable communication to open and close the main contacts, and a remotely opera ...


3
Geoff Butland, Michael S Tignor, John J Dougherty, Craig Benjamin Williams, Mark Culler: Waveform recorder apparatus and method. General Electric Company, Cantor Colburn, December 9, 2008: US07463989 (1 worldwide citation)

A method for recording and having analyzed waveform data associated with an electronic circuit breaker having an electronic trip unit is disclosed. The electronic trip unit has a communication port and is capable of providing to the communication port a first signal representative of a phase current ...


4
Geoff Butland, Michael S Tignor, John J Dougherty, Craig Benjamin Williams, Mark Culler: Waveform recorder apparatus and method. General Electric Company, Cantor Colburn, September 30, 2008: US07430482 (1 worldwide citation)

A waveform recorder device for mounting to an electronic circuit breaker having an electronic trip unit and a communication port is disclosed. The device includes a connector configured to connect with the communication port, and a processing circuit in signal communication with the connector. The p ...


5
Lathom Alexander Louco, John James Dougherty, Craig Benjamin Williams: Power distribution systems and methods of monitoring zone selective interlocking in a power distribution system. General Electric Company, General Electric Company, June 27, 2017: US09692224 (1 worldwide citation)

Power distribution systems and methods are described. In one example, a method of testing a power distribution system including a first circuit protection device and a second circuit protection device coupled to the first circuit protection device downstream of the first circuit protection device is ...


6
George William Roscoe, Robert Caggiano, Henry Hall Mason Jr, Craig Benjamin Williams: Methods, systems, and apparatus for detecting arc flash events using current and voltage. General Electric Company, General Electric Company, February 11, 2014: US08649139 (1 worldwide citation)

A power circuit protection system includes a current sensor configured to measure a first current level through a conductor of the circuit, a voltage sensor configured to measure a first voltage level across a plurality of conductors of the circuit, and a controller communicatively coupled to the cu ...


7
Srinath Rao Topucharla, Craig Benjamin Williams, Seshagiri Rao Komaravolu: Electronic trip unit of a circuit breaker. General Electric Company, Cantor Colburn, June 21, 2011: US07965483 (1 worldwide citation)

An electronic trip unit which includes a processing unit and a comparator circuit. The processing unit receives an input voltage, and a reset signal to reset the electronic trip unit, and generates a trip signal when sensed current of the electronic trip unit exceeds a predetermined threshold. The c ...


8
Craig Benjamin Williams: Systems and methods for use in measuring current through a conductor. General Electric Company, General Electric Company, May 31, 2016: US09354257

Systems, methods and devices for use in measuring current through a conductor are provided. One example current device includes a first sensor configured to measure a first magnetic flux provided from a conductor and to generate a first signal proportional to the first magnetic flux, and a second se ...


9
Craig Benjamin Williams, Timothy Ray Jackson, Gregory Lynn Jones, Ramon Portillo, Zachary Herman Cull: System and method to derive power and trip a circuit breaker from an external device. General Electric Company, General Electric Company, June 14, 2016: US09368955

An electronic trip unit (ETU) configured to trip a circuit breaker using power from an external device is provided. Additionally, a system for enabling an electronic control unit (ETU) to trip a circuit breaker using power from an external device is provided. Further, a method for enabling an electr ...


10
Srinath Rao Topucharla, Chandrashekar Nagawaram, Alok Kumar Bharati, Craig Benjamin Williams, Rajani Karra: Methods and apparatus for testing an electronic trip device. General Electric Company, General Electric Company, April 5, 2016: US09304168

An electronic trip device is described that includes a test current generator and a leakage current detection circuit. The test current generator is coupled to a conductor and configured to provide a test current having a magnitude to the conductor in response to a selection to test the electronic t ...