General Electric Company

Abb Schweiz Ag

Robert Joseph Caggiano

Dean A Robarge

Brent Charles Kumfer

George William Roscoe

William James Premerlani

Kanakasabapathi Subramanian

Charles Stephan Pitzen

Thangavelu Asokan

David J Lesslie

Cecil Rivers, Jr

Roossely Delica

Ertugrul Berkcan

John Norton Park

Adnan Kutubuddin Bohori

Parag Thakre

Joshua Isaac Wright

Suresh Redditha

Edward G Barber

Edward K Howell

Craig Benjamin Williams

Christopher Fred Keimel

Thomas Frederick Papallo, Jr

Marcelo Esteban Valdes

Kathleen Ann O'Brien

Fengfeng Tao

Justin Billard

Henry Hall Mason, Jr

David A Reid

Michael Richard Wood

Hamon L Craft

Seth Adam Cutler

Thomas Francis Vrnak

Thomas M Palmer

Daniel Edward Delfino

Richard E Saunders

Michael R Ronzello

George T Parker

Julia Fonseca

Robert Lee Hilgendorf

Mark Matthew Lech

Michael Baird Davenport

Jeffrey Eric Werner

David D MacDonald

Raghunath T Prabhu

Derek William Fritz

Tamara Samuels

Gopa Kumar

Michael Anthony Leporace

Mike P Lafond

Timothy Wayne Webber

Thomas McDonald

Raghunath Parbhu

Satyanarayana Murphy Ungarala

Radhika Dixit

Dean Arthur Robarge

Jr Thomas Frederick Papallo

Henry Hall Mason Jr

Edward Keith Howell

David James Lesslie

A circuit protection device includes a plasma gun configured to emit an ablative plasma along an axis, and a plurality of electrodes, wherein each electrode is electrically coupled to a respective conductor of a circuit and is arranged substantially along a plane that is substantially perpendicular to the axis such that each electrode is positioned substantially equidistant from the axis.

Electrode and plasma gun configuration for use with a circuit protection device

Methods, devices, and systems for activation of a protection system and dynamic labeling are described. An example system for use with a plurality of circuit protection devices coupled to a switchgear unit includes a first sensor for detecting a body located within a first zone associated with a threshold distance from the switchgear unit, and a controller coupled to the first sensor. The controller is configured to selectively enable the plurality of circuit protection devices. The controller is configured to enable a first circuit protection device of the plurality of circuit protection devices in response to detecting, via the first sensor, a body within the first zone.

Methods, systems, and apparatus for protection system activation and dynamic labeling

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 current sensor and to the voltage sensor. The controller is configured to receive a first signal from the current sensor, wherein the first signal is representative of the first current level, and receive a second signal from the voltage sensor, wherein the second signal is representative of the first voltage level. Based on the first signal and the second signal, the controller is configured to determine whether to activate a first circuit protection device or a second circuit protection device.

Methods, systems, and apparatus for detecting arc flash events using current and voltage

An arc containment device is presented. The arc containment device includes a shock shield further having a multiple apertures for escape of gas, the shock shield configured to surround an arc source. The device further comprises an inner enclosure having a multiple openings generally aligned with the multiple apertures, the inner enclosure configured to provide an electrical insulation base for the arc source. An outer enclosure disposed is provided around the inner enclosure, the outer enclosure configured to direct the gas to the environment outside the device.

Arc containment device and method

A power equipment protection system includes a circuit breaker, a current sensor configured to measure a current through a circuit, a light sensor configured to detect a light event, and a controller communicatively coupled to the current sensor and to the light sensor, wherein the controller is configured to determine whether the light event originated from operation of the circuit breaker.

Methods, systems, and apparatus for detecting arc flash events using light and time discrimination

A circuit protection device for use with a circuit that includes at least one conductor includes at least one phase electrode assembly that is electrically coupled to the at least one conductor, wherein the at least one phase electrode assembly comprising an adjustable electrode assembly. The circuit protection device also includes a conductor base comprising at least one isolation area sized to secure the adjustable electrode assembly therein, and a conductor cover coupled to the conductor base and including at least one isolation channel, wherein the adjustable electrode assembly extends at least partially through the at least one isolation channel.

Adjustable arc electrode assembly and method of assembling

An arc transfer device for use in a switchgear includes at least one first electrical connector configured to connect the arc transfer device to a voltage supply within the switchgear, and a racking cassette. The racking cassette includes at least one second electrical connector that is configured to be electrically coupled to the at least one first electrical connector based on the racking position of the arc transfer device.

System and apparatus for circuit protection within an equipment enclosure

A current control device is disclosed. The current control device includes control circuitry and a current path integrally arranged with the control circuitry. The current path includes a set of conduction interfaces and a micro electromechanical system (MEMS) switch disposed between the set of conduction interfaces. The set of conduction interfaces have geometry of a defined fuse terminal geometry and include a first interface disposed at one end of the current path and a second interface disposed at an opposite end of the current path. The MEMS switch is responsive to the control circuitry to facilitate the interruption of an electrical current passing through the current path.

Micro-electromechanical system based switching

Disclosed herein is an interlock system in combination with an enclosure, including: the enclosure having a base and a door that define an interior; a rotary handle attached to the door; a disconnect switch disposed in the interior of the enclosure and including a shaft extending toward an exterior of the enclosure in a direction toward the door; a first interlocking member attached to the door and extending toward an interior of the enclosure; and a second interlocking member attached to the shaft. The handle is configured to engage the shaft when the door is closed and rotate the shaft to move the disconnect switch between an on position and an off position. The second interlocking member is configured to engage and interlock with the first interlocking member when the door is closed and the disconnect switch is in the on position.

Interlock system and method for rotary disconnect switches

The present invention comprises a method for over-current protection. The method comprising monitoring a load current value of a load current passing through a plurality of micro-electromechanical switching system devices, determining if the monitored load current value varies from a predetermined load current value, and generating a fault signal in the event that the monitored load current value varies from the predetermined load current value. The method also comprises diverting the load current from the plurality of micro-electromechanical switching system devices in response to the fault signal and determining if the variance in the load current value was due to a true fault trip or a false nuisance trip.

Resettable MEMS micro-switch array based on current limiting apparatus

Electrical distribution systems implementing micro-electromechanical system based switching devices. Exemplary embodiments include a method in an electrical distribution system, the method including determining if there is a fault condition in a branch of the electrical distribution system, the branch having a plurality of micro electromechanical system (MEMS) switches, re-closing a MEMS switch of the plurality of MEMS switches, which is furthest upstream in the branch and determining if the fault condition is still present. Exemplary embodiments include an electrical distribution system, including an input port for receiving a source of power, a main distribution bus electrically coupled to the input port, a service disconnect MEMS switch disposed between and coupled to the input port and the main distribution bus and a plurality of electrical distribution branches electrically coupled to the main distribution bus.

Micro-electromechanical system based selectively coordinated protection systems and methods for electrical distribution

The present invention provides a remote operable over-current protection apparatus. The apparatus includes control circuitry integrally arranged on a current path and a micro electromechanical system (MEMS) switch disposed on the current path, the MEMS switch responsive to the control circuitry to facilitate the interruption of an electrical current passing through the current path. The apparatus further includes a communication connection in signal connection with the control circuitry such that the control circuitry is responsive to a control signal on the communication connection to control a state of the MEMS switch.

Remote-operable micro-electromechanical system based over-current protection apparatus

A portable energy device having a housing and an energy storage device is disclosed. The housing includes electrical input terminals and electrical output terminals, the input terminals being configured to receive electrical power from a vehicle having an electrical chassis operating at DC voltage, the output terminals being configured to provide electrical power to an electrical distribution system connected to a utility power grid operating at AC voltage. The energy storage device is in electrical communication with the input and output terminals, and is configured to store electrical power received from the vehicle via the input terminals and to provide the stored electrical power to the electrical distribution system via the output terminals. The housing is so dimensioned as to be insertable through a space defined by a trunk opening of the vehicle with the trunk open, or so dimensioned as to be insertable between a doorframe of the vehicle and a seat of the vehicle.

Portable energy device

A current sensing module for disposal proximate a conductor is disclosed. The current sensing module includes a housing having a first section and a second section that together define an opening for receiving the conductor therethrough. The second section is in operable connection with the first section. The current sensing module further includes a micro-electromechanical system (MEMS) based current sensor disposed within the first section proximate the opening for receiving the conductor.

Current sensing module and assembly method thereof

An electrical distribution panel includes a backplane, a circuit breaker comprising a load conductor for transmitting electrical power to a load, and a load sensing assembly comprising a load sensor operatively coupled to the load conductor for detecting an electrical load of the load conductor and generating a load signal proportional to the electrical load. The load sensing assembly is selectively positionable with respect to the load conductor at a plurality of fixedly secured positions on the backplane to facilitate positioning the load sensor with respect to the load conductor.

Methods and systems for electrical power sub-metering

Growing community of inventors

Wolcott, CT, United States of America

Robert Joseph Caggiano