摘要:
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.
摘要:
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.
摘要:
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.
摘要:
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.
摘要:
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.
摘要:
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.
摘要:
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.
摘要:
An electrical sub-metering system for making available information associated with power consumption is disclosed. The system includes an electrical panel board configured to distribute power to a plurality of circuits, means for measuring voltage of each circuit, a module including means for measuring current flow, a hub in signal communication with the module and the means for measuring voltage, and a data collector in signal communication with the hub. The hub is configured to collect the information associated with power consumption from the means for measuring voltage and the module, and the data collector is configured to collect and make available to a user the information associated with power consumption for each circuit. The module is in signal communication with the hub via a single communication link, the single communication link having a plurality of communication paths.
摘要:
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.
摘要:
An electrical sub-metering system for making available information associated with power consumption of at least one circuit of a plurality of circuits is disclosed. The system includes an electrical panel board configured to distribute power to the plurality of circuits, a circuit breaker in power connection with a conductor of the at least one circuit, a voltage sensor, a hub to collect the information associated with power consumption from the voltage sensor and the circuit breaker, and a data collector to collect and make available to a user the information associated with power consumption. The circuit breaker includes a current measuring device to measure current through the at least one circuit and is in signal communication with the hub via a single communication interface that has a plurality of communication paths.