Abstract: Techniques for configuring a device with a security context using a security context distribution service are provided. One embodiment receives, from a first device operating on a first network, a request for a security context for the first device, where the request includes a public certificate for the first device. The request is decrypted, and the public certificate is validated. A set of device requirements are determined based on a unique identifier for the first device and device claim information associated with the first device. Embodiments generate a response message that contains at least one Transport Layer Security (TLS) certificate associated with the first network, based on the set of device requirements, where the response message is encrypted using a public key associated with the first device. The response is message is transmitted to the first device.

Abstract: According to aspects of the disclosure, a sensing system includes at least one sensor configured to provide an output signal indicative of a sensed property, an interface configured to be coupled to a computing device, and a processor coupled to the interface, the processor being configured to provide, to the computing device via the interface, a first Transducer Electronic Data Sheet (TEDS) template indicative of a first variable of the sensed property, and provide, to the computing device via the interface, a second TEDS template indicative of a second variable of the sensed property.

Abstract: A wire comb can include a comb assembly defining a plurality of openings configured to organize and retain a plurality of wires associated with a first device. The comb assembly can be configured to allow insertion and organization of the plurality of wires in an open state, and to retain the plurality of wires in a relative position in a closed state. The wire comb can include first indicia disposed within the comb assembly on an interior surface of at least a portion of the comb assembly. The first indicia can be positioned to underlay the plurality of wires to allow the wires to be organized over the first indicia in accordance with the first indicia in the open state. The wire comb can include second indicia disposed on an outer surface of the comb assembly. The second indicia can be positioned to correspond to the plurality of wires retained within the comb assembly to allow the wires to be installed into terminals of a second device in accordance with the second indicia.

Abstract: A method for characterizing power quality events in an electrical system includes deriving electrical measurement data for at least one first virtual meter in an electrical system from (a) electrical measurement data from or derived from energy-related signals captured by at least one first IED in the electrical system, and (b) electrical measurement data from or derived from energy-related signals captured by at least one second IED in the electrical system. In embodiments, the at least one first IED is installed at a first metering point in the electrical system, the at least one second IED is installed at a second metering point in the electrical system, and the at least one first virtual meter is derived or located at a third metering point in the electrical system. The derived electrical measurement data may be used to generate or update a dynamic tolerance curve associated with the third metering point.

Abstract: A method for analyzing effects of electrical perturbations on equipment in an electrical system includes processing energy-related signals from at least one intelligent electronic device in the electrical system to identify an electrical perturbation in the electrical system. An end time of the electrical perturbation may be determined, and electrical measurement data from prior to, during and/or after the end time of the electrical perturbation may be analyzed to identify and quantify the effects of the electrical perturbation on equipment in the electrical system. The effects may include, for example, equipment restarts/re-energizations due to the electrical perturbation. One or more actions may be taken or performed to reduce the effects of the electrical perturbation and extend the life of the equipment. The actions may include, for example, at least one of communicating the equipment restarts/re-energizations and controlling at least one component in the electrical system.

Abstract: A method for reducing and/or managing energy-related stress in an electrical system includes processing electrical measurement data from or derived from energy-related signals captured by at least one intelligent electronic device (IED) in the electrical system to identify and track at least one energy-related transient in the electrical system. An impact of the at least one energy-related transient on equipment in the electrical system is quantified, and one or more transient-related alarms are generated in response to the impact of the at least one energy-related transient being near, within or above a predetermined range of the stress tolerance of the equipment. The transient-related alarms are prioritized based in part on at least one of the stress tolerance of the equipment, the stress associated with one or more transient events, and accumulated energy-related stress on the equipment.

Abstract: The present invention provides a method for installing circuit breakers of different frame sizes into an electrical distribution device at the at the factory or on the jobsite without having to remove the original factory installed line and load busing and installing new line and load busing for the particular frame size of the circuit breaker to be installed. The invention also provides a means for reducing the number of line and load busing assemblies that the electrical distribution device manufacturer must keep in inventory.

Abstract: A modified trip lever for a remote controlled miniature circuit breaker comprises a trip lever and a separate kicker lever, which perform alternate functions to either automatically open the main contacts in response to a trip event or alternately open or close the contacts under remote control. The kicker lever rotates clockwise on a pivot in response to an actuator receiving a remote control open signal, to open the contacts by forcing a transverse tab on the kicker lever against a blade carrying a moveable main contact aligned with a stationary main contact. The kicker lever rotates counterclockwise to close the contacts in response to the actuator receiving a remote control close signal. The trip lever mounted on the same pivot, is configured to automatically open the contacts in response to a trip event, by pushing against the back side of the tab of the kicker lever.

Abstract: The present application relates to ensuring data consistency between a modular device and an external system. Techniques are described for ensuring data consistency between devices at a control device using configuration signatures. A control device can receive and store a baseline configuration signature for a first modular device. Upon initialization of the first modular device, the control device can receive a current configuration signature from the first modular device. The control device can compare the current configuration signature with the baseline configuration signature and, if a mismatch is found, generate a notification indicating that data subsequently received from the first modular device is of uncertain integrity.

Abstract: In a method and system, voltage and/or current signals on an electrical/power system is monitored. A power event is identified from the monitored voltage and/or current signals. In response to event identification, waveforms of the monitored voltage and/or current signals are captured. Energy-related signals are calculated and extracted from pre-event measurements, event measurements and post-event measurements using the captured waveforms. Additional information associated with the event is identified and calculated by comparing (a) the calculated and used energy-related signals from pre-event measurements, with (b) the calculated and used energy-related signals from post-event measurements.

Abstract: A method of analyzing events for an electrical system includes: receiving event stream(s) of events occurring in the electrical system, the events being identified from captured energy-related signals in the system; analyzing, an event stream(s) of the events to identify different actionable triggers therefrom, the different triggers including a scenario in which a group of events satisfies one or more predetermined triggering conditions; analyzing, over time, the different actionable triggers to identify a combination of occurring and/or non-occurring actionable triggers which satisfies a predefined trigger combination condition and an analysis time constraint; and in response to the observation of the combination, taking one or more actions to address the events.

Abstract: Embodiments provide an Energy Reduction Maintenance Setting (ERMS) key that includes a data connector configured to communicatively couple to a data port of a target device. The ERMS key further includes an illumination device and an actuator mechanism having a base positional state and an actuated positional state. The ERMS key includes logic configured to, upon detecting the actuator mechanism has moved from the base positional state to the actuated positional state, generate and transmit a first data message to the target device through the data connector instructing the target device to enter a protected mode. The logic is further configured to, upon receiving a second data message from the target device over the data connector acknowledging that the target device has successfully entered the protected mode, cause the illumination device to illuminate.

Abstract: A state of a tripping solenoid in a circuit breaker is determined by a primary coil and a secondary coil wound around a hollow body of a solenoid. The secondary coil is positioned within magnetic coupling distance from the primary coil and is configured to produce a sensing voltage based on the primary coil voltage. A ferromagnetic plunger positioned in the hollow body, is configured to slide axially to a tripped position to trip the circuit breaker when a trip voltage is applied to the primary coil. A plunger position detecting circuit connected to the secondary coil, is configured to detect the position of the plunger in the hollow body of the solenoid based on the sensing voltage. A reduction or absence of the sensing voltage indicates a faulty or broken connection in the primary coil.

Abstract: A service-entrance plug-on neutral (SEPON) device having a conductive neutral sled having a line sled side and a load sled side configured to electrically couple with a neutral bus of a bus assembly of a switchboard or panelboard when the SEPON device is installed on the bus assembly; a lug assembly having one or more electrically conductive terminal lugs configured to receive line neutral current from an external source and to electrically couple to the line sled side; a movable neutral disconnect link movable into a connection position to establish electrical continuity between the line sled side and the load sled side and into a disconnection position to cause a discontinuity between the line sled side and the load sled side; and a main bonding jumper having first mounted to the line sled side and a second ends configured to be moved between a non-connected position and a ground position.

Abstract: An apparatus provides a single split-bus electrical panel with back-feed circuit breakers arranged to allow connection of a Microgrid Interconnection Device (MID) for isolation of a critical loads section from a standards loads section during back-up operation due to a utility power outage. A first panel section of the split-bus electrical panel supplies power to non-critical standards loads in a residence. A second panel section of the split-bus electrical panel supplies power to critical loads in the residence, which must continue to be powered during a utility power outage.

Abstract: A method for removing low frequency offset components from a digital data stream includes receiving, at an input of an analog-to-digital converter (ADC), an analog input signal from one or more analog front end components. The analog input signal has an associated low frequency offset due, at least in part, to the analog front end components. The method also includes generating, at an output of the ADC, a digital data stream representative of the analog input signal. The digital data stream having an associated low frequency offset due, at least in part, to the analog front end components and/or the ADC. One or more low pass infinite impulse response (IIR) filters are applied to the digital data stream to detect the low frequency offset components in the digital data stream, and generate a filtered output signal with only the low frequency offset components present.

Abstract: Techniques are described for electrical equipment management. Embodiments include receiving and validating a login request from a user. Receiving a selection of an order of an electrical equipment system to assemble and, in response, retrieving and providing a plurality of instructions. Performing an iterative assembly process to manage the assembly of the electrical equipment system by the user, wherein the iterative assembly process comprises iterating through the plurality of instructions for assembling the electrical equipment. Recording digital artifacts of the electrical equipment system during performance of the plurality instructions as part of the iterative assembly process and upon determining that compliance has been achieved for the assembled electrical equipment system based on the recorded digital artifacts satisfying a predefined compliance standard, record a final assembly report for the electrical equipment system.

Abstract: Techniques are described for managing licenses of Internet of Things devices. One embodiment includes receiving, at a network management system, a request to allocate a license to a first endpoint device. Real-time device metadata and state data for the first endpoint device are accessed. Embodiments select a license instance, from a plurality of license instances, to allocate to the first endpoint device, based at least in part on the real-time device metadata and state data for the first endpoint device. The selected license instance is assigned to the first endpoint device and at least an indication that a valid license has been assigned to the first endpoint device is transmitted to the first endpoint device.

Abstract: System and method for monitoring and detecting potential problems early in a VCC based HVAC&R system employs a monitoring application or agent that uses continuous machine learning and a temperature map to derive or “learn” a relation between a measured input power parameter of one or more system compressors, and condenser and evaporator intake fluid temperatures, based on observations of the temperatures and the input power parameter when the HVAC&R system is new or in a “newly maintained” condition. The monitoring agent can then use the learned relation to determine, based on subsequent observations of the condenser and evaporator intake fluid temperatures, the input power parameter values that should be expected if the HVAC&R system were operating in the “newly maintained” condition. The agent can thereafter compare the expected compressor input power parameter values with observed input power parameter values to determine early whether the system is experiencing performance degradation.

Abstract: A compact auxiliary connector can include two bushings each with an electrical connector(s), and a tubing connected between the two bushings to insulate an electrical cable, which is connected between electrical connectors of the two bushings. The electrical connector of each of the two bushings can be connected to an electrical device, a line or load bus or a combination thereof, according to the desired connection configuration. Each bushing may also include a flexible joint cover, such as a boot, to cover the connection of the bushing connectors to a bus, such as a primary bus. The compact auxiliary connector can manage live connections between auxiliary or other device(s) and line/load buses in a switchgear cabinet of a switchgear assembly. The bushings, tubing and flexible joint cover can be formed of insulating materials having desired dielectric strength according to the voltage applications.