A predictive circuit breaker model and system for network application is disclosed. In some embodiments, the techniques described herein relate to a method that includes receiving telemetry data from one or more network applications; generating a set of feature vectors based on the telemetry data, the set of feature vectors associated with at least one network application in the one or more network applications; inputting the set of feature vectors into a machine learning (ML) model to generate a prediction, the prediction including a binary classification of the set of feature vectors; and triggering at least one circuit breaker function in response to the prediction.

According to one example, an electrical device is provided comprising electrical-device components, a first memory configured to store data temporarily, a second memory, the second memory being non-volatile memory, and a control device configured to acquire data indicative of at least one parameter of at least one electrical-device component of the electrical-device components responsive to a sample condition being met, store the acquired data in the first memory, determine that a fault condition exists based on the acquired data, the fault condition being indicative of a fault of one or more of the electrical-device components, and store the acquired data in the second memory responsive to determining that the fault condition exists.

Wireless communication enabled circuit breakers are described. Methods associated with such wireless communication enabled circuit breakers are also described. The wireless communication enabled circuit breakers may controlled by a remote entity. The remote entity may wirelessly case the wireless communication enabled circuit breakers to trip.

An apparatus includes a plurality of surge protection devices (e.g., multiple metal oxide varistors connected in parallel) configured to be coupled to a power system, a plurality of mechanical actuators associated with respective ones of the surge protection devices and configured to indicate status of the associated surge protection devices, and a detector circuit configured to sense actuation of the actuators and responsively determine a protection status of the plurality of surge protection devices. The detector circuit may include a plurality of switches configured to be actuated by respective ones of the actuators. The detector circuit may further include a processor coupled to the plurality of switches and configured to determine states of switches and to determine the protection status based on the determined status of the switches. The processor may be configured to interpret the status of the switches based on a stored identifier.

A digital-twin modeling method for an automated testing pipeline for circuit breakers involves acquiring a three-dimensional digitalized model of each mechanical installation in the testing pipeline; modeling hierarchy according to an actual production process and motion states; performing mesh optimization on the resulting model; designing movements of each said mechanical installation, so as to obtain mechanical movement tracks of the models; combining actual movement logic and cooperative relationship among the movements to edit the mechanical movement tracks of the models; and introducing motion control, so as to conduct motion simulation in a digital-twin scene, thereby implementing virtual movements synchronous with movements of the actual testing pipeline. The method realizes centralized management of production data of the pipeline and realizes remote visualized operation, management and maintenance of the testing pipeline, thereby providing a basic platform for digitalized production of miniature circuit breakers.

Ground-fault circuit interrupter positioned between energy controlled supply circuit and load circuit which includes fault detection circuit that senses ground path current leakage to the load circuit, fault processing circuit that detects presence of fault and generates fault output signal when fault detected, and control circuit switch connected to fault processing signal output, wherein control circuit switch is opened by presence of fault output signal, thus isolating load circuit from supply circuit. Preferably fault processing circuit and control circuit are optically linked, such that when fault is detected, control circuit switch is opened by optical fault output signal, thus isolating load circuit from the supply circuit. Circuit interrupter may couple another circuit interrupter via power distribution control unit, optionally manageable remotely via automated control interface.

An electrical system may include an ECU and a power distribution circuit that may include a first portion and a second portion. The first portion may be configured to combine a first power input and a second power input into a power output. The second portion may be configured to provide the combined power output to a plurality of loads. The first portion may include a first section, a second section, and an output section. The output section may be connected to the second portion. The first section and the second section may be connected in parallel to the output section. The first section may include a first semiconductor device and a first switch disposed in series. The second section may include a second semiconductor device and a second switch disposed in series. The ECU may be configured to detect and mitigate a thermal hazard in the power distribution circuit.

A test device for testing an electrical circuit includes input terminals connectable by test leads to different test points of the electrical circuit; at least first and second measurement circuits; switches; a processor; and a storage medium storing instructions that, when executed by the processor, cause the test device to perform a first test of the electrical circuit while one or more of the switches electrically couples at least first and second ones of the input terminals to the first measurement circuit, and perform a second test of the electrical circuit while one or more of the switches electrically couples at least third and fourth ones of the input terminals the second measurement circuit, where the first and second tests are performed without changing connections of the input terminals of the test device to the different test points of the electrical circuit.

A redundant and dissimilar system for monitoring the status of contactors of an aircraft control stick. This monitoring system comprises at least one electrical power source, at least one processor and several circuits for monitoring the status of the switches of the contactors. Each monitoring circuit comprises and electrical power source, a switch for each contactor, the switches of a contactor being connected to each other, and an electronic assembly provided with receivers arranged in series with each other. Each switch is arranged in parallel with at least one receiver so as to short-circuit the at least one receiver when the switch is in the closed state. Each processor measures and analyses an electrical feature of the electronic assembly, such as a mains voltage VE as the terminals of the electronics assembly, in order to determine the status of each switch.

A battery pack including a first charging contactor and a second charging contactor; a first measurement resistor, a second measurement resistor and a third measurement resistor electrically connected to at least two of one ends and the other ends of the first charging contactor and the second charging contactor; a first measurement contactor, a second measurement contactor and a third measurement contactor electrically connected to at least one of the first measurement resistor, the second measurement resistor and the third measurement resistor; and a control unit configured to control an operation state of at least one of the first measurement contactor, the second measurement contactor and the third measurement contactor based on whether at least one of a charging start request signal and a charging end request signal is received.