215 results about "Interrupter" patented technology

A system for setting a plug in a wellbore includes a setting tool configured, upon activation, to displace the shift the plug in the wellbore from a run-in configuration permitting fluid flow within the wellbore around the plug to a set configuration restricting fluid flow in the wellbore around the plug, an initiator including an igniter switch and an igniter assembly including an igniter energetic element, the initiator including a signal interrupter configured to shift automatically from a first state in which signal communication is provided through the signal interrupter between the igniter switch and the igniter assembly to a second state in which signal communication is restricted through the signal interrupter between the igniter switch and the igniter assembly in response to exposing the initiator to a predefined toolstring condition and whereby a surface indication is provided of the shifting of the plug to the set configuration.

An RF infrastructure sentry system includes one or more sensors configured to detect that an object has entered an area of concern proximate to an RF radiation source and an RF mitigation system operatively connected to the one or more sensors. The RF mitigation system includes an electrical input operatively connected to a power supply for the RF radiation source; an electrical output operatively connected to the RF radiation source; a relay disposed on an electrical path between the electrical input and the electrical output and configured to selectively connect or disconnect the electrical input and the electrical output through the electrical path; and a processor operatively connected to the relay and configured, at least in response to detection by the one or more sensors that the object has entered the area of concern, to open the relay to temporarily interrupt power to the RF radiation source.

A circuit interrupter is structured to electrically connect between a power source and a load. The circuit interrupter includes: separable contacts; an actuator coupled to the separable contacts and structured to open or close the separable contacts; a current sensor structured to sense current flowing through the circuit interrupter to the load; a communication module communicatively coupled to at least one of a cloud server and a user device and structured to transmit and receive data; and a controller coupled to the sensor, the actuator, and the communication module, the controller comprising at least one of a fault detector and a look-up table, the fault detector structured to detect and classify a fault, the look-up table comprising at least reference data associated with previous normal cycles, the reference data including at least power factors, closing angle ranges and fault classification categories.

A high-frequency resistant ground fault circuit interrupter (HF-GFCI) with self-test and end-of-life detection is disclosed. The invention incorporates a noise-resistant fault detection circuit, an auto-test module, and an end-of-life shutdown mechanism to ensure reliable protection. The device minimizes false tripping due to high-frequency noise and enhances safety through continuous self-monitoring. Experimental validation confirms improved immunity to leakage currents and transient voltage disturbances. The HF-GFCI also provides an LED circuit having dual functionality: an LED indicator circuit and neutral to ground detection on the load side of the HF-GFCI.

The present disclosure relates to electrical wiring devices, specifically ground fault circuit interrupters (GFCIs) with integrated self-test and miswire detection capabilities. The device comprises line and load hot terminals, line and load neutral terminals, a differential transformer with a sense coil, a circuit interrupter, and a controller. The controller is configured to periodically initiate a simulated fault self-test, allowing the fault condition to persist in a non-trip test state and triggering the circuit interrupter only if a fault is not detected within a predetermined period. The controller also detects miswire conditions by monitoring power at the line hot terminal during trip events and maintains a miswire state in memory if improper wiring is detected.

The utility model provides a high-frequency anti-interference ground fault circuit interrupter and a GFCI circuit, which have an end-of-life self-checking function and comprise a high-frequency GFCI. The high frequency GFCI includes a circuit breaker and a relay circuit for controlling the circuit breaker. The high-frequency GFCI further comprises a fault detection circuit and a latch circuit. The utility model also provides an isolation circuit used for isolating the latch circuit and the fault detection circuit during a self-test period. And the self-checking circuit is used for testing the latch circuit and the fault detection circuit. An end-of-life circuit is also provided for disabling the high frequency GFCI when a self-test fails.

A circuit interrupter may include a plurality of mounting components comprised of an insulating material for receiving a first busbar and a second busbar component. A circuit interrupter may include an arc chamber for providing a primary arc path for a current between the first and second busbar components. A circuit interrupter may include a pyrotechnic charge and pusher component located in between the first and second busbar components and the arc chamber. The pusher component may be comprised of an insulating material and can be triggered upon detection of a fault to direct ionized particles or resulting gases toward the arc chamber.

An apparatus suitable for use in an air-conditioning system and configured to provide a plurality of selectable capacitance values includes a plurality of capacitive devices and a pressure interrupter cover assembly. Each of the capacitive devices has a first capacitor terminal and a second capacitor terminal. The pressure interrupter cover assembly includes a deformable cover, a set of capacitor cover terminals, a common cover terminal, and a set of insulation structures. The apparatus also includes a conductor configured to electrically connect the second capacitor terminal of at least one of the capacitive devices to the common cover terminal.

The invention discloses a double-vacuum fracture multifunctional outdoor pole-mounted switch, which comprises a switch body, an operating mechanism, a transmission mechanism, two vacuum arc-extinguishing chambers, a current transformer and a controller, and is characterized in that the two vacuum arc-extinguishing chambers comprise a first vacuum arc-extinguishing chamber and a second vacuum arc-extinguishing chamber; the first vacuum arc-extinguishing chamber and the second vacuum arc-extinguishing chamber are arranged on the two sides of the same pole in a series connection mode, the first vacuum arc-extinguishing chamber and the second vacuum arc-extinguishing chamber are arranged in series, a single-time breaking task is distributed to the two arc-extinguishing chambers, the short-circuit current breaking capacity is remarkably improved, the contact ablation risk is reduced, the service life of the switch is prolonged, and the service life of the switch is prolonged. The mechanical interlocking design of the manual operation unit and the electric operation unit ensures that emergency operation can still be carried out through a circuit breaker opening and closing handle when a power failure occurs or a control system breaks down, an isolation operation handle independently controls an isolation static contact through an isolation insulation pull rod, step-by-step operation of the circuit breaker and an isolation disconnecting link is achieved, the maintenance safety requirement is met, and the maintenance cost is reduced. And the mistaken touch risk is reduced.

Disclosed are a system, method, device and core particle for interrupt handling, the system comprising: a manager, a repeater and an interrupter wherein the manager is used for sorting the response sequence of interrupt signals to send the sorted interrupt signals to the repeater; the repeater is used for filtering the sorted interrupt signals based on a filtering condition so as to send the filtered interrupt signals to a target core particle; and the interrupter is used for distributing the filtered interrupt signal received by the target core particle to the processor in the target core particle for processing according to the response sequence. Through the scheme of the invention, the interrupt distribution and processing flow among the core particles can be optimized by utilizing the characteristics of a multi-processor architecture.

Machine learning-based arc fault detection and nuisance trip avoidance includes (i) obtaining data representing properties of an electrical signal sensed by an arc-fault circuit interrupter, (ii) interpreting the properties of the electrical signal as indicating an arc fault, the interpreting being based on application of an initial artificial intelligence (AI) model, (iii) based on the interpreting, opening a switch of the arc-fault circuit interrupter to interrupt the conduction of a supply of power to a load output terminal, (iv) receiving an indication that the properties of the electrical signal do not reflect an arc fault, such indication being that the arc-fault circuit interrupter is to refrain from arc-fault-based opening of the switch, (v) obtaining an updated AI model, where the updated AI model undergoes training using the data representing the properties of the electrical signal as an example of the absence of an arc fault, and (vi) deploying the updated AI model in place of the initial AI model.

A ground fault circuit interrupter (GFCI) device includes a ground fault detection module for detecting a ground fault in a neutral line of a plurality of current carrying lines and generating a ground fault signal in response thereto, including a neutral line detection coil having a magnetic core made of a silicon steel and through which the current carrying lines pass; a leakage current detection module for detecting the ground fault signal and detecting a leakage current signal on the current carrying lines, and generating a zero sequence current fault signal in response to either signal; and a drive module for receiving the zero sequence current fault signal and driving a switch module to disconnect the electrical connection of the current carrying lines in response thereto. The GFCI device can avoid false tripping when high frequency currents flow through the current carrying lines, improving user experience and enhancing safety.

A circuit breaker includes a transient fault thermal management device including an enclosure having an inner cavity and a phase change material (PCM) disposed within the inner cavity, the transient fault thermal management device structured to provide a transient heat flow path via which heat is dissipated during a fault; a power electronic module connected between the power source and the load and structured to switch OFF to interrupt current flowing to the load during the fault; and a steady state thermal management device including a base, a body extending upward from the base, and a plurality of fins extending downward from the base, the body being attached to the power electronic module on one side and surrounded by the enclosure, the steady state thermal management device structured to provide a steady state heat flow path exclusive of the PCM and dissipate heat during a normal operation.

The present invention has been devised to solve the above-described problems, with the objective of the present invention being to provide a load interrupter switch having a function for preventing reconnection due to rebound that may occur during interruption. The load interrupter switch according to one aspect of the present invention is provided with a shaft lever and a rebound prevention latch assembly, thus preventing rebound from occurring after interruption.

A circuit interrupter includes a housing; line conductors; load conductors; an isolation switch assembly including isolation switches disposed within the housing, one solenoid actuator disposed external to the housing and between two line conductors, the one solenoid actuator structured to actuate the isolation switches to be open or closed based on a command signal, and an insulating connector connecting the isolation switches and the one solenoid actuator; and a power electronic module disposed within the housing and including a controller and electronic interrupters connected to the controller, the isolation switches and the load conductors, the controller structured to generate and transmit a control signal comprising the command signal to the electronic interrupters or the solenoid actuator, the electronic interrupters structured to allow the current to flow during normal operation and interrupt the current from flowing to the load in the event of a fault based on the control signal.

In one example, a circuit interrupter includes a bus bar configured to conduct a current and configured to connect to an electrical grid. The circuit interrupter includes a bus bar cutter configured to sever the bus bar, a temperature compensation circuit including a resistance-temperature-coefficient (RTC) circuit configured to provide a temperature-compensated delay, and a detonator firing circuit configured to trigger the bus bar cutter in response to the temperature-compensated delay. The temperature-compensated delay is based on a voltage across a resistance temperature detector (RTD).

A system, method, and apparatus for electrically shielding heated components, and more particularly, a system, method, and apparatus for electrically shielding electrically heated components in a manner compatible with a GFCI (Ground Failure Circuit Breaker) protected circuit are provided. An example includes an electrically shielded heating assembly including: a conductor, where the conductor is a heating element connected through a GFCI between a power line and a neutral line of an electrical circuit; and a shield proximate to the conductor and connected to the GFCI, where the shield receives a portion of the current from the conductor and returns the portion of the received current to the GFCI.

The invention relates to a computer implemented method for determining an estimated travel curve of an interrupter unit of a high or medium voltage device, including the steps of—receiving a reference travel curve for the interrupter unit of the high or medium voltage device, wherein the reference travel curve describes relative positions of arcing contacts of the interrupter unit with regard to each other over time during an opening and / or closing operation of the interrupter unit, receiving auxiliary switch data representing transition timepoints of an auxiliary switch A and transition timepoints of an auxiliary switch B of the interrupter unit during opening and / or closing operation, wherein the auxiliary switch data has been acquired by performing multiple opening and / or closing operations of the interrupter unit, and determining an estimated travel curve by taking the received reference travel curve and the received auxiliary switch data into account.

A high energy density rechargeable (HEDR) battery employs a combined current limiter / current interrupter to prevent thermal runaway in the event of internal discharge or other disruption of the separator. The combined current limiter / current interrupter is interior to the battery.

A system and method for operating a vacuum interrupter in a self-resetting interrupter. The method includes detecting fault current, opening the vacuum interrupter a first time using power harvested from the current transformer when the fault current is detected, and storing a polarity of the detected fault current when the vacuum interrupter is opened. The method then determines a close time to close the vacuum interrupter so that the current has the same polarity that was stored when the vacuum interrupter was opened and that actuation of closing the vacuum interrupter ends at a current zero crossing, closes the vacuum interrupter at the close time, and opens the vacuum interrupter a second time after the vacuum interrupter is closed using power harvested from the current transformer.

A perforating gun includes a charge tube, a switch carrier body, and a pin contact spacer. The switch carrier body houses an addressable switch, a spring tube which holds a spring, a detonation block, a removable interrupter, and a pin contact spacer supporting a pin contact assembly. The spring biases a switch contact terminal towards an outer surface of the switch carrier body, and the switch contact terminal is electrically connected to the addressable switch. The interrupter includes first and second portions, and is temporarily adhered to the switch carrier body such that the first portion covers the switch contact terminal and the second portion extends between a detonation cord and an instantaneous detonator in the detonation block. A first end of the charge tube is positioned around the switch carrier body, and a second end of the charge tube is secured to the pin contact space.

A recloser including a circuit interrupter having a first contact and a second contact movable relative to the first contact between a closed position, which allows current to pass through the circuit interrupter, and an open position, which separates the contacts and prevents current from passing through the circuit interrupter. The recloser further includes an actuator coupled to the circuit interrupter, the actuator including a plunger coupled to the second contact for closing and opening the circuit interrupter. The recloser further includes a sensor board including a first position sensor and a second position sensor, the first and second position sensors configured to generate signals indicative of a position of the plunger. The recloser further includes a controller configured to determine a velocity of the plunger based on a first signal generated by the first position sensor and a second signal generated by the second position sensor.

A high voltage air disconnect switch having an electrical load interrupter unit responsive to the opening of the high voltage air break disconnect switch. The electrical load interrupter unit including an actuating arm is contacted, during the opening of the switch, by a moving arc horn attached to and in electrical circuit with a switch blade of the high voltage air disconnect switch. The moving arc horn has operatively attached a spring catch which engages the actuating arm with a physical holding force applied to an electric contact point between the actuating arm and the moving arc horn to firmly capture the interrupter actuating arm against the moving arc horn during opening of the switch to prevent any arc burning damage due to arcing between the actuating arm and the moving arc horn as the switch opens.

A method for controlling a triode for alternating current (TRIAC), applied to a device, is provided. A voltage is connected to an anode of the TRIAC, and a scaled down voltage is fed into an analog-to-digital converter (ADC) pin of the device. The method includes (1) tracking the voltage at the anode of the TRIAC; (2) applying a trigger pulse to a gate of the TRIAC for a preset time based on the voltage at the anode of the TRIAC reaching a threshold; and (3) detecting whether there is a dip that corresponds to the preset time in the scaled down voltage at the ADC pin of the device. The method further includes, in response to not detecting a dip corresponding to the preset time in the scaled down voltage at the ADC pin, (4) waiting an amount of time; and (5) repeating the steps (1)-(3).

An electrical contactor (10, 10 ') with a built-in circuit breaking device, the electrical contactor (10, 10') comprising at least one arc breaking device (20), the arc breaking device (20) comprising a first arc guide (21), a second arc guide (22) connected to a contact (12), and a fin-type circuit breaking module (23) comprising a series of electrically conductive fins (24) extending between the first arc guide (21) and the second arc guide (22). The arc breaking device (20) comprises a controlled switch (26) which is connected between two conductive fins (24) of the fin type circuit breaking module (23) and is controlled by an electronic control unit (27).

The utility model provides a 12kV outdoor all-insulation double-fracture load switch, which comprises a box body and inlet and outlet wire insulation sleeve assemblies at two sides of the box body, and further comprises an arc extinguishing fracture mechanism and a visible fracture mechanism which are positioned in the box body and are connected through a copper bar; the arc extinguishing fracture mechanism and the visible fracture mechanism are respectively connected with the incoming and outgoing line insulating sleeve assembly, and a visible window is arranged at a position, corresponding to the visible fracture mechanism, of the box body; the box body forms a sealing box, the sealing box is filled with air, and an insulating layer is arranged on the outer surface of the sealing box. According to the utility model, the two fractures and the load switch filled with nitrogen are added, SF6 gas is replaced, the vacuum arc extinguish chamber is used for breaking fault current, and the linear arc extinguish chamber is used for providing the visible fractures, so that the problem of insulating media of the load switch is solved, and the characteristics of intrinsic insulation and visible fractures are reserved at the same time.

A method for mitigating RF radiation exposure in an area of concern proximate to an RF radiation source includes operatively connecting one or more sensors to a processor, operatively connecting the processor to a relay disposed on an electrical path between an electrical input and an electrical output, the relay configured to selectively connect or disconnect the electrical input and the electrical output through the electrical path under control of the processor, operatively connecting the electrical input to a power supply for the RF radiation source, operatively connecting the electrical output to the RF radiation source, detecting, via the one or more sensors, that an object has entered the area of concern, and opening the relay, via the processor, to temporarily interrupt power to the RF radiation source at least in response to detection by the one or more sensors that the object has entered the area of concern.

An uninterruptible power supply according to this invention includes an uninterruptible-power-supply module including a power conversion housing accommodating a power converter. The uninterruptible power supply includes a bus part arranged outside the power conversion housing of the uninterruptible-power-supply module, and configured to deliver input / output power from / to the uninterruptible-power-supply modules. Also, the uninterruptible power supply includes a module interrupter provided between the uninterruptible-power-supply module and the bus part and configured to electrically entirely disconnect the uninterruptible-power-supply module from the bus part. Also, the uninterruptible power supply includes a bypass circuit part including a switching circuit for switching electrical conduction, and configured to supply AC power from a bypass AC power supply to the load without connection through the uninterruptible-power-supply module.

A power cord photocoupler leakage current detection interrupter (LCDI) includes: a switch unit provided between an input terminal and an output terminal, and configured to control the input terminal and the output terminal to turn on or off; a leakage current detection line wrapped with a power cord connected between the switch unit and the output terminal, and configured to detect whether the power cord has a leakage current; and a leakage current interruption unit connected to the switch unit and the leakage current detection line, and configured to detect a leakage current signal of the leakage current detection line, and send a corresponding control signal to the switch unit according to the leakage current signal.

The invention provides an arc fault breaker, an energy storage unit, an energy storage device and an energy storage system, relates to the technical field of energy, and is used for improving the sampling capability of the arc fault breaker and further improving the accuracy of arc fault detection. The arc fault breaker comprises a first current sensor, a second current sensor, a first signal detection circuit, a second signal detection circuit and a controller. The first current sensor and the second current sensor are used for outputting a first sampling signal and a second sampling signal respectively according to a current signal transmitted between the battery module and the converter; the first signal detection circuit is used for outputting a differential mode signal according to the first sampling signal and the second sampling signal; the second signal detection circuit is used for outputting a common-mode signal according to the first sampling signal and the second sampling signal; and the controller is used for disconnecting the battery module and the converter under the condition that the spectrum characteristic of the differential mode signal and the spectrum characteristic of the common mode signal are matched with the spectrum characteristic of the arc fault signal.