408 results about "Interrupter" patented technology

An electrical fault detection and interruption device includes a switch module coupled between input and output ends of current carrying lines, a GFCI (ground fault circuit interrupter) fault detection module for generating a ground fault signal when detecting a leakage current on the current carrying lines, an AFCI (arc fault circuit interrupter) fault detection module for generating an arc fault signal when detecting harmful arcs on the current carrying lines, a drive module for driving the switch module to disconnect the electrical connection between the input and output ends in response to the ground fault signal and / or arc fault signal, a fault signal transfer module for generate a simulated leakage current signal in response to the arc fault signal, and a monitoring module for generating a harmful arc signal to test whether the electrical fault detection and interruption device is functioning normally.

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.

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.

A capacitor provides a plurality of selectable capacitance values, by selective connection of six capacitor sections of a capacitive element each having a capacitance value. The capacitor sections are provided in a plurality of wound cylindrical capacitive elements. Two vertically stacked wound cylindrical capacitance elements may each provide three capacitor sections. There may be six separately wound cylindrical capacitive elements each providing a capacitor section. The capacitor sections have a common element terminal. A pressure interrupter cover assembly is sealingly secured to the open end of case for the elements and has a deformable cover with a centrally mounted common cover terminal and a plurality of section cover terminals mounted at spaced apart locations. A conductor frangibly connects the common element terminal of the capacitor section to the common cover terminal and conductors respectively frangibly connect the capacitor section terminals to the section cover terminals. Deformation of the cover caused by failure of the capacitor element breaks at least some of the frangible connections sufficient to disconnect the capacitive element from an electric circuit in which it is connected. A cover insulation barrier mounted on the deformable cover, has a barrier cup substantially surrounding the common cover terminal and a plurality of barrier fins each extending radially outwardly from the barrier cup, and deployed between adjacent section cover terminals.

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.

A capacitor provides a plurality of selectable capacitance values, by selective connection of six capacitor sections of a capacitive element each having a capacitance value. The capacitor sections are provided in a plurality of wound cylindrical capacitive elements. Two vertically stacked wound cylindrical capacitance elements may each provide three capacitor sections. There may be six separately wound cylindrical capacitive elements each providing a capacitor section. The capacitor sections have a common element terminal. A pressure interrupter cover assembly is sealingly secured to the open end of case for the elements and has a deformable cover with a centrally mounted common cover terminal and a plurality of section cover terminals mounted at spaced apart locations. A conductor frangibly connects the common element terminal of the capacitor section to the common cover terminal and conductors respectively frangibly connect the capacitor section terminals to the section cover terminals. Deformation of the cover caused by failure of the capacitor element breaks at least some of the frangible connections sufficient to disconnect the capacitive element from an electric circuit in which it is connected. A cover insulation barrier mounted on the deformable cover, has a barrier cup substantially surrounding the common cover terminal and a plurality of barrier fins each extending radially outwardly from the barrier cup, and deployed between adjacent section cover terminals.

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.

A High Frequency ground fault circuit interrupter (HF-GFCI) resistant to high frequency nuisance tripping with end-of-life self-testing is provided. The HF GFCI includes a circuit breaker and a relay circuit for controlling the circuit breaker. The HF-GFCI also includes a fault detecting circuit and latch circuit. Also provided is an isolation circuit for isolating the latch circuit and the fault detecting circuit during self-test; and a self-test circuit for testing the latch circuit and the fault detecting circuit. The HF-GFCI provides an end-of-life circuit for disabling the HF-GFCI if self-test fails.

A static transfer switch (STS) system for transferring power between power sources is provided. The STS system includes first and second alternate-current (AC) switch assemblies. The first AC switch assembly includes a first current interrupter, and a first controller configured to control the first current interrupter. The second AC switch assembly includes a second current interrupter, and a second controller configured to control the second current interrupter. The first AC switch assembly and the second AC switch assembly are in communication with one another and are each configured to monitor an output power to the load, the first power source, and the second power source and transfer power when disturbance is detected in the output power, the first power source, and / or the second power source.

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.

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.

An exemplary embodiment of an active / passive automotive fuse module in accordance with the present disclosure may include: an electrically insulating base; a fuse plate including a busbar portion disposed on a top surface of the base above a projectile cavity formed in the base, the fuse plate further including a fusible portion electrically connected to the busbar portion and adapted to disconnect when a current flowing through the fuse plate exceeds a current rating of the active / passive automotive fuse module, the active / passive automotive fuse module further including a pyrotechnic interrupter (PI) disposed on top of the base and including a projectile located above the busbar portion, the PI being configured to drive the projectile through the busbar portion when the PI is actuated.

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 capacitor provides a plurality of selectable capacitance values, by selective connection of six capacitor sections of a capacitive element each having a capacitance value. The capacitor sections are provided in a plurality of wound cylindrical capacitive elements. Two vertically stacked wound cylindrical capacitance elements may each provide three capacitor sections. There may be six separately wound cylindrical capacitive elements each providing a capacitor section. The capacitor sections have a common element terminal. A pressure interrupter cover assembly is sealingly secured to the open end of case for the elements and has a deformable cover with a centrally mounted common cover terminal and a plurality of section cover terminals mounted at spaced apart locations. A conductor frangibly connects the common element terminal of the capacitor section to the common cover terminal and conductors respectively frangibly connect the capacitor section terminals to the section cover terminals. Deformation of the cover caused by failure of the capacitor element breaks at least some of the frangible connections sufficient to disconnect the capacitive element from an electric circuit in which it is connected. A cover insulation barrier mounted on the deformable cover, has a barrier cup substantially surrounding the common cover terminal and a plurality of barrier fins each extending radially outwardly from the barrier cup, and deployed between adjacent section cover terminals.

The invention discloses an electric leakage detection interruption circuit, an electric leakage detection interrupter and electrical equipment, the circuit is suitable for being connected between a power supply input end and a load, and the circuit comprises a switch unit used for controlling whether a power supply is connected or not; the switch driving unit is used for controlling the on-off of the switch unit; the shielding unit wraps the load power supply line so as to carry out electric leakage detection on the load power supply line; the detection unit comprises a power supply voltage stabilizing chip or a photoelectric coupler, is respectively connected with the shielding unit and the switch driving unit, and is used for increasing the voltage between two detection pins of the power supply voltage stabilizing chip or the photoelectric coupler to a voltage threshold value when the open circuit of the shielding unit is detected, so that the power supply voltage stabilizing chip or the photoelectric coupler is conducted; therefore, the switch driving unit is triggered to control the switch unit to be switched off so as to cut off power supply access. The circuit can cut off the access of a power supply when the conductor shielding layer is open-circuited, so that the danger caused by the fact that electric leakage cannot be detected in time can be prevented, and the protection and safety effects are achieved.

The invention relates to a decorative thermal insulation reverse wall using point-break bridges and gap blocking and a construction method. The reverse wall comprises a decorative panel, a thermal insulation layer and a concrete layer. The decorative panel and the thermal insulation layer are composited to form an integrated unit board. Grooves are provided at the board seams around the decorative panel of each integrated unit board. A plurality of integrated unit boards are spliced ​​with each other. A thermal insulation component is provided at each board seam intersection on one side of the thermal insulation layer. A non-through threaded hole is provided on the thermal insulation component. A clamping groove is provided on the side of the thermal insulation component. An extruded plate strip is provided along the board seam of each integrated unit board. The two ends of the extruded plate strip are respectively embedded in the clamping grooves of the thermal insulation components on the adjacent two sides. Bolts are inserted into the board seams along the thickness direction of the integrated unit board. One end of the bolt is limited by the groove, and the other end of the bolt is screwed into the threaded hole of the thermal insulation component. Reinforcing ribs are provided on the thermal insulation layer of the plurality of spliced ​​integrated unit boards, and concrete is poured on the thermal insulation layer to form a concrete layer. The concrete layer covers the thermal insulation component.

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.

A multi-phase electrical machine for use in an aircraft. The electrical machine includes a stator including a plurality of electrical phases. Each electrical phase includes phase windings. The phase windings in each phase having a first end electrically connected to a common neutral conductor, and a second end providing an electrical connection from the phase winding to an electrical power source or load. The electrical machine also including an array of magnetic elements, the rotor being rotatably mounted with respect to the stator. The electrical machine also including sensing means configured to sense a condition of the stator indicative of an electrical fault in one of the plurality of electrical phases; and at least one electrical interrupter operable to electrically disconnect at least one first end of the plurality of phase windings from the common neutral conductor.

A remotely operated circuit interrupter includes: primary separable contacts coupled to an operating mechanism and a thermal-magnetic trip device structured to interrupt current from flowing to loads by opening the primary separable contacts during a fault event; and a fault current tolerant secondary switching mechanism including secondary separable contacts coupled to the primary separable contacts in series, Rogowski coils, a di / dt measurement circuit, a secondary solenoid driver, the Rogowski coils structured to continuously sense a rate (di / dt) of change of load current, the di / dt measurement circuit structured to receive a signal including the sensed di / dt, determine that the sensed di / dt has reached or exceeded a threshold current rate of change, and output a fault signal to the secondary solenoid driver based on the determination, the secondary solenoid driver structured to actuate the solenoids to fully open the secondary separable contacts using arc voltages of the primary and secondary contacts.

To improving assemblability of a circuit breaker so as to eliminate a risk of a protection plate being blown off from a back surface wall of an arc-extinguishing chamber unit even if a gas pressure of the arc-extinguishing chamber rises.SOLUTION: An arc-extinguishing device 7 of a circuit breaker 1, includes: an arc-extinguishing chamber unit 16 that is arranged in a case 2, and surrounds a stationary contact 10 and a movable contact 11; and a protection plate 20 that is arranged on a back surface wall so as to cover an exhaust port 33 that is open in one side 32a of a longitudinal direction of a back surface wall 32 of the arc-extinguishing chamber unit. The protection plate comprises: a long main body part 21 that covers the exhaust port; and a base part 22 (a pair of first engagement pieces 24a and 24b, a penetration hole 25, and a second engagement piece 27) that is formed continuously to one end of the longitudinal direction of the main body part. The other side in the longitudinal direction of the back surface wall of the arc-extinguishing chamber unit 16 is provided with protection plate holding parts 35a, 35b, and 36a onto which the protection plate is integrally mounted, restricting the protection plate from departing from the back surface wall of the base part, and restricting the protection plate from moving toward one side and the other side in the longitudinal direction of the back surface wall of the base part.SELECTED DRAWING: Figure 6

An energy transmitting stud-and-socket releasable fastening system includes a first connection part associated with an energy source and a second connection part with an energy consuming load. When the first and second connection parts are coupled together, energy can be transmitted from the energy source through the stud-and-socket to the load. A core plug in the socket is depressed by the stud as the first and second connection parts are brought together, causing a bolt to deploy which mechanically constrains the stud within the socket. An upstream conduit, running from the energy source and terminating in the core plug, includes an interrupter in the form of a poppet. Energy transmission through the interrupter occurs only when the core plug is in a depressed condition. A push-button actuator disengages the bolt so that the first and second connection parts can be decoupled, and the transfer of energy concurrently terminated.

Disclosed is a circuit arrangement for checking the cutout ability of an electronic fuse used as an interrupter, a first electronic switch, between a power supply and a control device. A second electronic switch is connected in parallel with the first switch has a lower current-carrying capacity than the first switch and is configured, when conductive, to generate a lower voltage drop across its load path than the first switch at the same current as the first switch. The first and the second switches are actuated by a control and diagnostic circuit configured to check the cutout ability of the first switch acting as a fuse when the second switch is switched on, and to check the voltage drop across the two switches and, upon a reduction in the voltage when the second switch is on and the first switch is off, to conclude that the switches are functioning correctly.

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.

An electric vehicle (EV) charger includes a disconnect switch assembly including an EV connector structured to be inserted into a power receptacle for an EV, an EV charging cord coupled to the EV connector, and a disconnect switch box including a disconnect switch structured to connect or disconnect power supply to the EV and a terminal block structured to connect communications lines, where the disconnect switch box is structured to be installed at a charging space for the EV; and an EV circuit breaker charger couplable to the disconnect switch box via a separate EV charging cord and structured to be inserted within a panelboard remotely located from the charging space, the EV circuit breaker charger including a circuit interrupter structured to interrupt current from flowing to the EV in an event of fault, an EV charger structured to supply power to the EV, and a communications component structured to communicate with the EV via the communications lines.

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.

In aspects of the present disclosure, a circuit interrupter includes a housing, a conductive path, a switch which selectively interrupts the conductive path, sensor(s), memory, and a controller within the housing. The sensor(s) measure electrical characteristic(s) of the conductive path. The memory stores an arc detection program that implements a machine learning model and includes a field-updatable program portion and a non-field-updatable program portion, where the field-updatable program portion includes program parameters used by the non-field-updatable program portion to decide between presence or absence of an arc fault. The controller executes the arc detection program to compute input data for the machine learning model based on the sensor measurements, decide between presence of an arc event or absence of an arc event based on the input data, and cause the switch to interrupt the conductive path when the decision indicates presence of an arc event.

A charging system comprising a plurality of circuit interrupters, each having a first terminal and a second terminal, the first terminal being electrically coupled to each line breaker among a corresponding plurality of line breakers that are coupled to an electric power source; a high-voltage AC power bus coupled to the second terminal of each circuit breaker among the plurality of circuit interrupters; a plurality of control boxes, each control box among the plurality of control boxes comprising a controllable charge interrupter having a first terminal coupled to the high-voltage AC power bus and a second terminal coupled to an EVSE connector; a means for control of the controllable charge interrupter; and one or more non-transitory computer-readable storage media coupled to the means for control and storing one or more sequences of instructions which when executed using the means for control cause the means for control to execute a charge management strategy.

A dual purpose power pedestal includes a housing having a base, a body extending upwardly from the base, and a top disposed opposite the base, the body including a first side and a second side; a recreational vehicle (RV) connection mechanism disposed on the first side of the body and comprising a power receptacle and a first circuit interrupter, the RV connection mechanism being structured to be coupled to a power source and provide power to at least an RV; and an electric vehicle (EV) connection mechanism disposed on the second side of the body and comprising at least a frame, an EV connector, an EV cable, and an EV charger that is disposed within the frame and includes at least a controller and a second circuit interrupter, the EV charger being structured to charge an EV based on a signal from the controller.

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.