HYBRID CIRCUIT BREAKER WITH SOLID STATE DEVICES

    公开(公告)号:US20230368990A1

    公开(公告)日:2023-11-16

    申请号:US17745421

    申请日:2022-05-16

    CPC classification number: H01H33/04 H01H50/16 H03K17/56

    Abstract: This disclosure describes a hybrid circuit breaker for an industrial automation system. The hybrid circuit breaker may include a mechanical switch and solid-state switches. The hybrid circuit breaker may receive control signals to open and close a current path based on moving a spanner of the mechanical switch. In some cases, moving the spanner of the mechanical switch may generate electrical arcs when the hybrid circuit breaker is conducting electrical current. In such cases, the hybrid circuit breaker may remove the electrical arcs by drawing the electrical arcs to a conductive bar and away from the spanner. Moreover, the hybrid circuit breaker may dissipate the electrical arcs on the conductive bar by opening one or multiple solid-state switches disposed on the conductive bar. In some cases, one or multiple voltage suppressors may receive (e.g., suppress or ground) an electrical power of the electrical arcs when the solid-state switches are opened.

    SYSTEMS AND METHODS FOR CONTROLLING A POSITION OF CONTACTS IN A RELAY DEVICE

    公开(公告)号:US20230029786A1

    公开(公告)日:2023-02-02

    申请号:US17884330

    申请日:2022-08-09

    Abstract: A system may include a relay device. The relay device may include an armature that moves between a first position that electrically couples a first contact to a second contact and a second position that electrically uncouples the first contact from the second contact. The relay device may also include a relay coil that receives a voltage configured to magnetize a relay coil, thereby causing the armature to move from the first position to the second position. The system also includes a control system that receives an indication that the armature is in the second position and sends a signal to an actuator in response to receiving the indication. The signal causes an arm associated with the actuator to move the armature to achieve a gap distance between the first contact and the second contact.

    SYSTEMS AND METHODS FOR MINIMIZING ENERGY AVAILABLE TO CONTACTS DURING A FAULT

    公开(公告)号:US20210098207A1

    公开(公告)日:2021-04-01

    申请号:US16588161

    申请日:2019-09-30

    Abstract: A system may include a relay device that includes armatures associated with phases of voltage signals. The system may also include relay coils, such that each relay coil may receive a respective voltage that magnetizes a respective relay coil, thereby causing the respective armature to move from a respective first position to a respective second position. The system may also include a control system that receive an indication that a fault condition is present, identify a first phase of the phases of voltage signals that is expected to be the next phase of the phases to cross zero, and send a signal to the relay device in response to identifying the first phase. The signal is configured to cause a first relay coil of the relay coils to energize or deenergize.

    DETECTING WELDED RELAY CONTACTS USING CONTACT CLOSE TIME MEASUREMENT

    公开(公告)号:US20240426914A1

    公开(公告)日:2024-12-26

    申请号:US18338940

    申请日:2023-06-21

    Abstract: A system includes a relay system and a controller. The relay system includes a plurality of relays. The controller is configured to transmit a close signal to a first relay and a second relay of the plurality of relays. The close signal is configured to close the first contact and the second contact of each of the first relay and the second relay. The controller is also configured to measure a first close time between the transmission of the close signal to the first relay and a time when the first relay closes, and to measure a second close time between the transmission of the close signal to the second relay and a time when the second relay closes. The controller is further configured to determine whether an electrical weld exists in the first relay or the second relay, based on the first and second close times.

    HYBRID CIRCUIT BREAKER WITH SOLID-STATE DEVICES

    公开(公告)号:US20240063629A1

    公开(公告)日:2024-02-22

    申请号:US17889199

    申请日:2022-08-16

    CPC classification number: H02H3/20

    Abstract: This disclosure describes a hybrid circuit breaker for an industrial automation system including a mechanical switch and solid-state switching circuit. The hybrid circuit breaker may receive control signals to open and close a current path based on moving a spanner of the mechanical switch. In some cases, moving the spanner of the mechanical switch may generate electrical arcs when the hybrid circuit breaker is conducting electrical current. In such cases, the hybrid circuit breaker may remove the electrical arcs based on operations of the solid-state switching circuit. The solid-state switching circuit may draw arc currents of the electrical arcs by providing a second current path between the spanner and a fixed conductor of the mechanical switch. Moreover, the solid-state switching circuit may open the second current path and absorb electrical power of the electrical arc by one or more solid-state switches, a parallel voltage suppressor, or both.

    SYSTEMS AND METHODS FOR MODIFYING SOLID-STATE BREAKER OPERATIONS BASED ON LOAD PROFILES

    公开(公告)号:US20240047161A1

    公开(公告)日:2024-02-08

    申请号:US17877218

    申请日:2022-07-29

    CPC classification number: H01H71/125 H01H83/20 H01H2071/006

    Abstract: A method includes receiving a first set of operational parameters that correspond to one or more semiconductor devices of a solid-state circuit breaker and sending a first command to the solid-state circuit breaker to turn off the one or more semiconductors in response to the first set of operational parameters exceeding a first set of thresholds. The method includes sending a second command to the solid-state circuit breaker to turn on the one or more semiconductors in response to the first set of operational parameters being equal to or less than the first set of thresholds. The method includes receiving a second set of operational parameters that correspond to one or more electrical properties associated with an operation of the solid-state circuit breaker coupled to a load device and generating a baseline profile representative of the first set of operational parameters and the second operational parameters.

Patent Agency Ranking