# US 2026/0100583 A1 · Systems and methods for high voltage direct current bus coupling > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2026/0100583 A1 - Document ID: US20260100583A1 - Status: Published application - Kind: A1 - Application number: 18/910,420 - Filed: 2024-10-09 - Published: 2026-04-09 - Earliest claimed: 2024-10-09 - Assignees: Caterpillar Inc. - Applicants: Caterpillar Inc. - Inventors: Prajod Krishnan Kutty; Chethan Ramakrishnaiah; Gregory Scott Hasler; Sampathkumar Nachimuthu; Firoz Ahamed - Web page: https://patentgrep.com/patent/US20260100583A1 ## CPC - H02J 1/086: {for providing alternative feeding paths between load or loads and source or sources when the main path fails} - G05B 23/0221: {Preprocessing measurements, e.g. data collection rate adjustment; Standardization of measurements; Time series or signal analysis, e.g. frequency analysis or wavelets; Trustworthiness of measurements; Indexes therefor; Measurements using easily measured parameters to estimate parameters difficult to measure; Virtual sensor creation; De-noising; Sensor fusion; Unconventional preprocessing inherently present in specific fault detection methods like PCA-based methods} - H02J 1/10: Parallel operation of DC sources - H02J 3/0012: characterised by the contingency detection means in AC networks, e.g. using phasor measurement units [PMU], synchrophasors or contingency analysis - H02J 3/14: by switching loads on to, or off from, the networks, e.g. progressively balanced loading - H02J 3/32: using batteries or super capacitors with converting means - H02J 3/36: Arrangements for transfer of electric power between AC networks via high-voltage DC [HVDC] links; Arrangements for transfer of electric power between generators and networks via HVDC links - H02J 13/12: Monitoring network conditions, e.g. electrical magnitudes or operational status - H02J 3/381: {Dispersed generators} - H02J 2101/22: Solar energy - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables G05D; systems for regulating electric or magnetic variables G05F; control devices or systems insofar as characterised by mechanical features only G05G) ## Abstract At least one aspect of the present disclosure is directed to a high voltage direct current (HVDC) bus coupler system. The HVDC bus coupler system can include a monitoring unit to detect fault events. The HVDC bus coupler system can include a controller. The controller can include one or more processors to receive a signal indicating an event associated with at least one of a plurality of energy containers in a first configuration. The one or more processors can identify a first energy container corresponding to the event The one or more processors can determine a second configuration of the plurality of energy containers. The one or more processors can modify a configuration of the plurality of energy containers, from the first configuration to the second configuration. ## Claims ### Claim 1 A high voltage direct current (HVDC) bus coupler system, comprising: a monitoring unit to detect fault events; and a controller comprising one or more processors configured to: receive a signal indicating an event associated with at least one of a plurality of energy containers in a first configuration; identify a first energy container corresponding to the event; determine a second configuration of the plurality of energy containers; and modify a configuration of the plurality of energy containers, from the first configuration to the second configuration. ### Claim 2 (depends on 1) The HVDC bus coupler system of claim 1, wherein the controller is configured to transmit, to a main control system, a second signal to cause the main control system to identify personnel to report to the first energy container, the second signal indicating the event. ### Claim 3 (depends on 1) The HVDC bus coupler system of claim 1, wherein the controller is configured to: monitor one or more control parameters of each energy container of the plurality of energy containers; and provide to a user interface of a computing device, data including the one or more control parameters of each energy container. ### Claim 4 (depends on 1) The HVDC bus coupler system of claim 1, wherein the controller is configured to: receive a second signal indicating a second event associated with at least one of the plurality of energy containers in the second configuration; identify a second energy container corresponding to the second event; determine a third configuration of the plurality of energy containers; and modify the configuration of the plurality of energy containers, from the second configuration to the third configuration. ### Claim 5 (depends on 4) The HVDC bus coupler system of claim 4, wherein the first configuration of the plurality of energy containers differs from the second configuration of the plurality of energy containers, wherein the second configuration of the plurality of energy containers differs from a third configuration of the plurality of energy containers. ### Claim 6 (depends on 4) The HVDC bus coupler system of claim 4, wherein the controller is configured to: determine whether the first energy container associates with the event; and responsive to the first energy controller not associating with the event, modify the third configuration to include the first energy container. ### Claim 7 (depends on 1) The HVDC bus coupler system of claim 1, wherein, when modifying the configuration, the controller is configured to adjust one or more contactors within an HVDC group to isolate the first energy container. ### Claim 8 (depends on 1) The HVDC bus coupler system of claim 1, wherein the controller is configured to: determine that the fault event causes a site to operate below a threshold; and calculate a rate to adjust one or more control parameters of each energy container at the site to operate above the threshold. ### Claim 9 (depends on 1) The HVDC bus coupler system of claim 1, wherein, when receiving the signal further comprising: detect, via one or more sensors, at least one of a voltage spike or a current drop at the first energy container of the plurality of energy containers; and generate the signal in accordance with the voltage spike or the current drop. ### Claim 10 (depends on 1) The HVDC bus coupler system of claim 1, wherein each energy container of the plurality of energy containers are selectively connected in series and in parallel, and wherein the configuration is modified by selectively connecting the energy containers in one or more series-parallel connections. ### Claim 11 (depends on 1) The HVDC bus coupler system of claim 1, wherein the second configuration excludes the first energy container from a set of energy containers which supply energy to the HVDC bus ### Claim 12 (depends on 1) The HVDC bus coupler system of claim 1, wherein the fault event includes at least one of a short circuit event, a thermal event, and an earth fault event. ### Claim 13 A controller for a high voltage direct current (HVDC) bus coupler system, comprising one or more processors configured to: receive a signal indicating an event associated with at least one of a plurality of energy containers in a first configuration; identify a first energy container corresponding to the event; determine a second configuration of the plurality of energy containers; and modify a configuration of the plurality of energy containers, from the first configuration to the second configuration. ### Claim 14 (depends on 13) The controller of claim 13, wherein the one or more processors are configured to: transmit, to a main control system, a second signal to cause the main control system to identify personnel to report to the first energy container, the second signal indicating the event. ### Claim 15 (depends on 13) The controller of claim 13, wherein the one or more processors are configured to: monitor one or more control parameters of each energy container of the plurality of energy containers; and provide to a user interface of a computing device, data including the one or more control parameters. ### Claim 16 (depends on 13) The controller of claim 13, wherein the one or more processors are configured to: receive a second signal indicating a second event associated with at least one of a plurality of energy containers in the second configuration; identify a second energy container corresponding to the second event; determine a third configuration of the plurality of energy containers; and modify a configuration of the plurality of energy containers, from the second configuration to the third configuration. ### Claim 17 (depends on 13) The controller of claim 13, wherein the first configuration of the plurality of energy containers differs from the second configuration of the plurality of energy containers, wherein the second configuration of the plurality of energy containers differs from the third configuration of the plurality of energy containers. ### Claim 18 (depends on 16) The controller of claim 16, wherein the one or more processors are configured to: determine that the first energy container satisfies a threshold to operate within an electrical grid; and responsive to the first energy controller satisfying the threshold, modify the third configuration to include the first energy container. ### Claim 19 (depends on 13) The controller of claim 13, wherein, when modifying the configuration, the one or more processors are configured to adjust one or more circuits connecting the plurality of energy containers, to isolate the first energy container. ### Claim 20 A method for high voltage direct current (HVDC) bus coupling, comprising: receiving, by a controller, a signal indicating an event associated with at least one of a plurality of energy containers in a first configuration; identifying, by the controller, a first energy container corresponding to the event; determining, by the controller, a second configuration of the plurality of energy containers; and modifying, by the controller, a configuration of the plurality of energy containers, from the first configuration to the second configuration.