# US 11,309,711 B2 · Integrated electrical panel > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,309,711 B2 - Document ID: US11309711B2 - Status: Granted - Kind: B2 - Application number: 16/789,324 - Filed: 2020-02-12 - Published: 2020-08-13 - Granted: 2022-04-19 - Earliest claimed: 2019-02-12 - Assignees: Span.IO, Inc. - Applicants: Span.IO, Inc. - Inventors: Archan Padmanabhan Rao; Chadwick Conway; Jack Jester Weinstein; Ian Dimen - Web page: https://patentgrep.com/patent/US11309711B2 ## CPC - H02J 3/381: {Dispersed generators} - B60L 53/60: Monitoring or controlling charging stations - H02J 7/0068 - H02J 13/00002 - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES ## Abstract The system includes one or more busbars couple to an AC line, branch relays each coupled to a busbar and to a respective circuit breaker, and current sensors each corresponding to at least one respective branch relay of the plurality of branch relays. The system also includes a deadfront arranged in front of the plurality of branch relays, and including openings corresponding to the branch relays allowing an electrical terminal of each branch relay to protrude forward through a respective opening. A circuit breaker is engaged with each respective branch relay, on the deadfront to create an array of branch circuit breakers. The combination of relay and circuit breaker allows each branch circuit to be controllable. The relays may include current sensors, such as a shunt, used to determine a branch circuit current and control the relay. Control circuitry manages the relay on-off operation and monitors branch circuit operation. ## Claims ### Claim 1 A system comprising: at least one busbar configured to be coupled to at least one AC line; a plurality of branch relays each comprising a first terminal coupled to the at least one busbar and a second terminal configured to be coupled to a respective circuit breaker; a plurality of current sensors each corresponding to at least one respective branch relay of the plurality of branch relays; and a deadfront arranged in front of the plurality of branch relays, the deadfront comprising: a plurality of openings corresponding to the plurality of branch relays allowing an electrical terminal of each branch relay of the plurality of branch relays to protrude forward through a respective opening. ### Claim 2 (depends on 1) The system of claim 1, further comprising control circuitry coupled to at least one branch relay of the plurality of branch relays, and wherein the control circuitry comprises communications equipment to communicate with a network or a mobile device. ### Claim 3 (depends on 2) The system of claim 2, wherein the communications equipment is to transmit energy information. ### Claim 4 (depends on 1) The system of claim 1, further comprising an electrical vehicle charging station coupled to a first circuit breaker of the respective circuit breakers. ### Claim 5 (depends on 1) The system of claim 1, further comprising: control circuitry coupled to at least one branch relay of the plurality of branch relays; and a touchscreen coupled to the control circuitry, the touchscreen configured to provide a display and receive haptic input. ### Claim 6 (depends on 1) The system of claim 1, further comprising: control circuitry coupled to at least one branch relay of the plurality of branch relays; and a main disconnect coupled to the control circuitry, wherein the control circuitry is configured to control the main disconnect. ### Claim 7 (depends on 1) The system of claim 1, further comprising control circuitry coupled to at least one branch relay of the plurality of branch relays, wherein at least one circuit breaker is configured to be coupled to an electric load, and wherein the control circuitry is further configured to determine energy information about the electric load. ### Claim 8 A system comprising: at least one busbar configured to be coupled to at least one AC line; a plurality of branch relays each comprising a first terminal coupled to the at least one busbar and a second terminal configured to be coupled to a respective circuit breaker; and a plurality of current sensors each corresponding to at least one respective branch relay of the plurality of branch relay, wherein the plurality of current sensors comprises: at least one shunt integrated with a branch relay of the plurality of branch relays, wherein the at least one shunt is configured to exhibit a voltage drop when a current flows through the at least one shunt; and at least one sensor wire coupled to the at least one shunt and configured to transmit a sensor signal to control circuitry indicative of the current. ### Claim 9 (depends on 8) The system of claim 8, further comprising communications equipment coupled to at least one branch relay of the plurality of branch relays to communicate with a network or a mobile device and to transmit energy information. ### Claim 10 (depends on 8) The system of claim 8, further comprising an electrical vehicle charging station coupled to a circuit breaker of the respective circuit breakers. ### Claim 11 (depends on 8) The system of claim 8, further comprising: control circuitry coupled to at least one branch relay of the plurality of branch relays; and a touchscreen coupled to the control circuitry, the touchscreen configured to provide a display and receive haptic input. ### Claim 12 (depends on 8) The system of claim 8, further comprising: control circuitry coupled to at least one branch relay of the plurality of branch relays; and a main disconnect coupled to the control circuitry, wherein the control circuitry is configured to control the main disconnect. ### Claim 13 (depends on 8) The system of claim 8, further comprising control circuitry coupled to at least one branch relay of the plurality of branch relays, wherein at least one circuit breaker is configured to be coupled to an electric load, and wherein the control circuitry is further configured to determine energy information about the electric load. ### Claim 14 A system comprising: at least one busbar configured to be coupled to at least one AC line; a plurality of branch relays each comprising a first terminal coupled to the at least one busbar and a second terminal configured to be coupled to a respective circuit breaker; a plurality of current sensors each corresponding to at least one respective branch relay of the plurality of branch relay; and an autotransformer comprising: at least one primary lead and a neutral, and at least one secondary lead; at least one autotransformer line relay coupling the at least one secondary lead to the at least one busbar and configured to be closed during islanding and open when the at least one busbar is grid-connected; and at least one autotransformer neutral relay coupling the neutral to a neutral bar and configured to be closed during islanding and open when the neutral bar is grid-connected. ### Claim 15 (depends on 14) The system of claim 14, further comprising communications equipment coupled to at least one branch relay of the plurality of branch relays to communicate with a network or a mobile device and to transmit energy information. ### Claim 16 (depends on 14) The system of claim 14, further comprising an electrical vehicle charging station coupled to a circuit breaker of the respective circuit breakers. ### Claim 17 (depends on 14) The system of claim 14, further comprising: control circuitry coupled to at least one branch relay of the plurality of branch relays; and a touchscreen coupled to the control circuitry, the touchscreen configured to provide a display and receive haptic input. ### Claim 18 (depends on 14) The system of claim 14, further comprising: control circuitry coupled to at least one branch relay of the plurality of branch relays; and a main disconnect coupled to the control circuitry, wherein the control circuitry is configured to control the main disconnect. ### Claim 19 (depends on 14) The system of claim 14, further comprising control circuitry coupled to at least one branch relay of the plurality of branch relays, wherein at least one circuit breaker is configured to be coupled to an electric load, and wherein the control circuitry is further configured to determine energy information about the electric load. ### Claim 20 A system comprising: at least one busbar configured to be coupled to at least one AC line; a plurality of branch relays each comprising a first terminal coupled to the at least one busbar and a second terminal configured to be coupled to a respective circuit breaker; a plurality of current sensors each corresponding to at least one respective branch relay of the plurality of branch relays; a main switch configured to be coupled to the at least one AC line and to the at least one busbar; and a main relay arranged in-line with the main switch. ### Claim 21 (depends on 20) The system of claim 20, further comprising communications equipment coupled to at least one branch relay of the plurality of branch relays to communicate with a network or a mobile device and to transmit energy information. ### Claim 22 (depends on 20) The system of claim 20, further comprising an electrical vehicle charging station coupled to a circuit breaker of the respective circuit breakers. ### Claim 23 (depends on 20) The system of claim 20, further comprising: control circuitry coupled to at least one branch relay of the plurality of branch relays; and a touchscreen coupled to the control circuitry, the touchscreen configured to provide a display and receive haptic input. ### Claim 24 (depends on 20) The system of claim 20, further comprising: control circuitry coupled to at least one branch relay of the plurality of branch relays; and a main disconnect coupled to the control circuitry, wherein the control circuitry is configured to control the main disconnect. ### Claim 25 (depends on 20) The system of claim 20, further comprising control circuitry coupled to at least one branch relay of the plurality of branch relays, wherein at least one circuit breaker is configured to be coupled to an electric load, and wherein the control circuitry is further configured to determine energy information about the electric load. ### Claim 26 A system comprising: at least one busbar configured to be coupled to at least one AC line; a plurality of branch relays each comprising a first terminal coupled to the at least one busbar and a second terminal configured to be coupled to a respective circuit breaker; a plurality of current sensors each corresponding to at least one respective branch relay of the plurality of branch relay; and control circuitry coupled to at least one main relay, the plurality of branch relays, and the plurality of current sensors, wherein the control circuitry is configured to: control an on-off state of the at least one main relay; control an on-off state of the plurality of branch relays; and determine a current corresponding to each branch relay based at least in part on the plurality of current sensors. ### Claim 27 (depends on 26) The system of claim 26, wherein the control circuitry comprises communications equipment to communicate with a network or a mobile device and to transmit energy information. ### Claim 28 (depends on 26) The system of claim 26, further comprising an electrical vehicle charging station coupled to a circuit breaker of the respective circuit breakers. ### Claim 29 (depends on 26) The system of claim 26, further comprising a touchscreen coupled to the control circuitry, the touchscreen configured to provide a display and receive haptic input. ### Claim 30 (depends on 26) The system of claim 26, further comprising a main disconnect coupled to the control circuitry, wherein the control circuitry is configured to control the main disconnect. ### Claim 31 (depends on 26) The system of claim 26, wherein at least one circuit breaker is configured to be coupled to an electric load, and wherein the control circuitry is further configured to determine energy information about the electric load. ### Claim 32 A system comprising: at least one busbar configured to be coupled to at least one AC line; a plurality of branch relays each comprising a first terminal coupled to the at least one busbar and a second terminal configured to be coupled to a respective circuit breaker; a plurality of current sensors each corresponding to at least one respective branch relay of the plurality of branch relays; and control circuitry, wherein each branch relay of the plurality of branch relays is coupled to a respective circuit, and wherein the control circuitry is further configured to monitor usage of each respective circuit. ### Claim 33 (depends on 32) The system of claim 32, wherein the control circuitry comprises communications equipment to communicate with a network or a mobile device and to transmit energy information. ### Claim 34 (depends on 32) The system of claim 32, further comprising an electrical vehicle charging station coupled to a circuit breaker of the respective circuit breakers. ### Claim 35 (depends on 32) The system of claim 32, further comprising a touchscreen coupled to the control circuitry, the touchscreen configured to provide a display and receive haptic input. ### Claim 36 (depends on 32) The system of claim 32, further comprising a main disconnect coupled to the control circuitry, wherein the control circuitry is configured to control the main disconnect. ### Claim 37 (depends on 32) The system of claim 32, wherein at least one circuit breaker is configured to be coupled to an electric load, and wherein the control circuitry is further configured to determine energy information about the electric load. ### Claim 38 A system comprising: at least one busbar configured to be coupled to at least one AC line; a plurality of branch relays each comprising a first terminal coupled to the at least one busbar and a second terminal configured to be coupled to a respective circuit breaker; a plurality of current sensors each corresponding to at least one respective branch relay of the plurality of branch relays; and an AC-DC converter coupled to the at least one busbar, wherein the AC-DC converter is configured to manage a DC bus. ### Claim 39 (depends on 38) The system of claim 38, further comprising a DC-DC converter configured to manage a second DC bus. ### Claim 40 (depends on 38) The system of claim 38, wherein the DC bus is configured to be coupled to a solar PV system. ### Claim 41 (depends on 38) The system of claim 38, wherein the DC bus is configured to be coupled to an energy storage device. ### Claim 42 (depends on 38) The system of claim 38, further comprising communications equipment coupled to at least one branch relay of the plurality of branch relays to communicate with a network or a mobile device and to transmit energy information. ### Claim 43 (depends on 38) The system of claim 38, further comprising an electrical vehicle charging station coupled to a circuit breaker of the respective circuit breakers. ### Claim 44 (depends on 38) The system of claim 38, further comprising: control circuitry coupled to at least one branch relay of the plurality of branch relays; and a touchscreen coupled to the control circuitry, the touchscreen configured to provide a display and receive haptic input. ### Claim 45 (depends on 38) The system of claim 38, further comprising: control circuitry coupled to at least one branch relay of the plurality of branch relays; and a main disconnect coupled to the control circuitry, wherein the control circuitry is configured to control the main disconnect. ### Claim 46 (depends on 38) The system of claim 38, further comprising control circuitry coupled to at least one branch relay of the plurality of branch relays, wherein at least one circuit breaker is configured to be coupled to an electric load, and wherein the control circuitry is further configured to determine energy information about the electric load.