{ "node": { "id": "term:smart-charging", "type": "Term", "label": "Smart charging", "properties": { "id": "smart-charging", "name": "Smart charging", "aka": [ "managed charging", "load management" ], "section": "topic-infrastructure", "definition": "Controlling when and how fast vehicles charge to fit grid capacity, electricity prices and departure times, rather than charging at full power on arrival. A depot of buses uses it to stay within its grid connection; homes use it to charge on cheap night tariffs.", "related": [ "depot-charging", "ocpp", "energy-management-system", "vehicle-to-grid", "iso-15118" ], "url": "https://lemonergy.com/learn/glossary/smart-charging/", "mentions": [] } }, "edges": [ { "id": "edge:63", "source": "term:smart-charging", "target": "workflow:home-schedule", "type": "usedIn", "properties": { "sourceFile": "wiki-blocks.json" } }, { "id": "edge:4481", "source": "term:smart-charging", "target": "topic:topic-infrastructure", "type": "belongsTo", "properties": { "sourceFile": "terms.json" } }, { "id": "edge:4482", "source": "term:smart-charging", "target": "term:depot-charging", "type": "relatedTo", "properties": { "sourceFile": "terms.json", "meaning": "Related context; not a causal claim" } }, { "id": "edge:4483", "source": "term:smart-charging", "target": "term:ocpp", "type": "relatedTo", "properties": { "sourceFile": "terms.json", "meaning": "Related context; not a causal claim" } }, { "id": "edge:4484", "source": "term:smart-charging", "target": "term:energy-management-system", "type": "relatedTo", "properties": { "sourceFile": "terms.json", "meaning": "Related context; not a causal claim" } }, { "id": "edge:4485", "source": "term:smart-charging", "target": "term:vehicle-to-grid", "type": "relatedTo", "properties": { "sourceFile": "terms.json", "meaning": "Related context; not a causal claim" } }, { "id": "edge:4486", "source": "term:smart-charging", "target": "term:iso-15118", "type": "relatedTo", "properties": { "sourceFile": "terms.json", "meaning": "Related context; not a causal claim" } }, { "id": "edge:4487", "source": "term:smart-charging", "target": "visual:derating", "type": "illustratedBy", "properties": { "sourceFile": "visual-pages.json" } } ], "neighbors": [ { "id": "workflow:home-schedule", "type": "Workflow", "label": "Compare charging policies", "properties": { "id": "home-schedule", "title": "Compare charging policies", "kind": "studio", "summary": "Compare authored schedules on the same hardware.", "steps": [ "Set connection, tariff, window and target.", "Compare policies on this network." ], "example": "Connect a vehicle for eight hours with a cheaper window from hour 1 to hour 7.", "observe": "Compare cost, peak power and departure shortfall.", "limits": "This is deterministic policy comparison, not a forecast or economic optimum.", "url": "https://design.lemonergy.com/cosim.html?example=charging-home", "label": "Open the Studio example", "evidence": [ "js/charging-control.js", "js/charging-scenarios.js", "docs/CHARGING_BLOCKS_SPEC.md" ] } }, { "id": "topic:topic-infrastructure", "type": "Topic", "label": "Charging infrastructure", "properties": { "id": "topic-infrastructure", "name": "Charging infrastructure", "lede": "Where and how vehicles are charged: charging strategies, power levels, connectors and the protocols between vehicle and charger.", "context": "Separate compatibility from requested average power.", "example": "A 100 kW model request does not establish real voltage, current, connector or negotiation compatibility.", "lesson_url": "https://lemonergy.com/learn/fundamentals/capacity-and-c-rate/", "lesson_label": "Open charging quantities" } }, { "id": "term:depot-charging", "type": "Term", "label": "Depot charging", "properties": { "id": "depot-charging", "name": "Depot charging", "aka": [ "overnight charging" ], "section": "topic-infrastructure", "definition": "Charging a fleet of buses or trucks at the depot, usually overnight at 50–150 kW per vehicle, which keeps cell stress low and lets an energy-management system sequence the chargers against the site’s grid connection.", "related": [ "electric-bus", "pantograph-charging", "energy-management-system", "vdv-261", "fast-charging", "smart-charging" ], "url": "https://lemonergy.com/learn/glossary/depot-charging/", "mentions": [] } }, { "id": "term:ocpp", "type": "Term", "label": "Open Charge Point Protocol", "properties": { "id": "ocpp", "name": "Open Charge Point Protocol", "abbr": "OCPP", "section": "topic-infrastructure", "definition": "The open protocol between a charging station and the back-office system that manages it: authorisation, start and stop, metering, smart-charging limits and remote updates. Depot charging of bus fleets is usually orchestrated through OCPP.", "related": [ "depot-charging", "iso-15118", "energy-management-system", "fleet-telematics", "iec-63110" ], "url": "https://lemonergy.com/learn/glossary/ocpp/", "mentions": [ "evse" ] } }, { "id": "term:energy-management-system", "type": "Term", "label": "Energy management system", "properties": { "id": "energy-management-system", "name": "Energy management system", "abbr": "EMS", "section": "topic-pack", "definition": "The site-level controller of a storage system that decides when to charge and discharge according to prices, grid signals and the battery’s limits, and dispatches those commands to the BMS and inverters.", "related": [ "bms", "inverter", "stationary-storage", "modbus", "energy-arbitrage" ], "url": "https://lemonergy.com/learn/glossary/energy-management-system/", "mentions": [] } }, { "id": "term:vehicle-to-grid", "type": "Term", "label": "Vehicle-to-grid", "properties": { "id": "vehicle-to-grid", "name": "Vehicle-to-grid", "abbr": "V2G", "aka": [ "V2L", "V2H", "bidirectional charging" ], "section": "topic-infrastructure", "definition": "Discharging a vehicle’s battery back into a house or the grid through a bidirectional charger, so parked cars act as storage. Vehicle-to-load and vehicle-to-home are the simpler forms that power appliances or a house directly.", "related": [ "electric-vehicle", "stationary-storage", "energy-arbitrage", "cycle-aging" ], "url": "https://lemonergy.com/learn/glossary/vehicle-to-grid/", "mentions": [ "charger" ] } }, { "id": "term:iso-15118", "type": "Term", "label": "ISO 15118", "properties": { "id": "iso-15118", "name": "ISO 15118", "aka": [ "Plug & Charge", "V2G communication" ], "section": "topic-infrastructure", "definition": "The communication standard between an electric vehicle and a charging station: identification, authorisation, charge scheduling and, in the −20 edition, bidirectional power transfer. It is what lets a car authenticate itself and start charging with no card or app.", "related": [ "dc-fast-charging", "vehicle-to-grid", "iso-17409", "can-bus", "evcc", "din-70121" ], "url": "https://lemonergy.com/learn/glossary/iso-15118/", "mentions": [ "electric-vehicle", "evse", "vehicle-to-everything" ] } }, { "id": "visual:derating", "type": "Visual", "label": "The limit sets the permitted current", "properties": { "title": "The limit sets the permitted current", "summary": "A requested current is clipped wherever an active limit is lower.", "readout": "Requested current: 8 A. At 50 °C the chosen limit permits 5 A.", "formula": "I_command = min(I_requested, I_limit)", "note": "Breakpoints are invented teaching values, not operating limits for a particular battery.", "software": { "status": "reference", "label": "Reference concept", "body": "A BMS can combine temperature, voltage and equipment limits. The selected breakpoints illustrate logic only; actual limits must be cell-specific.", "href": "https://lemonergy.com/wiki/charging-strategies/" }, "html": "
Illustrative temperature current limit
Illustrative temperature current limitTemperature (°C) versus Current (A). Limit; Permitted command. Interpretation follows the graphs.0-1037.5625942.51260Temperature (°C)Current (A)
LimitPermitted command (dashed)
" } } ] }