{
  "node": {
    "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"
      ]
    }
  },
  "edges": [
    {
      "id": "edge:4162",
      "source": "term:ocpp",
      "target": "topic:topic-infrastructure",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:4163",
      "source": "term:ocpp",
      "target": "term:depot-charging",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:4164",
      "source": "term:ocpp",
      "target": "term:iso-15118",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:4165",
      "source": "term:ocpp",
      "target": "term:energy-management-system",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:4166",
      "source": "term:ocpp",
      "target": "term:fleet-telematics",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:4167",
      "source": "term:ocpp",
      "target": "term:iec-63110",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:mentions/ocpp/evse",
      "source": "term:ocpp",
      "target": "term:evse",
      "type": "mentions",
      "properties": {
        "sourceFile": "terms.json",
        "method": "build_glossary.mention_index + mentions",
        "field": "definition",
        "meaning": "Text mention; not a causal claim"
      }
    }
  ],
  "neighbors": [
    {
      "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: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": "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:fleet-telematics",
      "type": "Term",
      "label": "Fleet telematics",
      "properties": {
        "id": "fleet-telematics",
        "name": "Fleet telematics",
        "section": "topic-applications",
        "definition": "The systems that collect battery state, consumption and fault data from each vehicle in a fleet and bring them to the depot and the operator. For an electric bus fleet they are what turns BMS data into charging plans and warranty cases.",
        "related": [
          "fms-interface",
          "vdv-301",
          "depot-charging",
          "state-of-health",
          "electric-bus",
          "data-logger"
        ],
        "url": "https://lemonergy.com/learn/glossary/fleet-telematics/",
        "mentions": [
          "bms"
        ]
      }
    },
    {
      "id": "term:iec-63110",
      "type": "Term",
      "label": "IEC 63110-1",
      "properties": {
        "id": "iec-63110",
        "name": "IEC 63110-1",
        "aka": [
          "IEC 63110"
        ],
        "section": "topic-standards-stationary",
        "definition": "The first part, published in 2022, of an IEC protocol series for managing electric-vehicle charging and discharging infrastructure: definitions, use cases and architecture for energy-transfer management, charger asset management, authentication and payment, and cybersecurity. Like OCPP, it governs the link between chargers and the systems that run them, and its scope includes discharging for vehicle-to-grid.",
        "related": [
          "ocpp",
          "vehicle-to-grid",
          "smart-charging",
          "evse",
          "iso-15118"
        ],
        "url": "https://lemonergy.com/learn/glossary/iec-63110/",
        "mentions": [
          "charger"
        ]
      }
    },
    {
      "id": "term:evse",
      "type": "Term",
      "label": "Electric vehicle supply equipment",
      "properties": {
        "id": "evse",
        "name": "Electric vehicle supply equipment",
        "abbr": "EVSE",
        "aka": [
          "charging station",
          "charge point",
          "wallbox"
        ],
        "section": "topic-infrastructure",
        "definition": "The charging equipment between the grid and the vehicle: an AC wallbox that only switches and protects the supply, or a DC charger that also converts it. It enforces the current limit, ground-fault protection and communication with the vehicle.",
        "related": [
          "charging-modes",
          "dc-fast-charging",
          "control-pilot",
          "ocpp",
          "evcc"
        ],
        "url": "https://lemonergy.com/learn/glossary/evse/",
        "mentions": [
          "charger"
        ]
      }
    }
  ]
}