{
  "standard": "Fenexity Technical Language",
  "abbreviation": "FTL",
  "version": "0.1.0",
  "generatedAt": "2026-08-08",
  "schema": "https://semantics.fenexity.com/schemas/terminology.schema.json",
  "terms": [
    {
      "id": "active-power",
      "term": {
        "en": "Active power",
        "de": "Wirkleistung"
      },
      "definition": "The real power transferred to or from a system, measured in watts (W) or multiples such as kW and MW.",
      "distinguish_from": [
        "reactive-power",
        "apparent-power",
        "power"
      ],
      "contexts": [
        "electrical",
        "grid"
      ],
      "avoid": [
        "real power"
      ],
      "notes": [
        "Active power is an electrical quantity; it is not the same as energy."
      ],
      "sources": [
        {
          "name": "IEC 60050",
          "section": "International Electrotechnical Vocabulary"
        }
      ],
      "status": "normative"
    },
    {
      "id": "alarm",
      "term": {
        "en": "Alarm",
        "de": "Alarm"
      },
      "definition": "A condition detected by the system that requires operator attention or a defined response because it may affect safety, availability, or equipment integrity.",
      "distinguish_from": [
        "event",
        "notification",
        "fault",
        "warning"
      ],
      "contexts": [
        "operations",
        "monitoring"
      ],
      "notes": [
        "Not every change of state is an alarm.",
        "An alarm implies an expected operator response; an event does not."
      ],
      "sources": [
        {
          "name": "Fenexity"
        }
      ],
      "status": "informative"
    },
    {
      "id": "charge-capacity",
      "term": {
        "en": "Charge capacity",
        "de": "Ladekapazität"
      },
      "definition": "The amount of electric charge that a battery can store or deliver, measured in ampere-hours (Ah).",
      "distinguish_from": [
        "energy-capacity",
        "state-of-charge"
      ],
      "contexts": [
        "battery"
      ],
      "aliases": [
        "C-rate reference capacity"
      ],
      "sources": [
        {
          "name": "Fenexity"
        },
        {
          "name": "IEC 62620",
          "version": "2014",
          "section": "Secondary cells and batteries containing alkaline or other non-acid electrolytes"
        }
      ],
      "status": "normative"
    },
    {
      "id": "charging-session",
      "term": {
        "en": "Charging session",
        "de": "Ladevorgang"
      },
      "definition": "The period during which a vehicle is connected to an EVSE and energy is delivered or a charging transaction is active.",
      "distinguish_from": [
        "charging-plan",
        "transaction"
      ],
      "contexts": [
        "charging"
      ],
      "notes": [
        "In OCPP the equivalent concept is a transaction."
      ],
      "sources": [
        {
          "name": "OCPP",
          "version": "2.0.1"
        },
        {
          "name": "Fenexity"
        }
      ],
      "status": "normative"
    },
    {
      "id": "charging-station",
      "term": {
        "en": "Charging station",
        "de": "Ladestation"
      },
      "abbreviation": "CS",
      "definition": "A physical facility or device that provides electric power to one or more vehicles for charging and that contains one or more EVSEs.",
      "distinguish_from": [
        "evse",
        "connector",
        "charging-point"
      ],
      "contexts": [
        "charging"
      ],
      "avoid": [
        "charger",
        "charge point",
        "charging point"
      ],
      "notes": [
        "A charging station can contain multiple EVSEs.",
        "A charger is a different concept; do not use it as a synonym for charging station."
      ],
      "sources": [
        {
          "name": "OCPP",
          "version": "2.0.1"
        },
        {
          "name": "IEC 61851",
          "section": "Electric vehicle conductive charging system"
        }
      ],
      "status": "normative"
    },
    {
      "id": "configuration",
      "term": {
        "en": "Configuration",
        "de": "Konfiguration"
      },
      "definition": "The set of parameters and options that determine how a system behaves.",
      "distinguish_from": [
        "confirmation"
      ],
      "contexts": [
        "software",
        "operations"
      ],
      "avoid": [
        "config [in formal documentation]"
      ],
      "notes": [
        "In VDV material, conf can mean confirmation. Do not use the ambiguous abbreviation conf in FTL documentation."
      ],
      "sources": [
        {
          "name": "Fenexity"
        },
        {
          "name": "VDV"
        }
      ],
      "status": "normative"
    },
    {
      "id": "connector",
      "term": {
        "en": "Connector",
        "de": "Stecker"
      },
      "definition": "The physical interface of an EVSE through which electric power and signals are delivered to a vehicle, for example a Type 2 or CCS connector.",
      "distinguish_from": [
        "evse",
        "charging-station",
        "plug"
      ],
      "contexts": [
        "charging"
      ],
      "avoid": [
        "socket"
      ],
      "notes": [
        "The connector is not the EVSE and not the charging station."
      ],
      "sources": [
        {
          "name": "OCPP",
          "version": "2.0.1"
        },
        {
          "name": "IEC 62196",
          "section": "Plugs, socket-outlets, vehicle connectors and vehicle inlets"
        }
      ],
      "status": "normative"
    },
    {
      "id": "coulombic-efficiency",
      "term": {
        "en": "Coulombic efficiency",
        "de": "Ladungswirkungsgrad"
      },
      "definition": "The ratio of charge delivered during discharge to charge accepted during charge over a full cycle, expressed as a percentage.",
      "distinguish_from": [
        "energy-efficiency"
      ],
      "contexts": [
        "battery"
      ],
      "sources": [
        {
          "name": "Fenexity"
        }
      ],
      "status": "normative"
    },
    {
      "id": "electric-charge",
      "term": {
        "en": "Electric charge",
        "de": "elektrische Ladung"
      },
      "definition": "A property of matter expressed in coulombs (C) or ampere-hours (Ah); the time integral of electric current.",
      "distinguish_from": [
        "energy",
        "charge-capacity"
      ],
      "contexts": [
        "battery",
        "electrical"
      ],
      "abbreviation": "Q",
      "sources": [
        {
          "name": "IEC 60050",
          "section": "International Electrotechnical Vocabulary"
        }
      ],
      "status": "normative"
    },
    {
      "id": "energy",
      "term": {
        "en": "Energy",
        "de": "Energie"
      },
      "definition": "The capacity to do work, measured in watt-hours (Wh) or multiples such as kWh and MWh.",
      "distinguish_from": [
        "active-power",
        "electric-charge",
        "charge-capacity"
      ],
      "contexts": [
        "electrical",
        "battery",
        "grid"
      ],
      "notes": [
        "Energy is power integrated over time."
      ],
      "sources": [
        {
          "name": "IEC 60050",
          "section": "International Electrotechnical Vocabulary"
        }
      ],
      "status": "normative"
    },
    {
      "id": "energy-capacity",
      "term": {
        "en": "Energy capacity",
        "de": "Energiekapazität"
      },
      "definition": "The amount of energy that a battery can store or deliver, measured in watt-hours (Wh).",
      "distinguish_from": [
        "charge-capacity",
        "state-of-charge"
      ],
      "contexts": [
        "battery"
      ],
      "sources": [
        {
          "name": "Fenexity"
        }
      ],
      "status": "normative"
    },
    {
      "id": "energy-efficiency",
      "term": {
        "en": "Energy efficiency",
        "de": "Energieeffizienz"
      },
      "definition": "The ratio of useful energy output to energy input over a defined cycle or period, expressed as a percentage.",
      "distinguish_from": [
        "coulombic-efficiency",
        "round-trip-efficiency"
      ],
      "contexts": [
        "battery",
        "electrical"
      ],
      "sources": [
        {
          "name": "Fenexity"
        }
      ],
      "status": "normative"
    },
    {
      "id": "event",
      "term": {
        "en": "Event",
        "de": "Ereignis"
      },
      "definition": "A change of state or occurrence detected by the system that is recorded for monitoring or analysis.",
      "distinguish_from": [
        "alarm",
        "notification"
      ],
      "contexts": [
        "operations",
        "software",
        "monitoring"
      ],
      "notes": [
        "An event does not necessarily require operator attention or a defined response."
      ],
      "sources": [
        {
          "name": "Fenexity"
        }
      ],
      "status": "informative"
    },
    {
      "id": "evse",
      "term": {
        "en": "EVSE",
        "de": "Ladeeinrichtung"
      },
      "definition": "Electric Vehicle Supply Equipment: equipment that provides electric power to an electric vehicle for charging and that can communicate with the vehicle.",
      "distinguish_from": [
        "charging-station",
        "connector"
      ],
      "contexts": [
        "charging"
      ],
      "avoid": [
        "charger",
        "charging station"
      ],
      "notes": [
        "An EVSE can expose one or more connectors depending on the applicable model.",
        "A charging station is a facility or device that contains one or more EVSEs."
      ],
      "sources": [
        {
          "name": "OCPP",
          "version": "2.0.1"
        },
        {
          "name": "IEC 61851",
          "section": "Electric vehicle conductive charging system"
        }
      ],
      "status": "normative"
    },
    {
      "id": "notification",
      "term": {
        "en": "Notification",
        "de": "Meldung"
      },
      "definition": "A message that informs a human or a system about an event or condition without necessarily requiring a defined operational response.",
      "distinguish_from": [
        "alarm",
        "event"
      ],
      "contexts": [
        "operations",
        "software"
      ],
      "notes": [
        "A notification informs; an alarm requires a defined response."
      ],
      "sources": [
        {
          "name": "Fenexity"
        }
      ],
      "status": "informative"
    },
    {
      "id": "repository",
      "term": {
        "en": "Repository",
        "de": "Repository"
      },
      "definition": "A version-controlled collection of source code, configuration, and documentation for one project.",
      "distinguish_from": [
        "workspace",
        "module"
      ],
      "contexts": [
        "software"
      ],
      "avoid": [
        "repo [in formal documentation]"
      ],
      "notes": [
        "Use repository in formal FTL documentation; repo is an acceptable casual abbreviation."
      ],
      "sources": [
        {
          "name": "Fenexity"
        }
      ],
      "status": "normative"
    },
    {
      "id": "state-of-charge",
      "term": {
        "en": "State of Charge",
        "de": "Ladezustand"
      },
      "abbreviation": "SoC",
      "definition": "An estimate of the remaining charge in a battery relative to its nominal or rated capacity, expressed as a percentage.",
      "distinguish_from": [
        "stored-energy",
        "state-of-health",
        "charge-capacity"
      ],
      "contexts": [
        "battery",
        "charging"
      ],
      "notes": [
        "SoC is an estimated battery state, not a directly measured physical quantity."
      ],
      "sources": [
        {
          "name": "Fenexity"
        }
      ],
      "status": "normative"
    },
    {
      "id": "state-of-health",
      "term": {
        "en": "State of Health",
        "de": "Gesundheitszustand"
      },
      "abbreviation": "SoH",
      "definition": "A measure of the condition of a battery relative to its rated condition when new, used to estimate remaining capacity or aging.",
      "distinguish_from": [
        "state-of-charge"
      ],
      "contexts": [
        "battery"
      ],
      "notes": [
        "SoH is an estimate derived from measurements and models, not a single directly measured physical quantity."
      ],
      "sources": [
        {
          "name": "Fenexity"
        }
      ],
      "status": "normative"
    }
  ]
}