openapi: 3.1.1
info:
  title: EnergyResourceInverter
  version: 1.1.0
  description: |
    Typed attribute schema for grid-connected power-electronics inverter
    energy resources (type = INVERTER).
    v1.1: ratedApparentPowerKva → ratedApparentPower, maxReactivePowerKvar →
    maxReactivePower, minReactivePowerKvar → minReactivePower (all
    QuantitativeValue {value, unit}); inherits EnergyResourceCommon/v1.1.
    CIM: PowerElectronicsConnection (IEC 61970-302).

components:
  schemas:

    EnergyResourceInverter:
      description: >
        A grid-connected power-electronics inverter energy resource. Captures
        IEEE 1547-2018 ride-through categories, operating mode, and reactive /
        frequency-support capabilities.
        CIM: PowerElectronicsConnection (IEC 61970-302).
      x-tags: [energy-resource, inverter, energy, deg]
      x-jsonld:
        "@context": ./context.jsonld
        "@type": EnergyResourceInverter
      allOf:
        - $ref: "https://schema.nfh.global/EnergyResourceCommon/v1.1/attributes.yaml#/components/schemas/EnergyResourceCommon"
        - type: object
          required: [id, type]
          properties:
            type:
              type: string
              const: "INVERTER"
              description: >
                Asset-class discriminator. Must be "INVERTER".
                CIM: PowerElectronicsConnection (IEC 61970-302).
              x-jsonld:
                "@id": erDeg:resourceType
            attributes:
              $ref: "#/components/schemas/EnergyResourceInverterAttributes"

    EnergyResourceInverterAttributes:
      description: >
        Attributes for INVERTER resources. Common fields (make, model,
        ratedPower, maxExport, maxImport, telemetryProvider, commissioningDate,
        location) are inherited from EnergyResourceCommon/v1.1 via allOf.
      x-jsonld:
        "@id": erDeg:attributes
      allOf:
        - $ref: "https://schema.nfh.global/EnergyResourceCommon/v1.1/attributes.yaml#/components/schemas/EnergyResourceCommonAttributes"
        - type: object
          additionalProperties: true
          properties:

            ratedApparentPower:
              $ref: "https://schema.nfh.global/EnergyResourceCommon/v1.1/attributes.yaml#/components/schemas/QVApparentPower"
              description: >
                Rated apparent power. Replaces ratedApparentPowerKva from v1.0.
              x-standard: "SunSpec DER Model 702 (maxVA); CIM (IEC 61970-302 PowerElectronicsConnection.ratedS)"
              x-jsonld:
                "@id": erDeg:ratedApparentPower

            maxReactivePower:
              $ref: "https://schema.nfh.global/EnergyResourceCommon/v1.1/attributes.yaml#/components/schemas/QVReactivePower"
              description: >
                Maximum reactive power injection (leading / over-excited).
                Replaces maxReactivePowerKvar from v1.0.
              x-standard: "SunSpec DER Model 702 (maxVar); CIM (IEC 61970-302 PowerElectronicsConnection.maxQ)"
              x-jsonld:
                "@id": erDeg:maxReactivePower

            minReactivePower:
              $ref: "https://schema.nfh.global/EnergyResourceCommon/v1.1/attributes.yaml#/components/schemas/QVReactivePower"
              description: >
                Maximum reactive power absorption (lagging / under-excited).
                Value is typically negative. Replaces minReactivePowerKvar from v1.0.
              x-standard: "SunSpec DER Model 702 (maxVarNeg); CIM (IEC 61970-302 PowerElectronicsConnection.minQ)"
              x-jsonld:
                "@id": erDeg:minReactivePower

            rideThroughCategory:
              type: string
              enum: [CategoryI, CategoryII, CategoryIII]
              description: >
                Abnormal operating performance category. CategoryI: basic.
                CategoryII: enhanced for distribution-connected DER.
                CategoryIII: advanced for large/transmission-connected DER.
              x-standard: "IEEE 1547-2018 (ride-through category)"
              x-jsonld:
                "@id": erDeg:rideThroughCategory

            operatingMode:
              type: string
              enum: [GridFollowing, GridForming, Standby]
              description: >
                Inverter grid-interaction mode. GridFollowing: PLL-based sync.
                GridForming: own V/f reference (microgrid islanding, black-start).
                Standby: energised but not injecting.
              x-standard: "CIM (IEC 61970-302 PowerElectronicsConnection.inverterMode)"
              x-jsonld:
                "@id": erDeg:operatingMode

            voltVarEnabled:
              type: boolean
              description: Volt-VAr curve active.
              x-standard: "IEEE 2030.5 (opModVoltVar); SunSpec DER Model 705"
              x-jsonld:
                "@id": erDeg:voltVarEnabled

            freqDroopEnabled:
              type: boolean
              description: Frequency-Watt droop active.
              x-standard: "IEEE 1547-2018; SunSpec DER Model 711"
              x-jsonld:
                "@id": erDeg:freqDroopEnabled

            enterServiceRampTimeSec:
              type: number
              minimum: 0
              description: Seconds to ramp from 0 to rated power after reconnection.
              x-standard: "SunSpec DER Model 703 (ESRmpTms)"
              x-jsonld:
                "@id": erDeg:enterServiceRampTimeSec