Which OCPP Smart Charging Profiles does HARMON-E use?

In order to manage any OCPP-compliant chargers via load management, HARMON-E uses the standard OCPP SetChargingProfile message to set maximum charge currents for charge points. The connectorId is always greater-equal 1 in order to set the maximum charge current per connector.

In the SetChargingProfile the following csChargingProfiles are used:

• TxDefaultProfile
• TxProfile

The stackLevel is always set to 0 and the chargingProfileKind is set to Relative by default. The chargingRateUnit is A by default but can be configured (on request) to W.

The chargingSchedulePeriod has by default the startPeriod to be 0.

For a TxDefaultProfile, the limit is set to 0 by default. This can be changed to any other value on request or in the advanced charging station settings.

For a TxProfile, the limit is set to the maximum charge current defined by the load management.

Example for a TxDefaultProfile

[
  2,
  "88d9d649-6736-4bd8-a04d-bfea596cd655",
  "SetChargingProfile",
  {
    "connectorId": 1,
    "csChargingProfiles": {
      "chargingProfileId": 1,
      "stackLevel": 0,
      "chargingProfilePurpose": "TxDefaultProfile",
      "chargingProfileKind": "Relative",
      "chargingSchedule": {
        "chargingRateUnit": "A",
        "chargingSchedulePeriod": [{ "startPeriod": 0, "limit": 0 }]
      }
    }
  }
]

Example for a TxProfile

[
  2,
  "6d2da0c5-6130-4126-a149-f8a5734c71c3",
  "SetChargingProfile",
  {
    "connectorId": 1,
    "csChargingProfiles": {
      "chargingProfileId": 1,
      "transactionId": 920056440,
      "stackLevel": 0,
      "chargingProfilePurpose": "TxProfile",
      "chargingProfileKind": "Relative",
      "chargingSchedule": {
        "chargingRateUnit": "A",
        "chargingSchedulePeriod": [{ "startPeriod": 0, "limit": 16 }]
      }
    }
  }
]