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OCPP: report zero charge power while idle (#30655)

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andig 2026-06-09 09:28:49 +02:00 • committed by GitHub
parent 6f7b689322
commit 2db85aeed6
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2 changed files with 33 additions and 0 deletions
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6
charger/ocpp/connector.go
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@ -307,6 +307,12 @@ func (conn *Connector) CurrentPower() (float64, error) {
}
}
// no power measurand: chargers that only report energy while idle (e.g. Mennekes ACU)
// never send power outside a transaction, so report zero as nothing is charging
if conn.txnId == 0 {
return 0, nil
}
return 0, api.ErrNotAvailable
}

27
charger/ocpp/connector_test.go
View file

@ -112,6 +112,33 @@ func (suite *connTestSuite) TestConnectorMeasurementsNoTxn() {
suite.Equal(res3, 1.0, "Voltages")
}
func (suite *connTestSuite) TestConnectorEnergyOnlyNoTxn() {
// connected, no txn, only energy register reported (e.g. Mennekes ACU while idle)
suite.conn.measurements[types.MeasurandEnergyActiveImportRegister] = types.SampledValue{Value: "1000", Unit: types.UnitOfMeasureWh}
suite.conn.meterUpdated = suite.clock.Now()
// no power measurand but no running txn: report zero instead of ErrNotAvailable
res, err := suite.conn.CurrentPower()
suite.NoError(err, "CurrentPower")
suite.Equal(0.0, res, "CurrentPower")
// energy is still reported
res, err = suite.conn.TotalEnergy()
suite.NoError(err, "TotalEnergy")
suite.Equal(1.0, res, "TotalEnergy")
}
func (suite *connTestSuite) TestConnectorEnergyOnlyRunningTxn() {
// connected, running txn, only energy register reported and no power yet
suite.conn.measurements[types.MeasurandEnergyActiveImportRegister] = types.SampledValue{Value: "1000", Unit: types.UnitOfMeasureWh}
suite.conn.meterUpdated = suite.clock.Now()
suite.conn.txnId = 1
// missing power during an active txn must still surface as not available
_, err := suite.conn.CurrentPower()
suite.Equal(api.ErrNotAvailable, err, "CurrentPower")
}
func (suite *connTestSuite) TestConnectorMeasurementsRunningTxnOutdated() {
// connected, running txn, no meter update since 1 hour
suite.addMeasurements()