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start inverter only if not exporting to grid

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This commit is contained in:
helgeerbe 2023-03-01 13:34:27 +01:00
parent 6241a31e8c
commit 3e38941b57
1 changed files with 15 additions and 16 deletions
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23
src/PowerLimiter.cpp
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@ -99,6 +99,8 @@ void PowerLimiterClass::loop()
dcVoltage, config.PowerLimiter_VoltageStartThreshold, config.PowerLimiter_VoltageStopThreshold, inverter->isProducing()); dcVoltage, config.PowerLimiter_VoltageStartThreshold, config.PowerLimiter_VoltageStopThreshold, inverter->isProducing());
} }
int32_t powerMeter = _powerMeter1Power + _powerMeter2Power + _powerMeter3Power;
if (inverter->isProducing()) { if (inverter->isProducing()) {
float acPower = inverter->Statistics()->getChannelFieldValue(TYPE_AC, (ChannelNum_t) config.PowerLimiter_InverterChannelId, FLD_PAC); float acPower = inverter->Statistics()->getChannelFieldValue(TYPE_AC, (ChannelNum_t) config.PowerLimiter_InverterChannelId, FLD_PAC);
float correctedDcVoltage = dcVoltage + (acPower * config.PowerLimiter_VoltageLoadCorrectionFactor); float correctedDcVoltage = dcVoltage + (acPower * config.PowerLimiter_VoltageLoadCorrectionFactor);
@ -113,7 +115,7 @@ void PowerLimiterClass::loop()
} }
if ((!_consumeSolarPowerOnly && isStopThresholdReached(inverter)) if ((!_consumeSolarPowerOnly && isStopThresholdReached(inverter))
|| (_consumeSolarPowerOnly && victronChargePower < 10)) { || (_consumeSolarPowerOnly && !canUseDirectSolarPower())) {
// DC voltage too low, stop the inverter // DC voltage too low, stop the inverter
MessageOutput.printf("[PowerLimiterClass::loop] DC voltage: %.2f Corrected DC voltage: %.2f...\r\n", MessageOutput.printf("[PowerLimiterClass::loop] DC voltage: %.2f Corrected DC voltage: %.2f...\r\n",
dcVoltage, correctedDcVoltage); dcVoltage, correctedDcVoltage);
@ -130,7 +132,7 @@ void PowerLimiterClass::loop()
return; return;
} }
} else { } else {
if ((isStartThresholdReached(inverter)) || victronChargePower >= 20) { if ((isStartThresholdReached(inverter) || canUseDirectSolarPower()) && powerMeter > 0) {
// DC voltage high enough, start the inverter // DC voltage high enough, start the inverter
MessageOutput.println("[PowerLimiterClass::loop] Starting up inverter..."); MessageOutput.println("[PowerLimiterClass::loop] Starting up inverter...");
_lastCommandSent = millis(); _lastCommandSent = millis();
@ -147,15 +149,14 @@ void PowerLimiterClass::loop()
} }
int32_t newPowerLimit = 0; int32_t newPowerLimit = 0;
bool withinTargetRange = false;
if (millis() - _lastPowerMeterUpdate < (30 * 1000)) { if (millis() - _lastPowerMeterUpdate < (30 * 1000)) {
newPowerLimit = static_cast<int>(_powerMeter1Power + _powerMeter2Power + _powerMeter3Power); newPowerLimit = powerMeter;
// check if grid power consumption is within the upper an lower threshold of the target consumption // check if grid power consumption is within the upper an lower threshold of the target consumption
if (!_consumeSolarPowerOnly && if (!_consumeSolarPowerOnly &&
newPowerLimit > (config.PowerLimiter_TargetPowerConsumption - config.PowerLimiter_TargetPowerConsumptionHysteresis) && newPowerLimit >= (config.PowerLimiter_TargetPowerConsumption - config.PowerLimiter_TargetPowerConsumptionHysteresis) &&
newPowerLimit < (config.PowerLimiter_TargetPowerConsumption + config.PowerLimiter_TargetPowerConsumptionHysteresis)) newPowerLimit <= (config.PowerLimiter_TargetPowerConsumption + config.PowerLimiter_TargetPowerConsumptionHysteresis))
withinTargetRange = true; return;
else { else {
if (config.PowerLimiter_IsInverterBehindPowerMeter) { if (config.PowerLimiter_IsInverterBehindPowerMeter) {
// If the inverter the behind the power meter (part of measurement), // If the inverter the behind the power meter (part of measurement),
@ -168,7 +169,7 @@ void PowerLimiterClass::loop()
newPowerLimit -= config.PowerLimiter_TargetPowerConsumption; newPowerLimit -= config.PowerLimiter_TargetPowerConsumption;
uint16_t upperPowerLimit = config.PowerLimiter_UpperPowerLimit; uint16_t upperPowerLimit = config.PowerLimiter_UpperPowerLimit;
if (_consumeSolarPowerOnly && upperPowerLimit > victronChargePower) { if (_consumeSolarPowerOnly && (upperPowerLimit > victronChargePower)) {
// Battery voltage too low, use Victron solar power only // Battery voltage too low, use Victron solar power only
upperPowerLimit = victronChargePower; upperPowerLimit = victronChargePower;
} }
@ -178,13 +179,13 @@ void PowerLimiterClass::loop()
else if (newPowerLimit < (uint16_t)config.PowerLimiter_LowerPowerLimit) { else if (newPowerLimit < (uint16_t)config.PowerLimiter_LowerPowerLimit) {
newPowerLimit = (uint16_t)config.PowerLimiter_LowerPowerLimit; newPowerLimit = (uint16_t)config.PowerLimiter_LowerPowerLimit;
// stop the inverter // stop the inverter
MessageOutput.println("[PowerLimiterClass::loop] Power limit too low. Stopping inverter..."); MessageOutput.println("[PowerLimiterClass::loop] Power limit below lower power limit. Stopping inverter...");
inverter->sendPowerControlRequest(Hoymiles.getRadio(), false); inverter->sendPowerControlRequest(Hoymiles.getRadio(), false);
} }
MessageOutput.printf("[PowerLimiterClass::loop] powerMeter: %d W lastRequestedPowerLimit: %d\r\n", MessageOutput.printf("[PowerLimiterClass::loop] powerMeter: %d W lastRequestedPowerLimit: %d\r\n",
static_cast<int>(_powerMeter1Power + _powerMeter2Power + _powerMeter3Power), _lastRequestedPowerLimit); powerMeter, _lastRequestedPowerLimit);
} }
} else { } else {
// If the power meter values are older than 30 seconds, // If the power meter values are older than 30 seconds,
@ -192,13 +193,11 @@ void PowerLimiterClass::loop()
newPowerLimit = config.PowerLimiter_LowerPowerLimit; newPowerLimit = config.PowerLimiter_LowerPowerLimit;
} }
if(!withinTargetRange) {
MessageOutput.printf("[PowerLimiterClass::loop] Limit Non-Persistent: %d W\r\n", newPowerLimit); MessageOutput.printf("[PowerLimiterClass::loop] Limit Non-Persistent: %d W\r\n", newPowerLimit);
inverter->sendActivePowerControlRequest(Hoymiles.getRadio(), newPowerLimit, PowerLimitControlType::AbsolutNonPersistent); inverter->sendActivePowerControlRequest(Hoymiles.getRadio(), newPowerLimit, PowerLimitControlType::AbsolutNonPersistent);
_lastRequestedPowerLimit = newPowerLimit; _lastRequestedPowerLimit = newPowerLimit;
_lastCommandSent = millis(); _lastCommandSent = millis();
}
} }
bool PowerLimiterClass::canUseDirectSolarPower() bool PowerLimiterClass::canUseDirectSolarPower()