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Merge pull request #121 from dalathegreat/bugfix/tesla-cap

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Tesla S/3/X/Y: Fix Wh max/remain values
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Daniel Öster 2024-01-05 10:41:28 +02:00 • committed by GitHub
commit beb931c7c5
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1 changed files with 17 additions and 5 deletions
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22
Software/src/battery/TESLA-MODEL-3-BATTERY.cpp
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@ -178,12 +178,10 @@ void update_values_tesla_model_3_battery() { //This function maps all the value
battery_current = convert2unsignedInt16(amps); //13.0A
capacity_Wh = (nominal_full_pack_energy * 100); //Scale up 75.2kWh -> 75200Wh
if (capacity_Wh > 60000) {
capacity_Wh = 60000;
}
capacity_Wh = BATTERY_WH_MAX; //Use the configured value to avoid overflows
remaining_capacity_Wh = (expected_energy_remaining * 100); //Scale up 60.3kWh -> 60300Wh
//Calculate the remaining Wh amount from SOC% and max Wh value.
remaining_capacity_Wh = remaining_capacity_Wh = static_cast<int>((static_cast<double>(SOC) / 10000) * BATTERY_WH_MAX);
// Define the allowed discharge power
max_target_discharge_power = (max_discharge_current * volts);
@ -245,6 +243,15 @@ void update_values_tesla_model_3_battery() { //This function maps all the value
}
}
//Check if SOC% is plausible
if (battery_voltage >
(ABSOLUTE_MAX_VOLTAGE - 100)) { // When pack voltage is close to max, and SOC% is still low, raise FAULT
if (SOC < 6500) { //When SOC is less than 65.00% when approaching max voltage
bms_status = FAULT;
Serial.println("ERROR: SOC% reported by battery not plausible. Restart battery!");
}
}
if (LFP_Chemistry) { //LFP limits used for voltage safeties
if (cell_max_v >= MAX_CELL_VOLTAGE_LFP) {
bms_status = FAULT;
@ -273,6 +280,11 @@ void update_values_tesla_model_3_battery() { //This function maps all the value
}
}
if (bms_status == FAULT) { //Incase we enter a critical fault state, zero out the allowed limits
max_target_charge_power = 0;
max_target_discharge_power = 0;
}
/* Safeties verified. Perform USB serial printout if configured to do so */
#ifdef DEBUG_VIA_USB