Add SoC threshold for battery current limit.

ranma · Sep 28, 2024 · 7444b57 · 7444b57
1 parent 8502d1e
commit 7444b57
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Showing 8 changed files with 24 additions and 0 deletions.
diff --git a/include/Configuration.h b/include/Configuration.h
@@ -147,6 +147,7 @@ struct BATTERY_CONFIG_T {
     BatteryVoltageUnit MqttVoltageUnit;
     bool EnableDischargeCurrentLimit;
     float DischargeCurrentLimit;
+    float DischargeCurrentLimitBelowSoc;
     bool UseBatteryReportedDischargeCurrentLimit;
     char MqttDischargeCurrentTopic[MQTT_MAX_TOPIC_STRLEN + 1];
     char MqttDischargeCurrentJsonPath[BATTERY_JSON_MAX_PATH_STRLEN + 1];

diff --git a/include/defaults.h b/include/defaults.h
@@ -156,6 +156,7 @@
 #define BATTERY_JKBMS_POLLING_INTERVAL 5
 #define BATTERY_ENABLE_DISCHARGE_CURRENT_LIMIT false
 #define BATTERY_DISCHARGE_CURRENT_LIMIT 0
+#define BATTERY_DISCHARGE_CURRENT_LIMIT_BELOW_SOC 100
 #define BATTERY_USE_BATTERY_REPORTED_DISCHARGE_CURRENT_LIMIT false
 #define BATTERY_CAN_INTERFACE 0
 #define BATTERY_CAN_TOPIC "debug/battery/can/message"

diff --git a/src/Battery.cpp b/src/Battery.cpp
@@ -91,8 +91,15 @@ float BatteryClass::getDischargeCurrentLimit()
     if (!config.Battery.EnableDischargeCurrentLimit) { return FLT_MAX; }
 
     auto dischargeCurrentLimit = config.Battery.DischargeCurrentLimit;
+    auto dischargeCurrentLimitBelowSoc = config.Battery.DischargeCurrentLimitBelowSoc;
     auto dischargeCurrentValid = dischargeCurrentLimit > 0.0f;
 
+    auto statsSoC = getStats()->getSoC();
+    auto statsSoCValid = getStats()->getSoCAgeSeconds() <= 60;
+    if (statsSoCValid && statsSoC > dischargeCurrentLimitBelowSoc) {
+        dischargeCurrentValid = false;
+    }
+
     auto statsCurrentLimit = getStats()->getDischargeCurrentLimit();
     auto statsLimitValid = config.Battery.UseBatteryReportedDischargeCurrentLimit
         && statsCurrentLimit >= 0.0f

diff --git a/src/Configuration.cpp b/src/Configuration.cpp
@@ -88,6 +88,7 @@ void ConfigurationClass::serializeBatteryConfig(BatteryConfig const& source, Jso
     target["mqtt_voltage_unit"] = config.Battery.MqttVoltageUnit;
     target["enable_discharge_current_limit"] = config.Battery.EnableDischargeCurrentLimit;
     target["discharge_current_limit"] = config.Battery.DischargeCurrentLimit;
+    target["discharge_current_limit_below_soc"] = config.Battery.DischargeCurrentLimitBelowSoc;
     target["use_battery_reported_discharge_current_limit"] = config.Battery.UseBatteryReportedDischargeCurrentLimit;
     target["mqtt_discharge_current_topic"] = config.Battery.MqttDischargeCurrentTopic;
     target["mqtt_discharge_current_json_path"] = config.Battery.MqttDischargeCurrentJsonPath;
@@ -387,6 +388,7 @@ void ConfigurationClass::deserializeBatteryConfig(JsonObject const& source, Batt
     target.MqttVoltageUnit = source["mqtt_voltage_unit"] | BatteryVoltageUnit::Volts;
     target.EnableDischargeCurrentLimit = source["enable_discharge_current_limit"] | BATTERY_ENABLE_DISCHARGE_CURRENT_LIMIT;
     target.DischargeCurrentLimit = source["discharge_current_limit"] | BATTERY_DISCHARGE_CURRENT_LIMIT;
+    target.DischargeCurrentLimitBelowSoc = source["discharge_current_limit_below_soc"] | BATTERY_DISCHARGE_CURRENT_LIMIT_BELOW_SOC;
     target.UseBatteryReportedDischargeCurrentLimit = source["use_battery_reported_discharge_current_limit"] | BATTERY_USE_BATTERY_REPORTED_DISCHARGE_CURRENT_LIMIT;
     strlcpy(target.MqttDischargeCurrentTopic, source["mqtt_discharge_current_topic"] | "", sizeof(config.Battery.MqttDischargeCurrentTopic));
     strlcpy(target.MqttDischargeCurrentJsonPath, source["mqtt_discharge_current_json_path"] | "", sizeof(config.Battery.MqttDischargeCurrentJsonPath));

diff --git a/webapp/src/locales/de.json b/webapp/src/locales/de.json
@@ -707,6 +707,7 @@
         "DischargeCurrentLimitConfiguration": "Einstellungen Entladestromlimit",
         "LimitDischargeCurrent": "Entladestrom limitieren",
         "DischargeCurrentLimit": "max. Entladestrom",
+        "DischargeCurrentLimitBelowSoc": "Limitieren unter SoC",
         "UseBatteryReportedDischargeCurrentLimit": "Von der Batterie übermitteltes Limit verwenden",
         "BatteryReportedDischargeCurrentLimitInfo": "<b>Hinweis:</b> Das niedrigste Limit wird angewendet, wobei das von der Batterie übermittelte Entladestromlimit nur verwendet wird, wenn in der letzten Minute ein Update eingegangen ist; andernfalls dient das zuvor festgelegte Limit als Fallback.",
         "MqttDischargeCurrentTopic": "Topic für Entladestromlimit",

diff --git a/webapp/src/locales/en.json b/webapp/src/locales/en.json
@@ -710,6 +710,7 @@
         "DischargeCurrentLimitConfiguration": "Discharge Current Limit Settings",
         "LimitDischargeCurrent": "Limit Discharge Current",
         "DischargeCurrentLimit": "max. Discharge Current",
+        "DischargeCurrentLimitBelowSoc": "Apply limit below SoC",
         "UseBatteryReportedDischargeCurrentLimit": "Use Battery-Reported limit",
         "BatteryReportedDischargeCurrentLimitInfo": "<b>Hint:</b> The lowest limit will be applied, with the battery-reported discharge current limit used only if an update was received in the last minute; otherwise, the previously specified limit will act as a fallback.",
         "MqttDischargeCurrentTopic": "Discharge Current Limit Value Topic",

diff --git a/webapp/src/types/BatteryConfig.ts b/webapp/src/types/BatteryConfig.ts
@@ -13,6 +13,7 @@ export interface BatteryConfig {
     mqtt_voltage_unit: number;
     enable_discharge_current_limit: boolean;
     discharge_current_limit: number;
+    discharge_current_limit_below_soc: number;
     use_battery_reported_discharge_current_limit: boolean;
     mqtt_discharge_current_topic: string;
     mqtt_discharge_current_json_path: string;

diff --git a/webapp/src/views/BatteryAdminView.vue b/webapp/src/views/BatteryAdminView.vue
@@ -175,6 +175,16 @@
                         postfix="A"
                     />
 
+                    <InputElement
+                        :label="$t('batteryadmin.DischargeCurrentLimitBelowSoc')"
+                        v-model="batteryConfigList.discharge_current_limit_below_soc"
+                        type="number"
+                        min="0"
+                        max="100"
+                        step="0.1"
+                        postfix="%"
+                    />
+
                     <InputElement
                         :label="$t('batteryadmin.UseBatteryReportedDischargeCurrentLimit')"
                         v-model="batteryConfigList.use_battery_reported_discharge_current_limit"