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Add inverter exceeding limits event

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This commit is contained in:
Daniel 2024-05-20 23:43:56 +03:00
parent 7193938dcd
commit 170ba8f5bb
4 changed files with 31 additions and 3 deletions
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2
Software/src/datalayer/datalayer.h
View file

@ -30,6 +30,8 @@ typedef struct {
typedef struct { typedef struct {
/** int32_t */ /** int32_t */
/** Instantaneous battery power in Watts */ /** Instantaneous battery power in Watts */
/* Positive value = Battery Charging */
/* Negative value = Battery Discharging */
int32_t active_power_W; int32_t active_power_W;
/** uint32_t */ /** uint32_t */

22
Software/src/devboard/safety/safety.cpp
View file

@ -34,7 +34,7 @@ void update_machineryprotection() {
clear_event(EVENT_BATTERY_UNDERVOLTAGE); clear_event(EVENT_BATTERY_UNDERVOLTAGE);
} }
// Battery is extremely degraded, not fit for secondlifestorage // Battery is extremely degraded, not fit for secondlifestorage!
if (datalayer.battery.status.soh_pptt < 2500) { if (datalayer.battery.status.soh_pptt < 2500) {
set_event(EVENT_LOW_SOH, datalayer.battery.status.soh_pptt); set_event(EVENT_LOW_SOH, datalayer.battery.status.soh_pptt);
} else { } else {
@ -49,6 +49,24 @@ void update_machineryprotection() {
clear_event(EVENT_CELL_DEVIATION_HIGH); clear_event(EVENT_CELL_DEVIATION_HIGH);
} }
// Inverter is charging with more power than battery wants!
if (datalayer.battery.status.active_power_W > 0) { // Charging
if (datalayer.battery.status.active_power_W > (datalayer.battery.status.max_charge_power_W + 2000)) {
set_event(EVENT_CHARGE_LIMIT_EXCEEDED, 0); // Alert when 2kW over requested max
} else {
clear_event(EVENT_CHARGE_LIMIT_EXCEEDED);
}
}
// Inverter is pulling too much power from battery!
if (datalayer.battery.status.active_power_W < 0) { // Discharging
if (-datalayer.battery.status.active_power_W > (datalayer.battery.status.max_charge_power_W + 2000)) {
set_event(EVENT_DISCHARGE_LIMIT_EXCEEDED, 0); // Alert when 2kW over requested max
} else {
clear_event(EVENT_DISCHARGE_LIMIT_EXCEEDED);
}
}
// Check if the BMS is still sending CAN messages. If we go 60s without messages we raise an error // Check if the BMS is still sending CAN messages. If we go 60s without messages we raise an error
if (!datalayer.battery.status.CAN_battery_still_alive) { if (!datalayer.battery.status.CAN_battery_still_alive) {
set_event(EVENT_CAN_RX_FAILURE, 0); set_event(EVENT_CAN_RX_FAILURE, 0);
@ -57,7 +75,7 @@ void update_machineryprotection() {
clear_event(EVENT_CAN_RX_FAILURE); clear_event(EVENT_CAN_RX_FAILURE);
} }
// Also check if we have recieved too many malformed CAN messages // Too many malformed CAN messages recieved!
if (datalayer.battery.status.CAN_error_counter > MAX_CAN_FAILURES) { if (datalayer.battery.status.CAN_error_counter > MAX_CAN_FAILURES) {
set_event(EVENT_CAN_RX_WARNING, 0); set_event(EVENT_CAN_RX_WARNING, 0);
} else { } else {

6
Software/src/devboard/utils/events.cpp
View file

@ -139,6 +139,8 @@ void init_events(void) {
events.entries[EVENT_CAN_RX_WARNING].level = EVENT_LEVEL_WARNING; events.entries[EVENT_CAN_RX_WARNING].level = EVENT_LEVEL_WARNING;
events.entries[EVENT_CAN_TX_FAILURE].level = EVENT_LEVEL_ERROR; events.entries[EVENT_CAN_TX_FAILURE].level = EVENT_LEVEL_ERROR;
events.entries[EVENT_WATER_INGRESS].level = EVENT_LEVEL_ERROR; events.entries[EVENT_WATER_INGRESS].level = EVENT_LEVEL_ERROR;
events.entries[EVENT_CHARGE_LIMIT_EXCEEDED].level = EVENT_LEVEL_INFO;
events.entries[EVENT_DISCHARGE_LIMIT_EXCEEDED].level = EVENT_LEVEL_INFO;
events.entries[EVENT_12V_LOW].level = EVENT_LEVEL_WARNING; events.entries[EVENT_12V_LOW].level = EVENT_LEVEL_WARNING;
events.entries[EVENT_SOC_PLAUSIBILITY_ERROR].level = EVENT_LEVEL_ERROR; events.entries[EVENT_SOC_PLAUSIBILITY_ERROR].level = EVENT_LEVEL_ERROR;
events.entries[EVENT_KWH_PLAUSIBILITY_ERROR].level = EVENT_LEVEL_INFO; events.entries[EVENT_KWH_PLAUSIBILITY_ERROR].level = EVENT_LEVEL_INFO;
@ -212,6 +214,10 @@ const char* get_event_message_string(EVENTS_ENUM_TYPE event) {
return "ERROR: High amount of corrupted CAN messages detected. Check CAN wire shielding!"; return "ERROR: High amount of corrupted CAN messages detected. Check CAN wire shielding!";
case EVENT_CAN_TX_FAILURE: case EVENT_CAN_TX_FAILURE:
return "ERROR: CAN messages failed to transmit, or no one on the bus to ACK the message!"; return "ERROR: CAN messages failed to transmit, or no one on the bus to ACK the message!";
case EVENT_CHARGE_LIMIT_EXCEEDED:
return "Info: Inverter is charging with higher power amount than battery is sending as max allowed.";
case EVENT_DISCHARGE_LIMIT_EXCEEDED:
return "Info: Inverter is discharging with higher power amount than battery is sending as max allowed.";
case EVENT_WATER_INGRESS: case EVENT_WATER_INGRESS:
return "Water leakage inside battery detected. Operation halted. Inspect battery!"; return "Water leakage inside battery detected. Operation halted. Inspect battery!";
case EVENT_12V_LOW: case EVENT_12V_LOW:

4
Software/src/devboard/utils/events.h
View file

@ -6,7 +6,7 @@
// #define INCLUDE_EVENTS_TEST // Enable to run an event test loop, see events_test_on_target.cpp // #define INCLUDE_EVENTS_TEST // Enable to run an event test loop, see events_test_on_target.cpp
#define EE_MAGIC_HEADER_VALUE 0x0005 // 0x0000 to 0xFFFF #define EE_MAGIC_HEADER_VALUE 0x0006 // 0x0000 to 0xFFFF
#define GENERATE_ENUM(ENUM) ENUM, #define GENERATE_ENUM(ENUM) ENUM,
#define GENERATE_STRING(STRING) #STRING, #define GENERATE_STRING(STRING) #STRING,
@ -32,6 +32,8 @@
XX(EVENT_CANFD_RX_FAILURE) \ XX(EVENT_CANFD_RX_FAILURE) \
XX(EVENT_CAN_RX_WARNING) \ XX(EVENT_CAN_RX_WARNING) \
XX(EVENT_CAN_TX_FAILURE) \ XX(EVENT_CAN_TX_FAILURE) \
XX(EVENT_CHARGE_LIMIT_EXCEEDED) \
XX(EVENT_DISCHARGE_LIMIT_EXCEEDED \
XX(EVENT_WATER_INGRESS) \ XX(EVENT_WATER_INGRESS) \
XX(EVENT_12V_LOW) \ XX(EVENT_12V_LOW) \
XX(EVENT_SOC_PLAUSIBILITY_ERROR) \ XX(EVENT_SOC_PLAUSIBILITY_ERROR) \