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CSE7766 Apparent Power & Power Factor calculations (#6292)
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parent
ad7866b80e
commit
f53f91e191
4 changed files with 62 additions and 2 deletions
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@ -173,6 +173,32 @@ void CSE7766Component::parse_data_() {
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}
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}
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if (have_voltage && have_current) {
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const float apparent_power = voltage * current;
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if (this->apparent_power_sensor_ != nullptr) {
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this->apparent_power_sensor_->publish_state(apparent_power);
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}
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if (this->power_factor_sensor_ != nullptr && (have_power || power_cycle_exceeds_range)) {
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float pf = NAN;
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if (apparent_power > 0) {
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pf = power / apparent_power;
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if (pf < 0 || pf > 1) {
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ESP_LOGD(TAG, "Impossible power factor: %.4f not in interval [0, 1]", pf);
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pf = NAN;
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}
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} else if (apparent_power == 0 && power == 0) {
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// No load, report ideal power factor
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pf = 1.0f;
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} else if (current == 0 && calculated_current <= 0.05f) {
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// Datasheet: minimum measured current is 50mA
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ESP_LOGV(TAG, "Can't calculate power factor (current below minimum for CSE7766)");
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} else {
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ESP_LOGW(TAG, "Can't calculate power factor from P = %.4f W, S = %.4f VA", power, apparent_power);
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}
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this->power_factor_sensor_->publish_state(pf);
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}
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}
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#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERY_VERBOSE
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{
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std::stringstream ss;
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@ -205,6 +231,8 @@ void CSE7766Component::dump_config() {
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LOG_SENSOR(" ", "Current", this->current_sensor_);
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LOG_SENSOR(" ", "Power", this->power_sensor_);
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LOG_SENSOR(" ", "Energy", this->energy_sensor_);
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LOG_SENSOR(" ", "Apparent Power", this->apparent_power_sensor_);
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LOG_SENSOR(" ", "Power Factor", this->power_factor_sensor_);
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this->check_uart_settings(4800);
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}
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@ -13,6 +13,10 @@ class CSE7766Component : public Component, public uart::UARTDevice {
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void set_current_sensor(sensor::Sensor *current_sensor) { current_sensor_ = current_sensor; }
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void set_power_sensor(sensor::Sensor *power_sensor) { power_sensor_ = power_sensor; }
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void set_energy_sensor(sensor::Sensor *energy_sensor) { energy_sensor_ = energy_sensor; }
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void set_apparent_power_sensor(sensor::Sensor *apparent_power_sensor) {
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apparent_power_sensor_ = apparent_power_sensor;
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}
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void set_power_factor_sensor(sensor::Sensor *power_factor_sensor) { power_factor_sensor_ = power_factor_sensor; }
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void loop() override;
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float get_setup_priority() const override;
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@ -30,6 +34,8 @@ class CSE7766Component : public Component, public uart::UARTDevice {
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sensor::Sensor *current_sensor_{nullptr};
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sensor::Sensor *power_sensor_{nullptr};
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sensor::Sensor *energy_sensor_{nullptr};
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sensor::Sensor *apparent_power_sensor_{nullptr};
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sensor::Sensor *power_factor_sensor_{nullptr};
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uint32_t cf_pulses_total_{0};
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uint16_t cf_pulses_last_{0};
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};
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@ -2,19 +2,24 @@ import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome.components import sensor, uart
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from esphome.const import (
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CONF_APPARENT_POWER,
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CONF_CURRENT,
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CONF_ENERGY,
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CONF_ID,
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CONF_POWER,
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CONF_POWER_FACTOR,
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CONF_VOLTAGE,
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DEVICE_CLASS_APPARENT_POWER,
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DEVICE_CLASS_CURRENT,
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DEVICE_CLASS_ENERGY,
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DEVICE_CLASS_POWER,
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DEVICE_CLASS_POWER_FACTOR,
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DEVICE_CLASS_VOLTAGE,
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STATE_CLASS_MEASUREMENT,
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STATE_CLASS_TOTAL_INCREASING,
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UNIT_VOLT,
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UNIT_AMPERE,
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UNIT_VOLT,
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UNIT_VOLT_AMPS,
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UNIT_WATT,
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UNIT_WATT_HOURS,
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)
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@ -51,6 +56,17 @@ CONFIG_SCHEMA = cv.Schema(
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device_class=DEVICE_CLASS_ENERGY,
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state_class=STATE_CLASS_TOTAL_INCREASING,
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),
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cv.Optional(CONF_APPARENT_POWER): sensor.sensor_schema(
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unit_of_measurement=UNIT_VOLT_AMPS,
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accuracy_decimals=1,
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device_class=DEVICE_CLASS_APPARENT_POWER,
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state_class=STATE_CLASS_MEASUREMENT,
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),
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cv.Optional(CONF_POWER_FACTOR): sensor.sensor_schema(
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accuracy_decimals=2,
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device_class=DEVICE_CLASS_POWER_FACTOR,
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state_class=STATE_CLASS_MEASUREMENT,
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),
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}
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).extend(uart.UART_DEVICE_SCHEMA)
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FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
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@ -75,3 +91,9 @@ async def to_code(config):
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if energy_config := config.get(CONF_ENERGY):
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sens = await sensor.new_sensor(energy_config)
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cg.add(var.set_energy_sensor(sens))
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if apparent_power_config := config.get(CONF_APPARENT_POWER):
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sens = await sensor.new_sensor(apparent_power_config)
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cg.add(var.set_apparent_power_sensor(sens))
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if power_factor_config := config.get(CONF_POWER_FACTOR):
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sens = await sensor.new_sensor(power_factor_config)
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cg.add(var.set_power_factor_sensor(sens))
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@ -634,7 +634,11 @@ sensor:
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current:
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name: CSE7766 Current
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power:
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name: CSE776 Power
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name: CSE7766 Power
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apparent_power:
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name: CSE7766 Apparent Power
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power_factor:
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name: CSE7766 Power Factor
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- platform: fingerprint_grow
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fingerprint_count:
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