From cc53eb42b273631b14ddf3d0a0308372a58043e7 Mon Sep 17 00:00:00 2001
From: Nick Kinnan <nkinnan@users.noreply.github.com>
Date: Mon, 23 Sep 2024 20:53:13 -0700
Subject: [PATCH] Add CSE7766 reactive power (#7301)
---
esphome/components/cse7766/cse7766.cpp | 11 +++++++++++
esphome/components/cse7766/cse7766.h | 4 ++++
esphome/components/cse7766/sensor.py | 12 ++++++++++++
3 files changed, 27 insertions(+)
diff --git a/esphome/components/cse7766/cse7766.cpp b/esphome/components/cse7766/cse7766.cpp
index f1420aa127..47058badce 100644
--- a/esphome/components/cse7766/cse7766.cpp
+++ b/esphome/components/cse7766/cse7766.cpp
@@ -147,6 +147,7 @@ void CSE7766Component::parse_data_() {
float power = 0.0f;
if (power_cycle_exceeds_range) {
// Datasheet: power cycle exceeding range means active power is 0
+ have_power = true;
if (this->power_sensor_ != nullptr) {
this->power_sensor_->publish_state(0.0f);
}
@@ -178,6 +179,15 @@ void CSE7766Component::parse_data_() {
if (this->apparent_power_sensor_ != nullptr) {
this->apparent_power_sensor_->publish_state(apparent_power);
}
+ if (have_power && this->reactive_power_sensor_ != nullptr) {
+ const float reactive_power = apparent_power - power;
+ if (reactive_power < 0.0f) {
+ ESP_LOGD(TAG, "Impossible reactive power: %.4f is negative", reactive_power);
+ this->reactive_power_sensor_->publish_state(0.0f);
+ } else {
+ this->reactive_power_sensor_->publish_state(reactive_power);
+ }
+ }
if (this->power_factor_sensor_ != nullptr && (have_power || power_cycle_exceeds_range)) {
float pf = NAN;
if (apparent_power > 0) {
@@ -232,6 +242,7 @@ void CSE7766Component::dump_config() {
LOG_SENSOR(" ", "Power", this->power_sensor_);
LOG_SENSOR(" ", "Energy", this->energy_sensor_);
LOG_SENSOR(" ", "Apparent Power", this->apparent_power_sensor_);
+ LOG_SENSOR(" ", "Reactive Power", this->reactive_power_sensor_);
LOG_SENSOR(" ", "Power Factor", this->power_factor_sensor_);
this->check_uart_settings(4800);
}
diff --git a/esphome/components/cse7766/cse7766.h b/esphome/components/cse7766/cse7766.h
index 0b724d6bbb..5d89b3b75b 100644
--- a/esphome/components/cse7766/cse7766.h
+++ b/esphome/components/cse7766/cse7766.h
@@ -16,6 +16,9 @@ class CSE7766Component : public Component, public uart::UARTDevice {
void set_apparent_power_sensor(sensor::Sensor *apparent_power_sensor) {
apparent_power_sensor_ = apparent_power_sensor;
}
+ void set_reactive_power_sensor(sensor::Sensor *reactive_power_sensor) {
+ reactive_power_sensor_ = reactive_power_sensor;
+ }
void set_power_factor_sensor(sensor::Sensor *power_factor_sensor) { power_factor_sensor_ = power_factor_sensor; }
void loop() override;
@@ -35,6 +38,7 @@ class CSE7766Component : public Component, public uart::UARTDevice {
sensor::Sensor *power_sensor_{nullptr};
sensor::Sensor *energy_sensor_{nullptr};
sensor::Sensor *apparent_power_sensor_{nullptr};
+ sensor::Sensor *reactive_power_sensor_{nullptr};
sensor::Sensor *power_factor_sensor_{nullptr};
uint32_t cf_pulses_total_{0};
uint16_t cf_pulses_last_{0};
diff --git a/esphome/components/cse7766/sensor.py b/esphome/components/cse7766/sensor.py
index b64dcf7de3..ecb59c4b5f 100644
--- a/esphome/components/cse7766/sensor.py
+++ b/esphome/components/cse7766/sensor.py
@@ -8,18 +8,21 @@ from esphome.const import (
CONF_ID,
CONF_POWER,
CONF_POWER_FACTOR,
+ CONF_REACTIVE_POWER,
CONF_VOLTAGE,
DEVICE_CLASS_APPARENT_POWER,
DEVICE_CLASS_CURRENT,
DEVICE_CLASS_ENERGY,
DEVICE_CLASS_POWER,
DEVICE_CLASS_POWER_FACTOR,
+ DEVICE_CLASS_REACTIVE_POWER,
DEVICE_CLASS_VOLTAGE,
STATE_CLASS_MEASUREMENT,
STATE_CLASS_TOTAL_INCREASING,
UNIT_AMPERE,
UNIT_VOLT,
UNIT_VOLT_AMPS,
+ UNIT_VOLT_AMPS_REACTIVE,
UNIT_WATT,
UNIT_WATT_HOURS,
)
@@ -62,6 +65,12 @@ CONFIG_SCHEMA = cv.Schema(
device_class=DEVICE_CLASS_APPARENT_POWER,
state_class=STATE_CLASS_MEASUREMENT,
),
+ cv.Optional(CONF_REACTIVE_POWER): sensor.sensor_schema(
+ unit_of_measurement=UNIT_VOLT_AMPS_REACTIVE,
+ accuracy_decimals=1,
+ device_class=DEVICE_CLASS_REACTIVE_POWER,
+ state_class=STATE_CLASS_MEASUREMENT,
+ ),
cv.Optional(CONF_POWER_FACTOR): sensor.sensor_schema(
accuracy_decimals=2,
device_class=DEVICE_CLASS_POWER_FACTOR,
@@ -94,6 +103,9 @@ async def to_code(config):
if apparent_power_config := config.get(CONF_APPARENT_POWER):
sens = await sensor.new_sensor(apparent_power_config)
cg.add(var.set_apparent_power_sensor(sens))
+ if reactive_power_config := config.get(CONF_REACTIVE_POWER):
+ sens = await sensor.new_sensor(reactive_power_config)
+ cg.add(var.set_reactive_power_sensor(sens))
if power_factor_config := config.get(CONF_POWER_FACTOR):
sens = await sensor.new_sensor(power_factor_config)
cg.add(var.set_power_factor_sensor(sens))