I have 2 Neo Coolcam Plugs, both were running tasmota and now I switched to ESPHome.
It’s really great, but one of the plugs has an issue with the current or power sensor.
I have a constant load (ventilator) and tasmota showed:
U = 240 V
I = 0.0052 A
P_true = 10 W
P_apparent = 12.5 VA
Power Factor = 0.8
which are feasible values.
Now with ESPHome this plug shows:
U = 240 V
I = 0.0033 A
P_true = 10 W
P_apparent = 8 VA (calculated U * I)
Power Factor = 1.2 (calculated P_true / (U * I))
Which is physically not possible. P_true can not be higher than (U * I) which means Power Factor is always between 0 and 1.
Can you help me?
BTW: The other plug is on a power supply and shows a power factor of 0.8
My ESPHome config:
substitutions:
plug_name: esp-sd-2
# Higher value gives lower watt readout
current_res: "0.00221"
# Lower value gives lower voltage readout
voltage_div: "800"
esphome:
name: ${plug_name}
platform: ESP8266
board: esp8285
wifi:
ssid: "secret"
password: "secret"
use_address: esp-sd-2.fritz.box
# Enable fallback hotspot (captive portal) in case wifi connection fails
ap:
ssid: "esp-sd-2 Fallback Hotspot"
password: "secret"
captive_portal:
# Enable logging
logger:
# Enable Home Assistant API
api:
ota:
web_server:
port: 80
binary_sensor:
- platform: gpio
pin:
number: GPIO0
inverted: True
name: "${plug_name} Button"
on_press:
- switch.toggle: relay
switch:
- platform: gpio
name: "${plug_name} LED"
pin: GPIO13
inverted: True
restore_mode: ALWAYS_OFF
id: red_led
- platform: gpio
name: "${plug_name} Relais"
pin: GPIO14
restore_mode: ALWAYS_ON
id: relay
on_turn_on:
- switch.turn_on: red_led
on_turn_off:
- switch.turn_off: red_led
sensor:
- platform: hlw8012
sel_pin:
number: GPIO12
inverted: True
cf_pin: GPIO04
cf1_pin: GPIO05
current_resistor: ${current_res}
voltage_divider: ${voltage_div}
current:
name: "${plug_name} Strom"
unit_of_measurement: A
icon: "mdi:current-ac"
id: "Strom"
accuracy_decimals: 3
filters:
- or:
- throttle: 60s
- delta: 0.01
voltage:
name: "${plug_name} Spannung"
unit_of_measurement: V
icon: "mdi:current-ac"
id: "Spannung"
accuracy_decimals: 0
filters:
- or:
- throttle: 300s
- delta: 10.0
power:
name: "${plug_name} Wirkleistung"
unit_of_measurement: W
icon: "mdi:speedometer"
id: "Wirkleistung"
accuracy_decimals: 1
filters:
- or:
- throttle: 60s
- delta: 2.0
change_mode_every: 6
update_interval: 5s
- platform: total_daily_energy
name: "${plug_name} Stromverbrauch heute"
power_id: "Wirkleistung"
filters:
# Multiplication factor from W to kW is 0.001
- multiply: 0.001
unit_of_measurement: kWh
accuracy_decimals: 3
icon: "mdi:counter"
- platform: template
name: "${plug_name} Leistungsfaktor"
lambda: |-
return id(Wirkleistung).state / (id(Spannung).state * id(Strom).state);
update_interval: 5s
accuracy_decimals: 2
unit_of_measurement: "CosPhi"
icon: "mdi:angle-acute"
filters:
- or:
- throttle: 60s
- delta: 3.0
- platform: template
name: "${plug_name} Scheinleistung"
lambda: |-
return id(Spannung).state * id(Strom).state;
update_interval: 5s
accuracy_decimals: 1
unit_of_measurement: "VA"
icon: "mdi:speedometer"
filters:
- or:
- throttle: 60s
- delta: 3.0
# Extra sensor to keep track of plug uptime
- platform: uptime
name: ${plug_name} Uptime
time:
- platform: sntp
id: my_time
