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84 lines
2.6 KiB
ReStructuredText
Total Daily Energy Sensor
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=========================
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.. seo::
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:description: Instructions for setting up sensors that track the total daily energy usage per day and accumulate the power usage.
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:image: sigma.svg
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The ``total_daily_energy`` sensor is a helper sensor that can use the power value of
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other sensors like the :doc:`HLW8012 <hlw8012>`, :doc:`CSE7766 <cse7766>`, :doc:`ATM90E32 <atm90e32>`, etc and integrate
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it over time.
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So this component allows you to convert readings in ``W`` or ``kW`` to readings of the total
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daily energy usage in ``Wh`` or ``kWh``.
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.. code-block:: yaml
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# Example configuration entry
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sensor:
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- platform: total_daily_energy
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name: 'Total Daily Energy'
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power_id: my_power
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unit_of_measurement: 'kWh'
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state_class: total_increasing
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device_class: energy
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accuracy_decimals: 3
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filters:
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# Multiplication factor from W to kW is 0.001
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- multiply: 0.001
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# The power sensor to convert, can be any power sensor
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- platform: hlw8012
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# ...
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power:
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id: my_power
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# Enable time component to reset energy at midnight
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time:
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- platform: homeassistant
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id: homeassistant_time
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Configuration variables:
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------------------------
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- **power_id** (**Required**, :ref:`config-id`): The ID of the power sensor
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to integrate over time.
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- **restore** (*Optional*, boolean): Whether to store the intermediate result on the device so
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that the value can be restored upon power cycle or reboot.
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Defaults to ``true``.
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- **method** (*Optional*, string): The method to use for calculating the total daily energy. One of
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``trapezoid``, ``left`` or ``right``. Defaults to ``right``.
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- All other options from :ref:`Sensor <config-sensor>`.
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Converting from W to kW
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-----------------------
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Some sensors such as the :doc:`HLW8012 <hlw8012>` expose their power sensor with a unit of measurement of
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``W``. To have your readings in ``kW``, use a filter:
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.. code-block:: yaml
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sensor:
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# The power sensor to convert, can be any power sensor
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- platform: hlw8012
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# ...
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power:
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id: my_power
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filters:
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# Multiplication factor from W to kW is 0.001
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- multiply: 0.001
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unit_of_measurement: kW
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See Also
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--------
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- :ref:`sensor-filters`
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- :doc:`hlw8012`
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- :doc:`cse7766`
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- :doc:`/components/sensor/pulse_counter`
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- :doc:`/components/sensor/pulse_meter`
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- :doc:`/components/time/homeassistant`
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- :doc:`/cookbook/power_meter`
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- :apiref:`total_daily_energy/total_daily_energy.h`
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- :ghedit:`Edit`
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