recover storage input docs

Author: danielfeismann

docs/readthedocs/models/input/participant/storage.md

@@ -0,0 +1,122 @@
+(storage-model)=
+
+# Electrical Energy Storage
+
+Model of an ideal electrical battery energy storage.
+
+## Attributes, Units and Remarks
+
+### Type Model
+
+```{eval-rst}
+.. list-table::
+   :widths: 33 33 33
+   :header-rows: 0
+
+
+   * - Attribute
+     - Unit
+     - Remarks
+
+   * - uuid
+     - --
+     -
+
+   * - id
+     - --
+     - Human readable identifier
+
+   * - capex
+     - €
+     - Capital expenditure to purchase one entity of this type
+
+   * - opex
+     - € / MWh
+     - | Operational expenditure to operate one entity of
+       | this type
+
+   * - eStorage
+     - kWh
+     - Battery capacity
+
+   * - sRated
+     - kVA
+     - Rated apparent power
+
+   * - cosPhiRated
+     - --
+     - Rated power factor
+
+   * - pMax
+     - kW
+     - | Maximum permissible active power
+       | infeed or consumption
+
+   * - activePowerGradient
+     - % / h
+     - Maximum permissible rate of change of power
+
+   * - eta
+     - %
+     - Efficiency of the electrical inverter
+
+   * - em
+     - --
+     - | UUID reference to an :ref:`Energy Management Unit<em_model>` that is controlling
+       | this system participant. Field can be empty or missing, if this participant
+       | is not controlled.
+
+```
+
+### Entity Model
+
+```{eval-rst}
+.. list-table::
+   :widths: 33 33 33
+   :header-rows: 0
+
+
+   * - Attribute
+     - Unit
+     - Remarks
+
+   * - uuid
+     - --
+     -
+
+   * - id
+     - --
+     - Human readable identifier
+
+   * - operator
+     - --
+     -
+
+   * - operationTime
+     - --
+     - Timely restriction of operation
+
+   * - node
+     - --
+     -
+
+   * - qCharacteristics
+     - --
+     - :ref:`Reactive power characteristic<participant-general-q-characteristic>` to follow
+
+   * - type
+     - --
+     -
+
+   * - behaviour
+     - --
+     - | Foreseen operation strategy of the storage.
+       | Eligible input: *"market"*, *"grid"*, *"self"*
+
+
+```
+
+## Caveats
+
+The field {code}`behaviour` will be removed in version 1.x, as this is an information, that is only important to a
+smaller sub set of simulation applications.