/
storage.rst
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/
storage.rst
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==================
Storage
==================
.. note::
Since storage power values are given in the consumer system, positive power models charging and negative power models discharging.
.. seealso::
:ref:`Unit Systems and Conventions <conventions>`
Create Function
=====================
.. autofunction:: pandapower.create_storage
Input Parameters
=====================
*net.storage*
.. tabularcolumns:: |p{0.10\linewidth}|p{0.10\linewidth}|p{0.25\linewidth}|p{0.40\linewidth}|
.. csv-table::
:file: storage_par.csv
:delim: ;
:widths: 10, 10, 25, 40
.. |br| raw:: html
<br />
\*necessary for executing a power flow calculation |br| \*\*optimal power flow parameter
Electric Model
=================
Storages are modelled as PQ-buses in the power flow calculation:
.. image:: storage.png
:width: 8em
:alt: alternate Text
:align: center
The PQ-Values are calculated from the parameter table values as:
.. math::
:nowrap:
\begin{align*}
P_{storage} &= p\_mw \cdot scaling \\
Q_{storage} &= q\_mvar \cdot scaling \\
\end{align*}
.. note::
The apparent power value sn_mva, state of charge soc and storage capacity max_e_mwh are provided as additional information for usage in controller or other applications based on panadapower. It is not considered in the power flow!
Result Parameters
==========================
*net.res_storage*
.. tabularcolumns:: |p{0.10\linewidth}|p{0.10\linewidth}|p{0.50\linewidth}|
.. csv-table::
:file: storage_res.csv
:delim: ;
:widths: 10, 10, 50
The power values in the net.res_storage table are equivalent to :math:`P_{storage}` and :math:`Q_{storage}`.