.. _Collection:

================================================================================
Collection
================================================================================
Collection of topology models

Common Parameters: u, name

Available models:
Area_

.. _Area:

--------------------------------------------------------------------------------
Area
--------------------------------------------------------------------------------
Area model.

Area collects back references from the Bus model and
the ACTopology group.

Parameters
----------

+-------+-----------+-------------------+---------+--------+------------+
| Name  |  Symbol   |    Description    | Default |  Unit  | Properties |
+=======+===========+===================+=========+========+============+
|  idx  |           | unique device idx |         |        |            |
+-------+-----------+-------------------+---------+--------+------------+
|  u    | :math:`u` | connection status | 1       | *bool* |            |
+-------+-----------+-------------------+---------+--------+------------+
|  name |           | device name       |         |        |            |
+-------+-----------+-------------------+---------+--------+------------+


Config Fields in [Area]

+---------------+--------+-------+---------------------------------------+-----------------+
|    Option     | Symbol | Value |                 Info                  | Accepted values |
+===============+========+=======+=======================================+=================+
|  allow_adjust |        | 1     | allow adjusting upper or lower limits | (0, 1)          |
+---------------+--------+-------+---------------------------------------+-----------------+
|  adjust_lower |        | 0     | adjust lower limit                    | (0, 1)          |
+---------------+--------+-------+---------------------------------------+-----------------+
|  adjust_upper |        | 1     | adjust upper limit                    | (0, 1)          |
+---------------+--------+-------+---------------------------------------+-----------------+