Jann Launer

#754 Introduced two new constraints that force a direction to the links. This introduces a binary variable that represents the direction. This can lead to significant extra computation time. In...

To conclude: * The `add` method works as it should -> I removed the bug label. * A `remove` method could be implemented sometimes.

I meant editing the energysystem. Changing parameters in the optimisation_model after it has been created would be much more demanding. However, it might be that it is there were most...

This is because the default value of max is 1. https://github.com/oemof/oemof-solph/blob/7e341fdd041c38da8dfbb95867bb3a5bbc9bbe15/src/oemof/solph/network/flow.py#L182-L183 We could tell about this in the docstring.

The respective parts have been changed, therefore I close this issue.

Link is useful, e.g. in oemof.tabular. Therefore, I would like to give a push to this issue What has to be provided to do so? - good docstrings - [x]...

I had a look at examples/electrical/transhipment, which failed ``` File "oemof-solph/src/oemof/solph/components/experimental/_link.py", line 215, in _flow1_rule + m.flow[i, link, t] File "pyomo/core/expr/numvalue.pyx", line 736, in pyomo.core.expr.numvalue.NumericValue.__mul__ File "pyomo/core/expr/numeric_expr.pyx", line 1875, in...

@oemof-solph: Can someone please have a quick review? I would like to finish this one.

The results processing does not work properly after calling receive_duals > Traceback (most recent call last): File "/.virtualenvs/oemof-solph/lib/python3.6/site-packages/pyomo/common/collections/component_map.py", line 100, in __getitem__ return self._dict[id(obj)][1] KeyError: 139633195285288 > During handling of...

Before that fails, pyomo gives some warnings > Traceback (most recent call last): File "/.virtualenvs/oemof-solph/lib/python3.6/site-packages/pyomo/common/collections/component_map.py", line 100, in __getitem__ return self._dict[id(obj)][1] KeyError: 139633195285288 > During handling of the above exception,...