Python for Power System Analysis pre-release

[Tom Brown]

Dear openmod-ers,

The Renewable Energy Systems group at FIAS is pleased to share a
pre-release of the free software tool "Python for Power System Analysis"
(PyPSA).


PyPSA can calculate:

* static power flow

* optimal power flow

* total electricity system optimisation


and has models for:

* meshed multiply-connected AC and DC networks

* conventional dispatchable generators

* generators with time-varying power availability

* storage units with efficiency losses

* simple hydroelectricity with inflow and spillage


There are some screenshots and example Jupyter notebooks here:

http://pypsa.org/index.html#screenshots-and-example-jupyter-ipython-notebooks

including optimal power flow with SciGRID's network model of Germany
followed by full Newton-Raphson load flow.

The code is on github:

https://github.com/FRESNA/PyPSA


PyPSA is basically a mutant child of pypower, pandas and pyomo.

It's still rough around the edges, so any feedback/comment is much
appreciated! Also if you get stuck, just drop us a line.


All the best,

Tom


--
Tom Brown
Frankfurt Institute of Advanced Studies
https://fias.uni-frankfurt.de/physics/schramm/complex-renewable-energy-networks/
Personal site: http://www.nworbmot.org
Phone: +49 69 798 47693

[Wiegmans, B.D.]

Hi Tom,

That is really cool. I've been using PyPower before.

I see you're have examples of the SciGRID model.I've been working with the SciGRID team to get an improved method of topology derivation, and in doing so I've also looked at a way to calculate power flows on the network. I found that it was impossible without realistic generator and load information. I'm curious how you acquired this information.

Anyway, thanks for the update. It looks really interesting.

Regards,

Bart

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[Tom Brown]

Hi Bart,

There's an iPython notebook which shows how load and generation were
attached here:

http://pypsa.org/examples/add_load_gen_to_scigrid.html

All the data sources are openly available but not necessarily with open
licences; they have to be downloaded separately. For use with the
SciGRID example, there is an aggregated/cleansed form of the data for
SciGRID in the PyPSA github repo
examples/opf-scigrid-de/scigrid-with-load-gen.

Unfortunately our python libraries which match the load and generation
to each SciGRID node with voronoi cells etc are not get online, but we
are happy to share them privately.

Best,

Tom

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