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simplify_network: Add simplification cost updates

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Depends on pypsa commit https://github.com/PyPSA/PyPSA/commit/9ec406252add1b6
This commit is contained in:
Jonas Hörsch 2018-10-27 03:41:38 +02:00
parent f87d7d9f94
commit 9c64034950
2 changed files with 37 additions and 4 deletions
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1
Snakefile
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@ -155,6 +155,7 @@ rule add_electricity:
rule simplify_network:
input:
network='networks/{network}.nc',
tech_costs=COSTS,
regions_onshore="resources/regions_onshore.geojson",
regions_offshore="resources/regions_offshore.geojson"
output:

40
scripts/simplify_network.py
View File

@ -10,7 +10,7 @@ import os
import re
import numpy as np
import scipy as sp
from scipy.sparse.csgraph import connected_components
from scipy.sparse.csgraph import connected_components, dijkstra
import xarray as xr
import geopandas as gpd
import shapely
@ -26,6 +26,7 @@ from pypsa.networkclustering import (busmap_by_stubs, busmap_by_kmeans,
aggregategenerators, aggregateoneport)
from cluster_network import clustering_for_n_clusters, cluster_regions
from add_electricity import load_costs
def simplify_network_to_380(n):
## All goes to v_nom == 380
@ -62,7 +63,22 @@ def simplify_network_to_380(n):
return n, trafo_map
def _aggregate_and_move_components(n, busmap, aggregate_one_ports={"Load", "StorageUnit"}):
def _adjust_costs_using_distance(n, distance):
costs = load_costs(n.snapshot_weightings.sum() / 8760, snakemake.input.tech_costs,
snakemake.config['costs'], snakemake.config['electricity'])
for tech in snakemake.config['renewable']:
if tech + "-grid-perlength" in costs.index:
cost_perlength = costs.at[tech + "-grid-perlength", "capital_cost"]
tech_b = n.generators.carrier == tech
generator_distance = n.generators.loc[tech_b, ["bus"]].join(distance.rename("distance"), on="bus")['distance'].loc[lambda s: s>0]
if not generator_distance.empty:
n.generators.loc[generator_distance.index, "capital_cost"] += cost_perlength * generator_distance
logger.info("Displacing generator(s) {}; capital_cost is adjusted accordingly"
.format(", ".join("`{}` by {:.0f}km".format(b, d) for b, d in generator_distance.iteritems())))
def _aggregate_and_move_components(n, busmap, distance, aggregate_one_ports={"Load", "StorageUnit"}):
def replace_components(n, c, df, pnl):
n.mremove(c, n.df(c).index)
@ -71,6 +87,8 @@ def _aggregate_and_move_components(n, busmap, aggregate_one_ports={"Load", "Stor
if not df.empty:
import_series_from_dataframe(n, df, c, attr)
_adjust_costs_using_distance(n, distance)
generators, generators_pnl = aggregategenerators(n, busmap)
replace_components(n, "Generator", generators, generators_pnl)
@ -127,6 +145,8 @@ def simplify_links(n):
seen.add(u)
busmap = n.buses.index.to_series()
distance = pd.Series(0., n.buses.index)
adjacency_matrix = n.adjacency_matrix(weights=pd.concat(dict(Link=n.links.length, Line=pd.Series(0., n.lines.index))))
for lbl in labels.value_counts().loc[lambda s: s > 2].index:
@ -139,6 +159,9 @@ def simplify_links(n):
m = sp.spatial.distance_matrix(n.buses.loc[b, ['x', 'y']],
n.buses.loc[buses[1:-1], ['x', 'y']])
busmap.loc[buses] = b[np.r_[0, m.argmin(axis=0), 1]]
dist = dijkstra(adjacency_matrix, directed=False, indices=n.buses.index.get_indexer(buses))
distance.loc[buses] += [dist[i,j] for i, j in enumerate(n.buses.index.get_indexer(busmap.loc[buses]))]
all_links = [i for _, i in sum(links, [])]
p_max_pu = snakemake.config['links'].get('p_max_pu', 1.)
@ -168,14 +191,23 @@ def simplify_links(n):
logger.debug("Collecting all components using the busmap")
_aggregate_and_move_components(n, busmap)
_aggregate_and_move_components(n, busmap, distance)
return n, busmap
def remove_stubs(n):
logger.info("Removing stubs")
busmap = busmap_by_stubs(n, ['country'])
_aggregate_and_move_components(n, busmap)
indices, = np.where(busmap.index != busmap.values)
buses = busmap.index[indices]
adjacency_matrix = n.adjacency_matrix(busorder=busmap.index, weights=pd.concat(dict(Link=n.links.length, Line=pd.Series(0., n.lines.index))))
dist = dijkstra(adjacency_matrix, directed=False, indices=indices)
distance = pd.Series(dist[np.arange(len(indices)), busmap.index.get_indexer(busmap.iloc[indices])], buses)
logger.info("The following offshore buses are displaced: {}"
.format(", ".join("{} by {:.0f}".format(b, d) for b,d in distance.loc[offwind_buses].iteritems())))
_aggregate_and_move_components(n, busmap, distance)
return n, busmap