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only consider relevant lines for line rating

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This commit is contained in:
Philipp Glaum 2021-12-21 07:36:59 +01:00
parent af4bccfb39
commit fba50492a5
3 changed files with 20 additions and 20 deletions
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10
Snakefile
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@ -222,11 +222,11 @@ if config['lines'].get('line_rating', False):
cutout="cutouts/" + config["lines"]['cutout'] + ".nc" cutout="cutouts/" + config["lines"]['cutout'] + ".nc"
output: output:
output="resources/line_rating.nc" output="resources/line_rating.nc"
log: "logs/build_line_rating.log" log: "logs/build_line_rating.log"
benchmark: "benchmarks/build_line_rating" benchmark: "benchmarks/build_line_rating"
threads: 1 threads: ATLITE_NPROCESSES
#resources: mem=3000 resources: mem=ATLITE_NPROCESSES * 1000
script: "scripts/build_line_rating.py" script: "scripts/build_line_rating.py"
rule add_electricity: rule add_electricity:
input: input:

5
scripts/add_electricity.py
View File

@ -541,9 +541,8 @@ def estimate_renewable_capacities(n, tech_map=None):
def attach_line_rating(n): def attach_line_rating(n):
if snakemake.config["lines"]["line_rating"]: if snakemake.config["lines"]["line_rating"]:
s=xr.open_dataarray(snakemake.input.line_rating) s_max=xr.open_dataarray(snakemake.input.line_rating).to_pandas().transpose()
n.lines_t.s_max_pu=s.to_pandas().transpose()/n.lines.s_nom n.lines_t.s_max_pu=s_max/n.lines.loc[s_max.columns,:]['s_nom'] #only considers overhead lines
n.lines_t.s_max_pu.replace(np.inf, 1.0, inplace=True)
def add_nice_carrier_names(n, config=None): def add_nice_carrier_names(n, config=None):
if config is None: config = snakemake.config if config is None: config = snakemake.config

23
scripts/build_line_rating.py
View File

@ -60,29 +60,30 @@ import atlite
import xarray as xr import xarray as xr
def add_line_rating(n): def calculate_line_rating(n):
buses = n.lines[["bus0", "bus1"]].values relevant_lines=n.lines[(n.lines['underground']==False) & (n.lines['under_construction']==False)]
buses = relevant_lines[["bus0", "bus1"]].values
x = n.buses.x x = n.buses.x
y = n.buses.y y = n.buses.y
shapes = [Line([Point(x[b0], y[b0]), Point(x[b1], y[b1])]) for (b0, b1) in buses] shapes = [Line([Point(x[b0], y[b0]), Point(x[b1], y[b1])]) for (b0, b1) in buses]
shapes = gpd.GeoSeries(shapes, index=n.lines.index) shapes = gpd.GeoSeries(shapes, index=relevant_lines.index)
cutout = atlite.Cutout(snakemake.input.cutout) cutout = atlite.Cutout(snakemake.input.cutout)
da = xr.DataArray(data=np.sqrt(3) * cutout.line_rating(shapes, n.lines.r/n.lines.length) * 1e3, if relevant_lines.r_pu.eq(0).all():
attrs=dict(description="Maximal possible power for given line considering line rating")) # in MW #Overwrite standard line resistance with line resistance obtained from line type
relevant_lines["r_pu"]=relevant_lines.join(n.line_types["r_per_length"], on=["type"])['r_per_length']/1000 #in meters
Imax=cutout.line_rating(shapes, relevant_lines.r_pu)
da = xr.DataArray(data=np.sqrt(3) * Imax * relevant_lines["v_nom"].values.reshape(-1,1) * relevant_lines["num_parallel"].values.reshape(-1,1)/1e3, #in mW
attrs=dict(description="Maximal possible power in MW for given line considering line rating"))
return da return da
#import netcdf file in add electricity.py
#n.lines_t.s_max_pu=s.to_pandas().transpose()/n.lines.s_nom
#n.lines_t.s_max_pu.replace(np.inf, 1.0, inplace=True)
if __name__ == "__main__": if __name__ == "__main__":
if 'snakemake' not in globals(): if 'snakemake' not in globals():
from _helpers import mock_snakemake from _helpers import mock_snakemake
snakemake = mock_snakemake('build_line_rating', network='elec', simpl='', snakemake = mock_snakemake('build_line_rating', network='elec', simpl='',
clusters='5', ll='copt', opts='Co2L-BAU-CCL-24H') clusters='6', ll='copt', opts='Co2L-24H')
configure_logging(snakemake) configure_logging(snakemake)
n = pypsa.Network(snakemake.input.base_network) n = pypsa.Network(snakemake.input.base_network)
da=add_line_rating(n) da=calculate_line_rating(n)
da.to_netcdf(snakemake.output[0]) da.to_netcdf(snakemake.output[0])