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update calculate_line_rating function

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Philipp Glaum 2022-01-10 14:45:46 +01:00
parent d44283bc82
commit b05cddae77
1 changed files with 10 additions and 8 deletions
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16
scripts/build_line_rating.py
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@ -103,14 +103,16 @@ def calculate_line_rating(n):
cutout = atlite.Cutout(snakemake.input.cutout)
if relevant_lines.r_pu.eq(0).all():
#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
#Set default number of bundles per line
relevant_lines["n_bundle"]=1
R=relevant_lines.join(n.line_types["r_per_length"], on=["type"])['r_per_length']/1000 #in meters
#If line type with bundles is given retrieve number of conductors per bundle
if relevant_lines["type"].str.contains("bundle").all():
relevant_lines["n_bundle"]=relevant_lines["type"].apply(lambda x: int(re.findall(r"(\d+)-bundle", x)[0]))
Imax=cutout.line_rating(shapes, relevant_lines.r_pu, D=0.0218 ,Ts=353 , epsilon=0.8, alpha=0.8)
da = xr.DataArray(data=np.sqrt(3) * Imax * relevant_lines["v_nom"].values.reshape(-1,1) * np.sqrt(relevant_lines["n_bundle"].values.reshape(-1,1)) * relevant_lines["num_parallel"].values.reshape(-1,1)/1e3, #in mW
relevant_lines["n_bundle"]=relevant_lines["type"].where(relevant_lines["type"].str.contains("bundle")).dropna().apply(lambda x: int(re.findall(r"(\d+)-bundle", x)[0]))
#Set default number of bundles per line
relevant_lines["n_bundle"].fillna(1, inplace=True)
R*=relevant_lines["n_bundle"]
R=calculate_resistance(T=353, R_ref=R)
Imax=cutout.line_rating(shapes, R, D=0.0218 ,Ts=353 , epsilon=0.8, alpha=0.8)
line_factor= relevant_lines.eval("v_nom * n_bundle * num_parallel")/1e3
da = xr.DataArray(data=np.sqrt(3) * Imax * line_factor.values.reshape(-1,1), #in mW
attrs=dict(description="Maximal possible power in MW for given line considering line rating"))
return da