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{prepare,solve}_network: Don't add a line volume limit for lv1.0

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lv1.0 signifies lines being non-extendable!
This commit is contained in:
Jonas Hörsch 2018-02-19 10:11:58 +01:00
parent de5916eb57
commit 8d70766e72
2 changed files with 14 additions and 13 deletions
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25
scripts/prepare_network.py
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@ -45,21 +45,22 @@ def set_line_volume_limit(n, lv):
n.lines['capital_cost'] = 0.
n.links['capital_cost'] = 0.
lines_s_nom = n.lines.s_nom.where(
n.lines.type == '',
np.sqrt(3) * n.lines.num_parallel *
n.lines.type.map(n.line_types.i_nom) *
n.lines.bus0.map(n.buses.v_nom)
)
if lv > 1.0:
lines_s_nom = n.lines.s_nom.where(
n.lines.type == '',
np.sqrt(3) * n.lines.num_parallel *
n.lines.type.map(n.line_types.i_nom) *
n.lines.bus0.map(n.buses.v_nom)
)
n.lines['s_nom_min'] = lines_s_nom
n.links['p_nom_min'] = n.links['p_nom']
n.lines['s_nom_min'] = lines_s_nom
n.links['p_nom_min'] = n.links['p_nom']
n.lines['s_nom_extendable'] = True
n.links['p_nom_extendable'] = True
n.lines['s_nom_extendable'] = True
n.links['p_nom_extendable'] = True
n.line_volume_limit = lv * ((lines_s_nom * n.lines['length']).sum() +
n.links.loc[n.links.carrier=='DC'].eval('p_nom * length').sum())
n.line_volume_limit = lv * ((lines_s_nom * n.lines['length']).sum() +
n.links.loc[n.links.carrier=='DC'].eval('p_nom * length').sum())
return n

2
scripts/solve_network.py
View File

@ -181,7 +181,7 @@ def add_opts_constraints(n, opts=None):
n.model.safe_peakdemand = pypsa.opt.Constraint(expr=sum(n.model.generator_p_nom[gen] for gen in ext_gens_i) >= peakdemand - exist_conv_caps)
def add_lv_constraint(n):
line_volume = getattr(n, 'line_volume_limit')
line_volume = getattr(n, 'line_volume_limit', None)
if line_volume is not None and not np.isinf(line_volume):
n.model.line_volume_constraint = pypsa.opt.Constraint(
expr=((sum(n.model.passive_branch_s_nom["Line",line]*n.lines.at[line,"length"]