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data_extractors.py
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# ___________________________________________________________________________
#
# Prescient
# Copyright 2020 National Technology & Engineering Solutions of Sandia, LLC
# (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
# Government retains certain rights in this software.
# This software is distributed under the Revised BSD License.
# ___________________________________________________________________________
from __future__ import annotations
from typing import TYPE_CHECKING
if TYPE_CHECKING:
from typing import Iterable
from prescient.engine.abstract_types import *
import numpy as np
from prescient.util.math_utils import round_small_values
from prescient.engine.data_extractors import ScedDataExtractor as BaseScedExtractor
from prescient.engine.data_extractors import RucDataExtractor as BaseRucExtractor
class ScedDataExtractor(BaseScedExtractor):
def get_sced_duration_minutes(self, sced: OperationsModel) -> int:
return sced.data['system']['time_period_length_minutes']
def get_buses(self, sced: OperationsModel) -> Iterable[B]:
return sced.data['elements']['bus'].keys()
def get_loads(self, sced: OperationsModel) -> Iterable[L]:
return sced.data['elements']['load'].keys()
def get_transmission_lines(self, sced: OperationsModel) -> Iterable[L]:
return sced.data['elements']['branch'].keys()
def get_all_storage(self, sced: OperationsModel) -> Iterable[S]:
return sced.data['elements']['storage'].keys()
def get_all_generators(self, sced: OperationsModel) -> Iterable[G]:
return sced.data['elements']['generator'].keys()
def get_thermal_generators(self, sced: OperationsModel) -> Iterable[G]:
return (g for g,_ in \
sced.elements(element_type='generator', generator_type='thermal'))
def get_virtual_generators(self, sced: OperationsModel) -> Iterable[G]:
return (g for g,_ in \
sced.elements(element_type='generator', generator_type='virtual'))
def get_nondispatchable_generators(self, sced: OperationsModel) -> Iterable[G]:
return (g for g,_ in \
sced.elements(element_type='generator', generator_type='renewable'))
def get_thermal_generators_at_bus(self, sced: OperationsModel, b: B) -> Iterable[G]:
return (g for g,_ in \
sced.elements(element_type='generator', generator_type='thermal', bus=b))
def get_virtual_generators_at_bus(self, sced: OperationsModel, b: B) -> Iterable[G]:
return (g for g,_ in \
sced.elements(element_type='generator', generator_type='virtual', bus=b))
def get_nondispatchable_generators_at_bus(self, sced: OperationsModel, b: B) -> Iterable[G]:
return (g for g,_ in \
sced.elements(element_type='generator', generator_type='renewable', bus=b))
def get_quickstart_generators(self, sced: OperationsModel) -> Iterable[G]:
return (g for g,_ in \
sced.elements(element_type='generator', fast_start=True))
def get_generator_bus(self, sced: OperationsModel, g: G) -> B:
return sced.data['elements']['generator'][g]['bus']
def is_generator_on(self, sced: OperationsModel, g: G) -> bool:
g_dict = sced.data['elements']['generator'][g]
if 'fixed_commitment' in g_dict:
return g_dict['fixed_commitment']['values'][0] > 0
elif 'commitment' in g_dict:
return g_dict['commitment']['values'][0] > 0
else:
raise RuntimeError(f"Can't find commitment status for generator {g}")
def generator_was_on(self, sced: OperationsModel, g: G) -> bool:
return sced.data['elements']['generator'][g]['initial_status'] > 0
def get_fixed_costs(self, sced: OperationsModel) -> float:
total = 0.
for g,g_dict in sced.elements(element_type='generator', generator_type='thermal'):
total += g_dict['commitment_cost']['values'][0]
return total
def get_variable_costs(self, sced: OperationsModel) -> float:
total = 0.
for g,g_dict in sced.elements(element_type='generator', generator_type='thermal'):
total += g_dict['production_cost']['values'][0]
return total
def get_power_generated(self, sced: OperationsModel, g: G) -> float:
return sced.data['elements']['generator'][g]['pg']['values'][0]
def get_power_generated_T0(self, sced: OperationsModel, g: G) -> float:
return sced.data['elements']['generator'][g]['initial_p_output']
def get_load_mismatch(self, sced: OperationsModel, b: B) -> float:
return sced.data['elements']['bus'][b]['p_balance_violation']['values'][0]
def get_positive_load_mismatch(self, sced: OperationsModel, b: B):
val = self.get_load_mismatch(sced, b)
if val > 0:
return val
return 0
def get_negative_load_mismatch(self, sced: OperationsModel, b: B):
val = self.get_load_mismatch(sced, b)
if val < 0:
return -val
return 0
def get_max_power_output(self, sced: OperationsModel, g: G) -> float:
p_max = sced.data['elements']['generator'][g]['p_max']
if isinstance(p_max, dict):
p_max = p_max['values'][0]
return p_max
def get_max_power_available(self, sced: OperationsModel, g: G) -> float:
gdata = sced.data['elements']['generator'][g]
val = gdata['headroom']['values'][0] \
+ self.get_power_generated(sced, g)*int(self.is_generator_on(sced,g))
if 'rg' in gdata:
val += sced.data['elements']['generator'][g]['rg']['values'][0]
return val
def get_thermal_headroom(self, sced: OperationsModel, g: G) -> float:
gdata = sced.data['elements']['generator'][g]
val = gdata['headroom']['values'][0]
if 'rg' in gdata:
val += gdata['rg']['values'][0]
return val
def get_min_downtime(self, sced: OperationsModel, g: G) -> float:
return sced.data['elements']['generator'][g]['min_up_time']
def get_scaled_startup_ramp_limit(self, sced: OperationsModel, g: G) -> float:
return sced.data['elements']['generator'][g]['startup_capacity']
def get_generator_fuel(self, sced: OperationsModel, g: G) -> str:
return sced.data['elements']['generator'][g].get('fuel', 'Other')
def get_reserve_shortfall(self, sced: OperationsModel) -> float:
if 'reserve_shortfall' in sced.data['system']:
return round_small_values(sced.data['system']['reserve_shortfall']['values'][0])
else:
return 0.
def get_max_nondispatchable_power(self, sced: OperationsModel, g: G) -> float:
p_max = sced.data['elements']['generator'][g]['p_max']
if isinstance(p_max, dict):
p_max = p_max['values'][0]
return p_max
def get_min_nondispatchable_power(self, sced: OperationsModel, g: G) -> float:
p_min = sced.data['elements']['generator'][g]['p_min']
if isinstance(p_min, dict):
p_min = p_min['values'][0]
return p_min
def get_nondispatchable_power_used(self, sced: OperationsModel, g: G) -> float:
return sced.data['elements']['generator'][g]['pg']['values'][0]
def get_total_demand(self, sced: OperationsModel) -> float:
total = 0.
for l, l_dict in sced.elements(element_type='load'):
total += l_dict['p_load']['values'][0]
return total
def get_reserve_requirement(self, sced: OperationsModel) -> float:
if 'reserve_requirement' in sced.data['system']:
return sced.data['system']['reserve_requirement']['values'][0]
else:
return 0.
def get_generator_cost(self, sced: OperationsModel, g: G) -> float:
return sced.data['elements']['generator'][g]['commitment_cost']['values'][0] + \
sced.data['elements']['generator'][g]['production_cost']['values'][0]
def get_flow_level(self, sced: OperationsModel, line: L) -> float:
return sced.data['elements']['branch'][line]['pf']['values'][0]
def get_bus_mismatch(self, sced: OperationsModel, bus: B) -> float:
return self.get_load_mismatch(sced, bus)
def get_storage_input_dispatch_level(self, sced: OperationsModel, storage: S) -> float:
return sced.data['elements']['storage'][s]['p_charge']['values'][0]
def get_storage_output_dispatch_level(self, sced: OperationsModel, storage: S) -> float:
return sced.data['elements']['storage'][s]['p_discharge']['values'][0]
def get_storage_soc_dispatch_level(self, sced: OperationsModel, storage: S) -> float:
return sced.data['elements']['storage'][s]['state_of_charge']['values'][0]
def get_storage_type(self, sced: OperationsModel, storage: S) -> str:
if 'fuel' in sced.data['elements']['storage'][s]:
return sced.data['elements']['storage'][s]['fuel']
return 'Other'
def get_bus_demand(self, sced: OperationsModel, bus: B) -> float:
''' get the demand on a bus in a given time period '''
return sced.data['elements']['bus'][bus]['pl']['values'][0]
def get_load_bus(self, sced: OperationsModel, load: L) -> float:
''' get the bus associated with a given load '''
return sced.data['elements']['load'][load]['bus']
def get_load_demand(self, sced: OperationsModel, load: L) -> float:
''' get the demand associated with a load in a given time period '''
return sced.data['elements']['load'][load]['p_load']['values'][0]
def get_reserve_RT_price(self, lmp_sced: OperationsModel) -> float:
if 'reserve_price' in lmp_sced.data['system']:
return lmp_sced.data['system']['reserve_price']['values'][0]
else:
return 0.
def get_bus_LMP(self, lmp_sced: OperationsModel, bus: B) -> float:
return lmp_sced.data['elements']['bus'][bus]['lmp']['values'][0]
class RucDataExtractor(BaseRucExtractor):
"""
Extracts information from RUC instances
"""
def get_num_time_periods(self, ruc: RucModel) -> int:
''' Get the number of time periods for which data is available.
Time periods are numbered 1..N, where N is the value returned by this method.
'''
return len(ruc.data['system']['time_keys'])
def get_buses(self, ruc: RucModel) -> Iterable[B]:
''' Get all buses in the model '''
return ruc.data['elements']['bus'].keys()
def get_bus_demand(self, ruc: RucModel, bus: B, time: int) -> float:
''' get the demand on a bus in a given time period '''
return ruc.data['elements']['bus'][bus]['pl']['values'][time-1]
def get_nondispatchable_generators(self, ruc: RucModel) -> Iterable[G]:
return (g for g,_ in \
ruc.elements(element_type='generator', generator_type='renewable'))
def get_min_nondispatchable_power(self, ruc: RucModel, gen: G, time: int) -> float:
p_min = ruc.data['elements']['generator'][gen]['p_min']
if isinstance(p_min, dict):
p_min = p_min['values'][time-1]
return p_min
def get_max_nondispatchable_power(self, ruc: RucModel, gen: G, time: int) -> float:
p_max = ruc.data['elements']['generator'][gen]['p_max']
if isinstance(p_max, dict):
p_max = p_max['values'][time-1]
return p_max