def run(self, P_req, Q_req, initSOC, t, dt, ts):
# ExecuteFleet(self, Steps, Timestep, P_request, Q_request, forecast):
# run(self, P_req=[0], Q_req=[0], ts=datetime.utcnow(), del_t=timedelta(hours=1)):
# Give the code the capability to respond to None requests
if P_req == None:
P_req = 0
if Q_req == None:
Q_req = 0
P_togrid = 0
P_service = 0
P_base = 0
P_service_max = 0
self.P_request_perWH = P_req / self.numWH # this is only for the first step
number = 0 # index for running through all the water heaters
NumDevicesToCall = 0
P_service_max0 = 0
# decision making about which water heater to call on for service, check if available at last step, if so then
# check for SoC > self.minSOC and Soc < self.maxSOC
for n in range(self.numWH):
if self.P_request_perWH < 0 and self.IsAvailableAdd[
n] > 0 and self.SOC[n] < self.maxSOC:
NumDevicesToCall += 1
elif self.P_request_perWH > 0 and self.IsAvailableShed[
n] > 0 and self.SOC[n] > self.minSOC:
NumDevicesToCall += 1
if P_req != None:
self.P_request_perWH = P_req / max(
NumDevicesToCall, 1
) # divide the fleet request by the number of devices that can be called upon
# create a .csv outputfile with each water heater's metrics
# outputfilename = join(self.base_path,"WH_fleet_outputs.csv")
# self.outputfile = open(outputfilename,"w")
# self.outputfile.write("Timestep,")
# create a .csv outputfile with P_service, P_togrid, and P_base
# outputfilename = join(self.base_path,"WH_fleet_outputs.csv")
#################################
for wh in self.whs: # loop through all water heaters
if P_req == None:
response = wh.execute(
self.TtankInitial[number], self.TtankInitial_b[number],
self.TsetInitial[number], self.Tamb[number][0],
self.RHamb[number][0], self.Tmains[number][0],
self.draw[number][0], 0, self.Type, self.dt,
self.draw_fleet_ave[0], self.element_on_last)
P_service = 0
if P_req < 0 and self.IsAvailableAdd[number] > 0:
response = wh.execute(
self.TtankInitial[number], self.TtankInitial_b[number],
self.TsetInitial[number], self.Tamb[number][0],
self.RHamb[number][0], self.Tmains[number][0],
self.draw[number][0], P_req, self.Type, self.dt,
self.draw_fleet_ave[0], self.element_on_last)
P_req = P_req - response.Eservice
P_service += response.Eservice
elif P_req > 0 and self.IsAvailableShed[number] > 0:
response = wh.execute(
self.TtankInitial[number], self.TtankInitial_b[number],
self.TsetInitial[number], self.Tamb[number][0],
self.RHamb[number][0], self.Tmains[number][0],
self.draw[number][0], P_req, self.Type, self.dt,
self.draw_fleet_ave[0], self.element_on_last)
P_req = P_req + response.Eservice
P_service -= response.Eservice
#print("P_req = {}, P_service = {}, Eservice = {}".format(P_req,P_service,response.Eservice))
else:
response = wh.execute(
self.TtankInitial[number], self.TtankInitial_b[number],
self.TsetInitial[number], self.Tamb[number][0],
self.RHamb[number][0], self.Tmains[number][0],
self.draw[number][0], 0, self.Type, self.dt,
self.draw_fleet_ave[0], self.element_on_last)
# print('P_req = {}'.format(P_req))
# assign returned parameters to associated lists to be recorded
self.element_on_last[number] = response.ElementOn
self.TtankInitial[number] = response.Ttank
self.TtankInitial_b[number] = response.Ttank_b
self.SOC[number] = response.SOC
self.SOCb[number] = response.SOC_b
self.IsAvailableAdd[number] = response.IsAvailableAdd
self.IsAvailableShed[number] = response.IsAvailableShed
self.AvailableCapacityAdd[number] = response.AvailableCapacityAdd
self.AvailableCapacityShed[number] = response.AvailableCapacityShed
self.ServiceCallsAccepted[number] = response.ServiceCallsAccepted
self.ServiceProvided[number] = response.Eservice
'''
P_togrid -= response.Eused
P_base -= response.Pbase
if P_req <0 or P_req > 0:
P_response = (P_togrid - P_base)
else:
P_response = 0
'''
P_togrid -= response.Eused
P_base -= response.Pbase
# self.outputfile.write(str(response.Ttank) +"," + str(self.TsetInitial[number]) + "," + str(response.Eused) + "," + str(response.PusedMax) + "," + str(response.Eloss) + "," + str(response.ElementOn) + "," + str(response.Eservice) + "," + str(response.SOC) + "," + str(response.AvailableCapacityAdd) + "," + str(response.AvailableCapacityShed) + "," + str(response.ServiceCallsAccepted) + "," + str(response.IsAvailableAdd) + "," + str(response.IsAvailableShed) + "," + str(self.draw[number][0]) + "," + str(response.Edel) + ",")
# resp.sim_step = response.sim_step
number += 1 # go to next device
if P_req <= 0:
P_service_max += response.AvailableCapacityShed # NOTE THIS ASSUMES THE MAX SERVICE IS LOAD SHED
else:
P_service_max0 += response.AvailableCapacityAdd
P_service_max = -1.0 * P_service_max0
# self.outputfile.write("\n")
self.step += 1 # To advance the step by step in the disturbance file
# Output Fleet Response
resp = FleetResponse()
resp.P_service = []
resp.P_service_max = []
resp.P_service_min = []
resp.P_togrid = []
resp.P_togrid_max = []
resp.P_togrid_min = []
resp.P_forecast = []
resp.P_base = []
resp.E = []
resp.C = []
resp.ts = ts
resp.sim_step = dt
# resp.P_dot_up = resp.P_togrid_max / ServiceRequest.Timestep.seconds
resp.P_service_max = P_service_max
resp.P_service = P_service
resp.P_base = P_base
resp.P_togrid = P_togrid
# if P_service != 0:
# print("resp.P_base = {}".format(resp.P_base))
# print("Pbase = {}".format(resp.P_base))
# print("Ptogrid = {}".format(resp.P_togrid))
# Available Energy stored at the end of the most recent timestep
# resp.E += response.Estored
resp.E = 0
resp.C += response.SOC / (self.numWH)
resp.Q_togrid = 'NA'
resp.Q_service = 'NA'
resp.Q_service_max = 'NA'
resp.Q_service_min = 'NA'
resp.Q_togrid_min = 'NA'
resp.Q_togrid_max = 'NA'
resp.Q_dot_up = 'NA'
resp.Q_dot_down = 'NA'
resp.P_dot_up = 0
resp.P_dot_down = 0
resp.Eff_charge = 1.0 # TODO: change this if we ever use a HPWH to use the HP efficiency
resp.Eff_discharge = 1.0 # always equal to 1 for this device
resp.P_dot = resp.P_togrid / dt
resp.P_service_min = 0
resp.dT_hold_limit = 'NA'
resp.T_restore = 'NA'
resp.Strike_price = 'NA'
resp.SOC_cost = 'NA'
# TotalServiceProvidedPerTimeStep[step] = -1.0*self.P_service # per time step for all hvacs -1.0*
"""
Modify the power and SOC of the different subfeets according
to the frequency droop regulation according to IEEE standard
"""
if self.FW21_Enabled and self.is_autonomous:
power_ac = resp.P_service_max
p_prev = resp.P_togrid
power_fleet = self.frequency_watt(power_ac, p_prev, self.ts,
self.location,
self.db_UF_subfleet,
self.db_OF_subfleet)
power_fleet, SOC_step = self.update_soc_due_to_frequency_droop(
initSOC, power_fleet, dt)
self.time = t + dt
self.ts = self.ts + timedelta(seconds=dt)
# Restart time if it surpasses 24 hours
if self.time > 24 * 3600:
self.time = self.time - 24 * 3600
# Impact Metrics
# Update the metrics
'''
Ttotal = 0
SOCTotal = 0
self.cycle_basee = np.sum(self.cycle_off_base)
self.cycle_basee += np.sum(self.cycle_on_base)
self.cycle_grid = np.sum(self.cycle_off_grid)
self.cycle_grid += np.sum(self.cycle_on_grid)
'''
for number in range(self.numWH):
if response.Ttank <= self.TsetInitial[
number] - 10: # assume 10F deadband (consistent with wh.py)
self.unmet_hours += 1 * self.sim_step / 3600.0
if resp.P_base == 0 and resp.P_togrid == 0:
self.ratio_P_togrid_P_base = 1.0
elif resp.P_base == 0 and resp.P_togrid != 0:
self.ratio_P_togrid_P_base = 'NA'
else:
self.ratio_P_togrid_P_base = resp.P_togrid / (resp.P_base)
self.energy_impacts += abs(resp.P_service) * (self.sim_step / 3600)
return resp
def run(self, P_req, Q_req, initSOC, t, dt, ts):
#ExecuteFleet(self, Steps, Timestep, P_request, Q_request, forecast):
# run(self, P_req=[0], Q_req=[0], ts=datetime.utcnow(), del_t=timedelta(hours=1)):
# Give the code the capability to respond to None requests
if P_req == None:
P_req = 0
if Q_req == None:
Q_req = 0
# run through fleet once as a forecast just to get initial conditions
number = 0 # run through all the devices
servsum = 0
servmax = 0
servmax2 = 0
NumDevicesToCall = 0
p_togrid = 0
p_service = 0
p_base = 0
service_max = 0
service_min = 0
# laststep = step - 1
# decision making about which RF to call on for service, check if available at last step, if so then
# check for SoC > self.minSOC and Soc < self.maxSOC
P_request_perRF = P_req/max(NumDevicesToCall,1) #divide the fleet request by the number of devices that can be called upon
for n in range(self.numRF):
if P_request_perRF < 0 and self.IsAvailableAdd[n] > 0:
NumDevicesToCall += 1
elif P_request_perRF > 0 and self.IsAvailableShed[n] > 0:
NumDevicesToCall += 1
P_request_perRF = P_req/max(NumDevicesToCall,1) #divide the fleet request by the number of devices that can be called upon
#################################
for rfdg in self.RFs: #loop through all RFs
TsetLast = self.TsetInitial[number]
TairLastB = self.TairInitialB[number]
TfoodLastB = self.TfoodInitialB[number]
TcaseLastB = self.TcaseInitialB[number]
TairLast = self.TairInitial[number]
TfoodLast = self.TfoodInitial[number]
TcaseLast = self.TcaseInitial[number]
if P_req<0 and self.IsAvailableAdd[number] > 0 :
# For step >=1, can use last step temperature...
response = rfdg.FRIDGE(TairLastB, TfoodLastB, TcaseLastB, TairLast, TfoodLast, TcaseLast, TsetLast, self.Tamb[number][self.step], self.R_case[number], self.R_food[number], self.R_infil[number],
self.C_case[number], self.C_food[number], self.C_air[number], P_request_perRF, dt,
self.elementOnB[number], self.elementOn[number], self.lockonB[number], self.lockoffB[number], self.lockon[number], self.lockoff[number],
self.cycle_off_base[number], self.cycle_on_base[number], self.cycle_off_grid[number], self.cycle_on_grid[number])
P_req = P_req - response.Eservice
if P_req >= 0: # all the service request has been met
P_req = 0
elif P_req>0 and self.IsAvailableShed[number] > 0 :
# For step >=1, can use last step temperature...
response = rfdg.FRIDGE(TairLastB, TfoodLastB, TcaseLastB, TairLast, TfoodLast, TcaseLast, TsetLast, self.Tamb[number][self.step], self.R_case[number], self.R_food[number], self.R_infil[number],
self.C_case[number], self.C_food[number], self.C_air[number], P_request_perRF, dt,
self.elementOnB[number], self.elementOn[number], self.lockonB[number], self.lockoffB[number], self.lockon[number], self.lockoff[number],
self.cycle_off_base[number], self.cycle_on_base[number], self.cycle_off_grid[number], self.cycle_on_grid[number])
P_req = P_req - response.Eservice
if P_req <= 0: # all the service request has been met
P_req = 0
# break
else:
response = rfdg.FRIDGE(TairLastB, TfoodLastB, TcaseLastB, TairLast, TfoodLast, TcaseLast, TsetLast, self.Tamb[number][self.step], self.R_case[number], self.R_food[number], self.R_infil[number],
self.C_case[number], self.C_food[number], self.C_air[number], 0, dt,
self.elementOnB[number], self.elementOn[number], self.lockonB[number], self.lockoffB[number], self.lockon[number], self.lockoff[number],
self.cycle_off_base[number], self.cycle_on_base[number], self.cycle_off_grid[number], self.cycle_on_grid[number])
# assign returned parameters to associated lists to be recorded
self.TsetInitial[number] = response.Tset
self.TairInitialB[number] = response.TairB
self.TfoodInitialB[number] = response.TfoodB
self.TcaseInitialB[number] = response.TcaseB
self.elementOnB[number] = response.ElementOnB
self.TairInitial[number] = response.Tair
self.TfoodInitial[number] = response.Tfood
self.TcaseInitial[number] = response.Tcase
self.elementOn[number] = response.ElementOn
self.lockonB[number] = response.lockonB
self.lockoffB[number] = response.lockoffB
self.lockon[number] = response.lockon
self.lockoff[number] = response.lockoff
self.cycle_off_base[number] = response.cycle_off_base
self.cycle_on_base[number] = response.cycle_on_base
self.cycle_off_grid[number] = response.cycle_off_grid
self.cycle_on_grid[number] = response.cycle_on_grid
self.SOC[number] = response.SOC
self.SOCb[number] = response.SOC_b
self.IsAvailableAdd[number] = response.IsAvailableAdd
self.IsAvailableShed[number] = response.IsAvailableShed
self.AvailableCapacityAdd[number] = response.AvailableCapacityAdd
self.AvailableCapacityShed[number] = response.AvailableCapacityShed
self.ServiceCallsAccepted[number] = response.ServiceCallsAccepted
self.ServiceProvided[number] = response.Eservice
p_togrid += response.Eused
# resp.P_togrid_max += response.PusedMax
# resp.P_togrid_min += response.PusedMin
p_service += response.Eservice #Eused/10 #Eservice
p_base += response.Pbase
# FleetResponse.sim_step = response.sim_step
number += 1 # go to next device
if P_req>=0:
service_max += response.AvailableCapacityShed # NOTE THIS ASSUMES THE MAX SERVICE IS LOAD SHED
else:
service_min += response.AvailableCapacityAdd # NOTE THIS ASSUMES THE MIN SERVICE IS LOAD ADD
self.step += 1
# Output Fleet Response
resp = FleetResponse()
# Positive Prequest means reducing power consumption
resp.ts = ts
resp.sim_step = timedelta(seconds=dt)
resp.P_service = []
resp.P_service_max = [] # positive only?
resp.P_service_min = []
resp.P_togrid = []
resp.P_togrid_max = []
resp.P_togrid_min = []
resp.P_forecast = []
resp.P_base = []
resp.E = []
resp.C = []
# resp.P_dot_up = resp.P_togrid_max / ServiceRequest.Timestep.seconds
resp.P_service = p_service
resp.P_service_max = service_max # positive decrease loads
resp.P_service_min = service_min # negative increase loasd
resp.P_base = -p_base
resp.P_togrid = -p_togrid
resp.P_togrid_max = -(p_base-service_max)
resp.P_togrid_min = -(p_base-service_min)
resp.E = 0
resp.C = 0 # response.SOC/(self.numRF)
resp.Q_togrid = 'NA'
resp.Q_service = 'NA'
resp.Q_service_max = 'NA'
resp.Q_service_min = 'NA'
resp.Q_togrid_min = 'NA'
resp.Q_togrid_max = 'NA'
resp.Q_dot_up = 'NA'
resp.Q_dot_down = 'NA'
resp.P_dot_up = 0
resp.P_dot_down = 0
resp.dT_hold_limit = 'NA'
resp.T_restore = 'NA'
resp.Strike_price = 'NA'
resp.SOC_cost = 'NA'
# TotalServiceProvidedPerTimeStep[step] = -1.0*self.P_service # per time step for all hvacs -1.0*
"""
Modify the power and SOC of the different subfeets according
to the frequency droop regulation according to IEEE standard
"""
if self.FW21_Enabled and self.is_autonomous:
power_ac = resp.P_service_max
p_prev = resp.P_togrid
power_fleet = self.frequency_watt(power_ac, p_prev, self.ts, self.location, self.db_UF_subfleet, self.db_OF_subfleet)
power_fleet_step, SOC_step = self.update_soc_due_to_frequency_droop(initSOC, power_fleet, dt)
self.time = t + dt
self.ts = self.ts + timedelta(seconds = dt)
# Restart time if it surpasses 24 hours
if self.time > 24*3600:
self.time = self.time - 24*3600
# Impact Metrics
# Update the metrics
Ttotal = 0
SOCTotal = 0
self.cycle_basee = np.sum(self.cycle_off_base)
self.cycle_basee += np.sum(self.cycle_on_base)
self.cycle_grid = np.sum(self.cycle_off_grid)
self.cycle_grid += np.sum(self.cycle_on_grid)
for numberr in range(self.numRF-1):
if self.TairInitial[numberr]>=self.TsetInitial[numberr] + 3: #assume 2F, self.deadband
self.unmet_hours += 1*self.sim_step/3600.0
self.ave_TairB = np.average(self.TairInitialB)
self.ave_Tair = np.average(self.TairInitial)
self.SOCb_metric = np.average(self.SOCb)
self.SOC_metric = np.average(self.SOC)
self.unmet_hours = self.unmet_hours/self.numRF
self.ratio_P_togrid_P_base = resp.P_togrid/(resp.P_base)
self.energy_impacts += abs(resp.P_service)*(self.sim_step/3600)
return resp