def __init__(self):
self.path_pss()
import psspy
import redirect
self._i = psspy.getdefaultint()
self._f = psspy.getdefaultreal()
self._s = psspy.getdefaultchar()
sys.path.append(r"""C:\Program Files (x86)\PTI\PSSE34\PSSPY27""")
os.environ['PATH'] = (r"C:\Program Files (x86)\PTI\PSSE34\PSSPY27;" +
os.environ['PATH'])
import psse34
import psspy
import redirect
import numpy
import math
import matplotlib as mpl
import matplotlib.pyplot as plt
import dyntools
# OPEN PSS
_i = psspy.getdefaultint()
_f = psspy.getdefaultreal()
_s = psspy.getdefaultchar()
redirect.psse2py()
psspy.psseinit(50000)
ierr = psspy.progress_output(6, ' ', [0, 0]) # disable output
ierr = psspy.prompt_output(6, ' ', [0, 0]) # disable output
ierr = psspy.report_output(6, ' ', [0, 0]) # disable output
# Set Simulation Path.
LoadScenario = "SimplifiedSystem"
ClauseName = "5.2.5.1 Reactive Power Capability"
ProgramPath = "F:/PosDoc Projects/11_Industrial Projects/NEOEN_HW/P_SimulationProgram/"
GridInfoPath = "F:/PosDoc Projects/11_Industrial Projects/NEOEN_HW/NEM_files/" + LoadScenario + "/"
HuaweiModelPath = "F:/PosDoc Projects/11_Industrial Projects/NEOEN_HW/D_HuaweiModels/34"
OutputFilePath = ProgramPath + "SimulationOutput.out"
FigurePath = "F:/PosDoc Projects/11_Industrial Projects/NEOEN_HW/R_Results/"
def main():
try:
''' Drives a PSS/E Dynamic simulation and returns values '''
##### Get everything set up on the PSSE side
redirect.psse2py()
#output = StringIO.StringIO()
with silence():
psspy.psseinit(buses=80000)
_i = psspy.getdefaultint()
_f = psspy.getdefaultreal()
_s = psspy.getdefaultchar()
"""
# Redirect any psse outputs to psse_log
psspy.report_output(2,psse_log,[0,0])
psspy.progress_output(2,psse_log,[0,0]) #ignored
psspy.alert_output(2,psse_log,[0,0]) #ignored
psspy.prompt_output(2,psse_log,[0,0]) #ignored
"""
k = 1
for rawFile in RawFileList:
# get the percentage loading from the raw file name
if rawFile == 'savnw_conp.raw':
PL = '100'
else:
rawFileName = rawFile.replace('.raw', '')
PL = rawFileName[-3:]
#Parameters. CONFIGURE THIS
settings = {
# use the same raw data in PSS/E and TS3ph #####################################
'filename':
rawFile, #use the same raw data in PSS/E and TS3ph
################################################################################
'dyr_file':
dyrFile,
'out_file':
'output2.out',
'pf_options': [
0, #disable taps
0, #disable area exchange
0, #disable phase-shift
0, #disable dc-tap
0, #disable switched shunts
0, #do not flat start
0, #apply var limits immediately
0, #disable non-div solution
]
}
##### Load Raw Datafile and do power flow
print "\n Reading raw file:", settings['filename']
# " Reading raw file: {0:s}".format('text')
FaultRpu = 1e-06
Sbase = 100.0
#FaultBusNomVolt = float(BusDataDict[FaultBus].NominalVolt)
#Zbase = FaultBusNomVolt**2/Sbase # float since Sbase is a float
#Rohm = FaultRpu*Zbase # fault impedance in ohms
##########################
# run nested loops to see if there are any abnormal low voltages
simCount = 0 # to keep track of how many simulations are already done
croppedHVLineSet = list(HVLineSet)
for line1 in croppedHVLineSet:
for line2 in croppedHVLineSet:
# stability_indicator = 1
# Bus_issues = [] # list of buses where issues (low voltage or high dv_dt) are reported
# the lines cannot be the same
if line1 == line2:
continue
# part to ensure there is no duplication of events
currentSet = line1 + ';' + line2
currentSetReverse = line2 + ';' + line1
# if case causes topology inconsistencies, continue
if currentSet in topology_inconsistent_set or currentSetReverse in topology_inconsistent_set:
continue
line1Elements = line1.split(',')
line2Elements = line2.split(',')
# Line 1 params
L1Bus1 = int(line1Elements[0])
L1Bus2 = int(line1Elements[1])
L1cktID = line1Elements[2].strip("'").strip()
# Line 2 params
L2Bus1 = int(line2Elements[0])
L2Bus2 = int(line2Elements[1])
L2cktID = line2Elements[2].strip("'").strip()
FaultBusList = [L2Bus1,
L2Bus2] # apply faults at both buses
for FaultBus in FaultBusList:
output = StringIO.StringIO()
with silence():
ierr = psspy.read(0, settings['filename'])
#This is for the power flow. I'll use the solved case instead
ierr = psspy.fnsl(settings['pf_options'])
##### Prepare case for dynamic simulation
# Load conversion (multiple-step)
psspy.conl(_i, _i, 1, [0, _i], [_f, _f, _f, _f])
# all constant power load to constant current, constant reactive power load to constant admittance
# standard practice for dynamic simulations, constant MVA load is not acceptable
psspy.conl(1, 1, 2, [_i, _i],
[100.0, 0.0, 0.0, 100.0])
psspy.conl(_i, _i, 3, [_i, _i], [_f, _f, _f, _f])
ierr = psspy.cong(0) #converting generators
ierr = psspy.ordr(
0
) #order the network nodes to maintain sparsity
ierr = psspy.fact(
) #factorise the network admittance matrix
ierr = psspy.tysl(0) #solving the converted case
ierr = psspy.dynamicsmode(0) #enter dynamics mode
print "\n Reading dyr file:", settings['dyr_file']
ierr = psspy.dyre_new([1, 1, 1, 1],
settings['dyr_file'])
ierr = psspy.docu(0, 1, [
0, 3, 1
]) #print the starting point of state variables
# select time step ##############################################################
ierr = psspy.dynamics_solution_params(
[_i, _i, _i, _i, _i, _i, _i, _i], [
_f, _f, 0.00833333333333333, _f, _f, _f,
_f, _f
],
'out_file') # the number here is the time step
################################################################################
##### select channels
ierr = psspy.delete_all_plot_channels(
) # clear channels
# get all the bus voltages, angles and frequencies
for bus in BusDataDict:
bus = int(bus)
ierr = psspy.voltage_and_angle_channel(
[-1, -1, -1, bus])
ierr = psspy.bus_frequency_channel([-1, bus])
eventStr = PL + '/' + line1 + ';' + line2 + '/F' + str(
FaultBus)
print 'Event: {}'.format(eventStr)
# get the nominal voltages as well as the fault impedance in ohms
FaultBusNomVolt = float(
BusDataDict[str(FaultBus)].NominalVolt)
Zbase = FaultBusNomVolt**2 / Sbase # float since Sbase is a float
Rohm = FaultRpu * Zbase # fault impedance in ohms
# run simulation till just before the fault
ResultsDict = {}
#output = StringIO.StringIO()
with silence(output):
ierr = psspy.strt(0, settings['out_file'])
ierr = psspy.run(0, 0.1, 1, 1, 1)
ierr = psspy.dist_branch_trip(
L1Bus1, L1Bus2, L1cktID)
#output = StringIO.StringIO()
with silence(output):
ierr = psspy.run(0, 0.2, 1, 1, 1) #fault on time
outputStr = output.getvalue()
if "Network not converged" in outputStr:
print 'For ' + eventStr + ':'
print 'Network did not converge between branch 1 trip and fault application, skipping...'
continue
#######
# check for convergence during fault
#output = StringIO.StringIO()
with silence(output):
ierr = psspy.dist_bus_fault(
FaultBus, 3, 0.0, [Rohm, 0.0])
ierr = psspy.run(0, 0.3, 1, 1, 1) #fault off time
ierr = psspy.dist_clear_fault(1)
outputStr = output.getvalue()
if "Network not converged" in outputStr:
print 'For ' + eventStr + ':'
print 'Network did not converge during fault, skipping...'
continue
# check for convergence between fault clearance and second branch trip
#output = StringIO.StringIO()
with silence(output):
ierr = psspy.run(0, 0.31, 1, 1, 1) #fault off time
ierr = psspy.dist_branch_trip(
L2Bus1, L2Bus2, L2cktID)
ierr = psspy.run(0, 0.35, 1, 1, 1) #fault off time
# check for non-convergence
#output = StringIO.StringIO()
outputStr = output.getvalue()
if "Network not converged" in outputStr:
print 'For ' + eventStr + ':'
print 'Network did not converge between fault clearance and branch 2 trip, skipping...'
continue
# select run time ##############################################################
output = StringIO.StringIO()
with silence(output):
ierr = psspy.run(
0, 10.0, 1, 1, 1
) #exit time (second argument is the end time)
################################################################################
# check for non-convergence
outputStr = output.getvalue()
if "Network not converged" in outputStr:
print 'For ' + eventStr + ':'
print 'Network did not converge sometime after 2nd branch trip, skipping...'
continue
outputData = dyntools.CHNF(settings['out_file'])
data = outputData.get_data()
channelDict = data[
1] # dictionary where the value is the channel description
valueDict = data[
2] # dictionary where the values are the signal values, keys match that of channelDict
tme = valueDict['time'] # get time
ResultsDict['time'] = tme
for key in channelDict:
if key == 'time':
continue
signalDescr = channelDict[key]
words = signalDescr.split()
signalType = words[0].strip()
bus = words[1].strip()
#print Bus + ' ' + signalType
if bus not in ResultsDict:
ResultsDict[bus] = Results()
if signalType == 'VOLT':
ResultsDict[bus].volt = valueDict[key]
elif signalType == 'ANGL':
ResultsDict[bus].angle = valueDict[key]
elif signalType == 'FREQ':
ResultsDict[bus].freq = valueDict[key]
EventsDict[eventStr] = ResultsDict
simCount += 1
print 'Simulation ' + str(simCount) + ' out of ' + str(
totalSims)
# Uncomment next two lines if you want to see the output
#with open('output'+str(k) + '.txt','w') as f:
# f.write(outputStr)
k += 1
save_obj(EventsDict, 'EventData')
except Exception:
traceback.print_exc(file=logfile)
sys.exit(0)
def runPSSESimBatches(simList, dyrFile, objName):
import sys, os
# add psspy to the system path
sys.path.append(r"C:\Program Files (x86)\PTI\PSSE33\PSSBIN")
os.environ['PATH'] = (r"C:\Program Files (x86)\PTI\PSSE33\PSSBIN;" +
os.environ['PATH'])
from contextlib import contextmanager
import StringIO
from getBusDataFn import getBusData
@contextmanager
def silence(file_object=None):
#Discard stdout (i.e. write to null device) or
#optionally write to given file-like object.
if file_object is None:
file_object = open(os.devnull, 'w')
old_stdout = sys.stdout
try:
sys.stdout = file_object
yield
finally:
sys.stdout = old_stdout
if file_object is None:
file_object.close()
# Local imports
import redirect
import psspy
import dyntools
# getting the raw file
##### Get everything set up on the PSSE side
redirect.psse2py()
#output = StringIO.StringIO()
with silence():
psspy.psseinit(buses=80000)
_i = psspy.getdefaultint()
_f = psspy.getdefaultreal()
_s = psspy.getdefaultchar()
# some important parameters
FaultRpu = 1e-06
Sbase = 100.0
EventsDict = {}
for event in simList:
eventWords = event.split('/')
RawFileIndicator = eventWords[0].strip()
linesOutage = eventWords[1].strip()
FaultBus = eventWords[2].strip()[
1:] # exclude the 'F' at the beginning
# get the raw file
if RawFileIndicator == '100':
rawFile = 'savnw_conp.raw'
else:
rawFile = 'savnw_conp{}.raw'.format(RawFileIndicator)
#Parameters. CONFIGURE THIS
settings = {
# use the same raw data in PSS/E and TS3ph #####################################
'filename':
rawFile, #use the same raw data in PSS/E and TS3ph
################################################################################
'dyr_file':
dyrFile,
'out_file':
'output2.out',
'pf_options': [
0, #disable taps
0, #disable area exchange
0, #disable phase-shift
0, #disable dc-tap
0, #disable switched shunts
0, #do not flat start
0, #apply var limits immediately
0, #disable non-div solution
]
}
output = StringIO.StringIO()
with silence(output):
ierr = psspy.read(0, settings['filename'])
#This is for the power flow. I'll use the solved case instead
ierr = psspy.fnsl(settings['pf_options'])
##### Prepare case for dynamic simulation
# Load conversion (multiple-step)
psspy.conl(_i, _i, 1, [0, _i], [_f, _f, _f, _f])
# all constant power load to constant current, constant reactive power load to constant admittance
# standard practice for dynamic simulations, constant MVA load is not acceptable
psspy.conl(1, 1, 2, [_i, _i], [100.0, 0.0, 0.0, 100.0])
psspy.conl(_i, _i, 3, [_i, _i], [_f, _f, _f, _f])
ierr = psspy.cong(0) #converting generators
ierr = psspy.ordr(0) #order the network nodes to maintain sparsity
ierr = psspy.fact() #factorise the network admittance matrix
ierr = psspy.tysl(0) #solving the converted case
ierr = psspy.dynamicsmode(0) #enter dynamics mode
print "\n Reading dyr file:", settings['dyr_file']
ierr = psspy.dyre_new([1, 1, 1, 1], settings['dyr_file'])
ierr = psspy.docu(
0, 1, [0, 3, 1]) #print the starting point of state variables
# select time step ##############################################################
ierr = psspy.dynamics_solution_params(
[_i, _i, _i, _i, _i, _i, _i, _i],
[_f, _f, 0.00833333333333333, _f, _f, _f, _f, _f],
'out_file') # the number here is the time step
################################################################################
##### select channels
ierr = psspy.delete_all_plot_channels() # clear channels
BusDataDict = getBusData(rawFile)
# get all the bus voltages, angles and frequencies
for bus in BusDataDict:
bus = int(bus)
ierr = psspy.voltage_and_angle_channel([-1, -1, -1, bus])
ierr = psspy.bus_frequency_channel([-1, bus])
print 'Event: {}'.format(event)
# get the nominal voltages as well as the fault impedance in ohms
FaultBusNomVolt = float(BusDataDict[str(FaultBus)].NominalVolt)
Zbase = FaultBusNomVolt**2 / Sbase # float since Sbase is a float
Rohm = FaultRpu * Zbase # fault impedance in ohms
# run simulation till just before the fault
ResultsDict = {}
# get the line params
line1Elements = linesOutage.split(';')[0].strip()
line2Elements = linesOutage.split(';')[1].strip()
# Line 1 params
line1 = line1Elements.split(',')
L1Bus1 = int(line1[0].strip())
L1Bus2 = int(line1[1].strip())
L1cktID = line1[2].strip("'").strip()
#print L1Bus1
#print L1Bus2
#print L1cktID
# Line 2 params
line2 = line2Elements.split(',')
L2Bus1 = int(line2[0].strip())
L2Bus2 = int(line2[1].strip())
L2cktID = line2[2].strip("'").strip()
#print L2Bus1
#print L2Bus2
#print L2cktID
#output = StringIO.StringIO()
with silence(output):
ierr = psspy.strt(0, settings['out_file'])
ierr = psspy.run(0, 0.1, 1, 1, 1)
ierr = psspy.dist_branch_trip(L1Bus1, L1Bus2, L1cktID)
#output = StringIO.StringIO()
with silence(output):
ierr = psspy.run(0, 0.2, 1, 1, 1) #fault on time
outputStr = output.getvalue()
if "Network not converged" in outputStr:
print 'For ' + event + ':'
print 'Network did not converge between branch 1 trip and fault application, skipping...'
continue
#######
# check for convergence during fault
#output = StringIO.StringIO()
with silence(output):
ierr = psspy.dist_bus_fault(int(FaultBus), 3, 0.0, [Rohm, 0.0])
ierr = psspy.run(0, 0.3, 1, 1, 1) #fault off time
ierr = psspy.dist_clear_fault(1)
outputStr = output.getvalue()
if "Network not converged" in outputStr:
print 'For ' + event + ':'
print 'Network did not converge during fault, skipping...'
continue
# check for convergence between fault clearance and second branch trip
#output = StringIO.StringIO()
with silence(output):
ierr = psspy.run(0, 0.31, 1, 1, 1) #fault off time
ierr = psspy.dist_branch_trip(L2Bus1, L2Bus2, L2cktID)
ierr = psspy.run(0, 0.35, 1, 1, 1) #fault off time
# check for non-convergence
#output = StringIO.StringIO()
outputStr = output.getvalue()
if "Network not converged" in outputStr:
print 'For ' + event + ':'
print 'Network did not converge between fault clearance and branch 2 trip, skipping...'
continue
# select run time ##############################################################
#output = StringIO.StringIO()
with silence(output):
ierr = psspy.run(0, 10.0, 1, 1,
1) #exit time (second argument is the end time)
################################################################################
# check for non-convergence
outputStr = output.getvalue()
if "Network not converged" in outputStr:
print 'For ' + event + ':'
print 'Network did not converge sometime after 2nd branch trip, skipping...'
continue
# write to output file
#with open('outputTmp.txt','w') as f:
# f.write(outputStr)
outputData = dyntools.CHNF(settings['out_file'])
data = outputData.get_data()
channelDict = data[
1] # dictionary where the value is the channel description
valueDict = data[
2] # dictionary where the values are the signal values, keys match that of channelDict
tme = valueDict['time'] # get time
ResultsDict['time'] = tme
for key in channelDict:
if key == 'time':
continue
signalDescr = channelDict[key]
words = signalDescr.split()
signalType = words[0].strip()
bus = words[1].strip()
#print Bus + ' ' + signalType
if bus not in ResultsDict:
ResultsDict[bus] = Results()
if signalType == 'VOLT':
ResultsDict[bus].volt = valueDict[key]
elif signalType == 'ANGL':
ResultsDict[bus].angle = valueDict[key]
elif signalType == 'FREQ':
ResultsDict[bus].freq = valueDict[key]
EventsDict[event] = ResultsDict
return EventsDict
def changeLoad(raw, start, end, step, newdir):
"""
New raw files are created for each percentage step in [start,end].
The current step defines the percentage scaling up (or down) factor for load and generation
"""
# convert the raw file to another one where all the load is constant power
raw_conp = raw.replace('.raw', '') + '_conp.raw'
redirect.psse2py()
psspy.psseinit(buses=80000)
# ignore the output
psspy.report_output(6, '', [0, 0])
psspy.progress_output(6, '', [0, 0])
psspy.alert_output(6, '', [0, 0])
psspy.prompt_output(6, '', [0, 0])
# read the raw file and convert all the loads to constant power
ierr = psspy.read(0, raw)
# multi-line command to convert the loads to 100% constant power
psspy.conl(0, 1, 1, [1, 0], [0.0, 0.0, 0.0, 0.0])
psspy.conl(0, 1, 2, [1, 0], [0.0, 0.0, 0.0, 0.0])
psspy.conl(0, 1, 3, [1, 0], [0.0, 0.0, 0.0, 0.0])
ierr = psspy.rawd_2(0, 1, [1, 1, 1, 0, 0, 0, 0], 0, raw_conp)
# run change Load on the constant power load raw file
rawBusDataDict = getBusData(raw_conp)
# create a new directory to put the files in
currentdir = os.getcwd()
if not os.path.exists(newdir):
os.mkdir(newdir)
output_dir = currentdir + '/' + newdir
#genDiscount = 0.90 # ratio of the actual increase in generation
genDiscount = 1.0
lossRatio = 0.0 # gen scale-up factor: (scalePercent + (scalePercent-100)*lossRatio)/100
############################################
# create new raw files with scaled up loads and generation
for scalePercent in range(start, end + step, step):
scalePercent = float(
scalePercent) # float is needed, otherwise 101/100 returns 1
scalePercentInt = int(
scalePercent) # integer value needed to append to filename
scalePercentStr = str(scalePercentInt)
# variables to store load data
loadBusList = [] # list of load buses (string)
loadPList = [] # list of Pload values (string)
loadQList = [] # list of Qload values (string)
loadPListInt = [] # list of Pload values (float)
loadQListInt = [] # list of Qload values (float)
#loadBusListInt = [] # list of load buses (int)
# variables to store gen data
genBusList = []
#genBusListInt = []
genPList = []
genMVAList = []
genMVAListInt = []
genPListInt = []
raw_name = raw_conp.replace('.raw', '')
out_file = raw_name + scalePercentStr + '.raw' # output file
out_path = output_dir + '/' + out_file
impLoadBuses = [
] # enter specified load buses to scale, if empty all loads are scaled
incLoss = (
scalePercent - 100
) * lossRatio # Additional percentage increase in Pgen (to account for losses)
#############################################
#Read raw file
with open(raw_conp, 'r') as f:
filecontent = f.read()
filelines = filecontent.split('\n')
## Get start and end indices of load and gen info
#########################################
loadStartIndex = filelines.index(
'0 / END OF BUS DATA, BEGIN LOAD DATA') + 1
loadEndIndex = filelines.index(
'0 / END OF LOAD DATA, BEGIN FIXED SHUNT DATA')
genStartIndex = filelines.index(
'0 / END OF FIXED SHUNT DATA, BEGIN GENERATOR DATA') + 1
genEndIndex = filelines.index(
'0 / END OF GENERATOR DATA, BEGIN BRANCH DATA')
##############################################################################
totalPincr = 0.0
totalQincr = 0.0
percentIncr = (scalePercent -
100.0) / 100 # increment in percentage
newPConList = []
newQConList = []
newIPList = []
newIQList = []
newZPList = []
newZQList = []
# Extract load info
for i in range(loadStartIndex, loadEndIndex):
words = filelines[i].split(',')
loadBus = words[0].strip()
#loadBusList.append(words[0].strip())
loadPCon = float(words[5].strip())
loadQCon = float(words[6].strip())
loadIP = float(words[7].strip())
loadIQ = float(words[8].strip())
loadZP = float(words[9].strip())
loadZQ = float(words[10].strip())
# calculate the total MW (MVAr) increase in load
loadBusVolt = float(rawBusDataDict[loadBus].voltpu)
Pincr = percentIncr * (
loadPCon + loadIP * loadBusVolt + loadZP * loadBusVolt**2
) # this equation is provided in PAGV1 page 293
Qincr = percentIncr * (loadQCon + loadIQ * loadBusVolt +
loadZQ * loadBusVolt**2)
totalPincr += Pincr
totalQincr += Qincr
###
# new load values
newPConList.append(loadPCon * scalePercent / 100)
newQConList.append(loadQCon * scalePercent / 100)
newIPList.append(loadIP * scalePercent / 100)
newIQList.append(loadIQ * scalePercent / 100)
newZPList.append(loadZP * scalePercent / 100)
newZQList.append(loadZQ * scalePercent / 100)
"""
loadPList.append(words[5].strip()) # adding P value (constant power)
loadQList.append(words[6].strip()) # adding Q value (constant power)
loadIPList.append(words[7].strip()) # constant current P
loadIQList.append(words[7].strip()) # constant current Q
loadZPList.append(words[9].strip()) # adding P value (constant admittance)
loadZQList.append(words[10].strip()) # adding Q value (constant admittance)
"""
# get total MW gen
totalGenMW = 0.0 # total generation excluding the swing bus
for i in range(genStartIndex, genEndIndex):
words = filelines[i].split(',')
GenBus = words[0].strip()
if rawBusDataDict[GenBus].type == '3':
continue
PGen = float(words[2].strip())
totalGenMW += PGen
# get new MW Gen
GenMWDict = {} # dictionary to hold new PGen values
for i in range(genStartIndex, genEndIndex):
words = filelines[i].split(',')
Bus = words[0].strip()
if rawBusDataDict[Bus].type == '3':
continue
macID = words[1].strip()
key = Bus + macID
PGen = float(words[2].strip())
genIncr = PGen / totalGenMW * totalPincr
newPGen = (PGen + genIncr) * genDiscount
GenMVA = float(words[8].strip())
if newPGen < GenMVA:
GenMWDict[key] = newPGen
else:
GenMWDict[key] = GenMVA
# generate the new raw file
with open(out_path, 'w') as f:
# copy everything before load data
for i in range(loadStartIndex):
f.write(filelines[i])
f.write('\n')
# modify the load data
j = 0
for i in range(loadStartIndex, loadEndIndex):
words = filelines[i].split(',')
# change the constant MVA values
words[5] = '%.3f' % newPConList[j]
words[6] = '%.3f' % newQConList[j]
words[5] = words[5].rjust(10)
words[6] = words[6].rjust(10)
# change the constant current values
words[7] = '%.3f' % newIPList[j]
words[8] = '%.3f' % newIQList[j]
words[7] = words[7].rjust(10)
words[8] = words[8].rjust(10)
# change the constant impedance values
words[9] = '%.3f' % newZPList[j]
words[10] = '%.3f' % newZQList[j]
words[9] = words[9].rjust(10)
words[10] = words[10].rjust(10)
# construct a whole string by inserting commas between the words list
filelines[i] = reconstructLine2(words)
f.write(filelines[i])
f.write('\n')
# increment the load list index
j += 1
# copy the shunt data, which is in between the load and gen data
for i in range(loadEndIndex, genStartIndex):
f.write(filelines[i])
f.write('\n')
# update and write the gen data
for i in range(genStartIndex, genEndIndex):
words = filelines[i].split(',')
Bus = words[0].strip()
if rawBusDataDict[Bus].type == '3':
f.write(filelines[i])
f.write('\n')
continue
macID = words[1].strip()
key = Bus + macID
newPGen = GenMWDict[key]
words[2] = '%.3f' % newPGen
words[2] = words[2].rjust(10)
# construct a whole string by inserting commas between the words list
filelines[i] = reconstructLine2(words)
f.write(filelines[i])
f.write('\n')
# copy the rest of the raw data
for i in range(genEndIndex, len(filelines)):
f.write(filelines[i])
f.write('\n')
# solves each of the newly generated raw files and saves them
output_dir = currentdir + '/' + newdir
NewRawFiles = os.listdir(output_dir)
PathList = [(output_dir + '/' + f) for f in NewRawFiles]
redirect.psse2py()
psspy.psseinit(buses=80000)
_i = psspy.getdefaultint()
_f = psspy.getdefaultreal()
_s = psspy.getdefaultchar()
for i in range(len(PathList)):
#Settings. CONFIGURE THIS
settings = {
# use the same raw data in PSS/E and TS3ph #####################################
'filename':
PathList[i], #use the same raw data in PSS/E and TS3ph
################################################################################
'dyr_file':
'',
'out_file':
'output2.out',
'pf_options': [
0, #disable taps
0, #disable area exchange
0, #disable phase-shift
0, #disable dc-tap
0, #disable switched shunts
0, #do not flat start
0, #apply var limits immediately
0, #disable non-div solution
]
}
psse_log = output_dir + '/' + 'log' + NewRawFiles[i].replace(
'.raw', '.txt')
psspy.report_output(2, psse_log, [0, 0])
psspy.progress_output(2, psse_log, [0, 0])
psspy.alert_output(2, psse_log, [0, 0])
psspy.prompt_output(2, psse_log, [0, 0])
print "\n Reading raw file:", settings['filename']
ierr = psspy.read(0, settings['filename'])
ierr = psspy.fnsl(settings['pf_options'])
converge = psspy.solved()
if converge == 0:
ierr = psspy.rawd_2(0, 1, [1, 1, 1, 0, 0, 0, 0], 0, PathList[i])
else: # file does not converge, remove raw file, keep log file
os.remove(PathList[i])
"""
def run_savnw_simulation(datapath, outfile1, outfile2, outfile3, prgfile):
_F1_start=100
_F1_end=100+70*1/60.0;
_F2_start = 300
_F2_end = 400;
_runto=300;
import psspy
psspy.psseinit()
savfile = 'IEEE 9 Bus_modifiedj4ab.sav'
snpfile = 'IEEE 9 Bus_modifiedj4ab.snp'
_i = psspy.getdefaultint()
_f = psspy.getdefaultreal()
_s = psspy.getdefaultchar()
INTGAR = [_i] * 7
REALAR = [_f] * 8
if datapath:
savfile = os.path.join(datapath, savfile)
snpfile = os.path.join(datapath, snpfile)
psspy.lines_per_page_one_device(1,90)
psspy.progress_output(2,prgfile,[0,0]) #Use this API to specify the progress output device.
ierr = psspy.case(savfile) #Use this API to open a PSSE Saved Case file and transfers its data into the PSSE working case
if ierr:
psspy.progress_output(1,"",[0,0])
print(" psspy.case Error")
return
ierr = psspy.rstr(snpfile)#Use this API to read a dynamics Snapshot File into PSSE working memory (activity RSTR).
if ierr:
psspy.progress_output(1,"",[0,0])
print(" psspy.rstr Error")
return
psspy.strt(0,outfile1) #strt(option, outfile) #Use this API to initialize a PSSE dynamic simulation for state-space simulations (i.e., in preparation for activity RUN) and to specify the Channel Output File into which the output channel values are to be recorded during the dynamic simulation (activity STRT).
psspy.run(0, _F1_start,5000,1,0) #Use this API to calculate PSSE state-space dynamic simulations (activity RUN).
#psspy.dist_bus_fault(8,1, 230.0,[0.0,-0.2E+10]) #Use this API routine to apply a fault at a bus during dynamic simulations. (Note: use DIST_BUS_FAULT_2 if phase voltages are to be calculated during the simulation.)
businfo = subsystem_info('bus', ['NUMBER', 'NAME', 'PU'], sid=-1)
print businfo
psspy.dist_branch_fault(8,9, '1',3,0.0,[0.0,0.000001])
##psspy.dist_branch_trip(8, 7, '1')
##psspy.load_chng_5(11, r"""1""", [0, _i, _i, _i, _i, _i, _i], [_f, _f, _f, _f, _f, _f, _f, _f])
businfo = subsystem_info('bus', ['NUMBER', 'NAME', 'PU'], sid=-1)
print businfo
psspy.run(0, _F1_end+1.5*1/60,5000,1,0)
businfo = subsystem_info('bus', ['NUMBER', 'NAME', 'PU'], sid=-1)
print businfo
#psspy.dist_branch_close(8,7,'1')
## psspy.load_chng_5(11, r"""1""", [1, _i, _i, _i, _i, _i, _i], [_f, _f, _f, _f, _f, _f, _f, _f])
psspy.dist_clear_fault(1)
psspy.run(0, _F1_end+2.0, 5000, 1, 0)
businfo = subsystem_info('bus', ['NUMBER', 'NAME', 'PU'], sid=-1)
print businfo
#psspy.dist_clear_fault(1) #Use this API to clear a fault during dynamic simulations. The fault must have previously been applied using one of the following APIs:
psspy.run(0, _runto,5000,1,0)
#trigger machine
# psspy.case(savfile) #Use this API to open a PSSE Saved Case file and transfers its data into the PSSE working case
# psspy.rstr(snpfile) #Use this API to read a dynamics Snapshot File into PSSE working memory (activity RSTR).
# psspy.strt(0,outfile2)
# psspy.run(0, 1.0,1000,1,0)
# psspy.dist_machine_trip(2,'1')
# psspy.run(0, 10.0,1000,1,0)
#trigger line
# psspy.case(savfile)
# psspy.rstr(snpfile)
# psspy.strt(0,outfile3)
# psspy.run(0, 1.0,1000,1,0)
# psspy.dist_branch_trip(7,8,'1')
# psspy.run(0, 10.0,1000,1,0)
psspy.lines_per_page_one_device(2,10000000)
psspy.progress_output(1,"",[0,0])
