def readMachines(self):
'''
Reads and stores bus numbers where generators are connected
'''
ierr, [self.machineBusNumbers] = psspy.amachint(-1, 4, 'NUMBER')
ierr, [self.machineIDs] = psspy.amachchar(-1, 4, 'ID')
assert ierr == 0, 'Error with reading generator bus numbers'
return self.machineBusNumbers, self.machineIDs
def readMachines(self):
'''
Reads and stores bus numbers where generators are connected
'''
ierr, [self.machineBusNumbers] = psspy.amachint(-1, 4, 'NUMBER')
ierr, [self.machineIDs] = psspy.amachchar(-1, 4, 'ID')
assert ierr == 0, 'Error with reading generator bus numbers'
return self.machineBusNumbers, self.machineIDs
def read_raw(self):
''' Read the raw file.'''
# Read bus numbers
ierr, bus_numbers = psspy.abusint(-1, 2, 'NUMBER')
assert ierr == 0, 'Error with reading bus numbers'
# Reads voltage levels at buses stored in self.busNumbers
ierr, voltage_levels = psspy.abusreal(-1, 2, 'PU')
assert ierr == 0, 'Error reading voltage levels'
# Reads voltage levels at buses stored in self.busNumbers
ierr, voltage_angles = psspy.abusreal(-1, 2, 'ANGLED')
assert ierr == 0, 'Error reading voltage angles'
# Creates a Python dictionary containing bus numbers as keys and associates
# a dictionary with voltage and angle to each of the keys
for bus, voltage, angle in zip(bus_numbers[0], voltage_levels[0],
voltage_angles[0]):
self.buses[bus] = {'voltage': voltage, 'angle': angle}
# Reads and stores bus numbers where generators are connected
ierr, [machine_bus_numbers] = psspy.amachint(-1, 4, 'NUMBER')
ierr, [machine_ids] = psspy.amachchar(-1, 4, 'ID')
assert ierr == 0, 'Error reading generator bus numbers'
# Reads and stores active and reactive powers of each generator
ierr1, [machine_power_p] = psspy.amachreal(-1, 4, 'PGEN')
ierr2, [machine_power_q] = psspy.amachreal(-1, 4, 'QGEN')
assert ierr1 == 0 and ierr2 == 0, 'Error with reading active and reactive powers'
# Creates a Python dictionary containing keys in form of
# "BUSNUMBER_MACHINEID" and associates a dictionary with active and
# reactive powers to each of the keys
for k in range(0, len(machine_ids)):
self.machines[(str(machine_bus_numbers[k]) + '_' +
machine_ids[k][:-1])] = {
'bus': machine_bus_numbers[k],
'P': machine_power_p[k],
'Q': machine_power_q[k]
}
# Reads and stores bus numbers where loads are connected
ierr, [load_bus_numbers] = psspy.aloadint(-1, 4, 'NUMBER')
ierr, [load_ids] = psspy.aloadchar(-1, 4, 'ID')
assert ierr == 0, 'Error reading load bus numbers'
# Reads and stores active and reactive powers of each load
ierr1, [load] = psspy.aloadcplx(-1, 4, 'TOTALACT')
load_power_p = []
load_power_q = []
for cplxload in load:
load_power_p.append(cplxload.real)
load_power_q.append(cplxload.imag)
assert ierr1 == 0, 'Error with reading active and reactive powers'
# Creates a Python dictionary containing keys in form of
# "BUSNUMBER_LOADID" and associates a dictionary with active and
# reactive powers to each of the keys
for load, bus, active, reactive in zip(load_ids, load_bus_numbers,
load_power_p, load_power_q):
self.loads[(str(bus) + '_' + load[:-1])] = {
'bus': bus,
'P': active,
'Q': reactive
}
# Reads and stores bus numbers where 2WindingTrafos are connected
ierr1, [two_w_trafo_from] = psspy.atrnint(-1, 1, 1, 2, 1, 'FROMNUMBER')
ierr2, [two_w_trafo_to] = psspy.atrnint(-1, 1, 1, 2, 1, 'TONUMBER')
assert ierr1 == 0 and ierr2 == 0, 'Error reading trafo bus numbers'
# Reads and stores 2WindingTrafo ratios taking into account the primary side
ierr1, [two_w_trafo_ratio1] = psspy.atrnreal(-1, 1, 1, 2, 1, 'RATIO')
ierr2, [two_w_trafo_ratio2] = psspy.atrnreal(-1, 1, 1, 2, 1, 'RATIO2')
assert ierr1 == 0 and ierr2 == 0, 'Error reading trafo bus numbers'
# Creates a Python dictionary containing keys in form of
# "BUSNUMBER_LOADID" and associates a dictionary with active and
# reactive powers to each of the keys
for f_bus, to_bus, ratio1, ratio2 in zip(two_w_trafo_from,
two_w_trafo_to,
two_w_trafo_ratio1,
two_w_trafo_ratio2):
self.trafos[(str(f_bus) + '_' + str(to_bus))] = {
'fromBus': f_bus,
'toBus': to_bus,
't1': ratio1,
't2': ratio2
}
cont_genbus_array.append(partxt[5])
if partxt[5] in swingbus_str:
swingbusincont = True
fcon.close()
print('-------swingbus_str: ')
print(swingbus_str)
print('------swingbusincont: ')
print(swingbusincont)
# check if swing bus in contingency:
if swingbusincont:
#sort in-service generators
ierr, iarray = psspy.amachint(-1, 1, 'NUMBER')
vtmpgenbusno = iarray[0]
ierr, rarray = psspy.amachreal(-1, 1, 'PGEN')
vtmpgenpgen = rarray[0]
gen_tmp_info = zip(vtmpgenbusno, vtmpgenpgen)
gen_tmp_sorted = sorted(gen_tmp_info,
key=lambda item: item[1],
reverse=True)
newswingbus = -1
for igen in range(0, len(gen_tmp_sorted)):
if str(gen_tmp_sorted[igen][0]) not in cont_genbus_array:
newswingbus = gen_tmp_sorted[igen][0]
break
if newswingbus != -1:
output = StringIO.StringIO()
with silence(output):
psspy.psseinit(80000) # initialize PSS\E in python
savecase = 'ieee118bus_PSSEcorrected_rq.sav'
psspy.case(savecase)
# find all the buses
psspy.bsys(0, 0, [0.0, 0.0], 1, [1], 0, [], 0, [], 0, [])
ierr, all_bus = psspy.abusint(0, 1, ['number'])
bus_num = all_bus[0]
#List of all machines
psspy.bsys(sid=1, numbus=len(bus_num), buses=bus_num)
ierr, machine_bus = psspy.amachint(1, 1, ['NUMBER'])
machine_bus = machine_bus[0]
ierr, machine_id = psspy.amachchar(1, 1, ['ID'])
machine_id = machine_id[0]
#List of all load
psspy.bsys(sid=1, numbus=len(bus_num), buses=bus_num)
ierr, load_bus = psspy.alodbusint(1, 1, ['NUMBER'])
load_bus = load_bus[0]
ierr, load_id = psspy.aloadchar(1, 1, ['ID'])
load_id = load_id[0]
#List of branches
ierr, internal_linesfbtb = psspy.abrnint(sid=1,
ties=1,
flag=1,
output = StringIO.StringIO()
with silence(output):
psspy.psseinit(80000) # initialize PSS\E in python
savecase = 'IEEE 57 bus.sav'
psspy.case(savecase)
# find all the buses
psspy.bsys(0,0,[0.0,0.0],1,[1],0,[],0,[],0,[])
ierr,all_bus = psspy.abusint(0,1,['number'])
bus_num = all_bus[0]
#List of all machines
psspy.bsys(sid = 1,numbus = len(bus_num), buses = bus_num)
ierr,machine_bus = psspy.amachint(1,1,['NUMBER'])
machine_bus = machine_bus[0]
ierr,machine_id = psspy.amachchar(1,1,['ID'])
machine_id = machine_id[0]
#List of all Gen
psspy.bsys(sid = 1,numbus = len(bus_num), buses = bus_num)
ierr,gen_bus = psspy.agenbusint(1,1,['NUMBER'])
gen_bus = gen_bus[0]
#List of all load
psspy.bsys(sid = 1,numbus = len(bus_num), buses = bus_num)
ierr,load_bus = psspy.alodbusint(1,1,['NUMBER'])
load_bus = load_bus[0]
ierr,load_id = psspy.aloadchar(1,1,['ID'])
load_id = load_id[0]