def push_line(self, tokens):
""" Adds a Branch object to the case.
"""
logger.debug("Pushing line data: %s" % tokens)
from_bus = self.case.buses[tokens["fbus"]-1]
to_bus = self.case.buses[tokens["tbus"]-1]
e = Branch(from_bus=from_bus, to_bus=to_bus)
e.r = tokens["r"]
e.x = tokens["x"]
e.b = tokens["b"]
e.rate_a = tokens["s_limit"]
e.rate_b = tokens["p_limit"]
e.rate_c = tokens["i_limit"]
# Optional parameter
if tokens["tap"] == 0: #Transmission line
e.ratio = 1.0
else: # Transformer
e.ratio = tokens["tap"]
e.phase_shift = tokens["shift"]
# Optional parameter
# if "status" in tokens.keys:
# e.online = tokens["status"]
self.case.branches.append(e)
def push_line(self, tokens):
""" Adds a Branch object to the case.
"""
logger.debug("Pushing line data: %s" % tokens)
from_bus = self.case.buses[tokens["fbus"] - 1]
to_bus = self.case.buses[tokens["tbus"] - 1]
e = Branch(from_bus=from_bus, to_bus=to_bus)
e.r = tokens["r"]
e.x = tokens["x"]
e.b = tokens["b"]
e.rate_a = tokens["s_limit"]
e.rate_b = tokens["p_limit"]
e.rate_c = tokens["i_limit"]
# Optional parameter
if tokens["tap"] == 0: #Transmission line
e.ratio = 1.0
else: # Transformer
e.ratio = tokens["tap"]
e.phase_shift = tokens["shift"]
# Optional parameter
# if "status" in tokens.keys:
# e.online = tokens["status"]
self.case.branches.append(e)
def _parse_file(self, file):
""" Parses the given file.
"""
case = Case()
file.seek(0)
case.base_mva = float(file.next().split(",")[1].split("/")[0])
case.name = "%s %s" % (file.next().strip(), file.next().strip())
bustype_map = {1: "PQ", 2: "PV", 3: "ref", 4: "isolated"}
# I, 'NAME', BASKV, IDE, GL, BL, AREA, ZONE, VM, VA, OWNER
bus_data = file.next().split(",")
while bus_data[0].strip()[0] != "0":
bus = Bus()
i = int(bus_data[0].strip())
self.bus_map[i] = bus
bus._i = i
bus.name = bus_data[1].strip("'").strip()
bus.v_base = float(bus_data[2])
bus.type = bustype_map[int(bus_data[3])]
bus.g_shunt = float(bus_data[4])
bus.b_shunt = float(bus_data[5])
bus.v_magnitude = float(bus_data[8])
bus.v_angle = float(bus_data[9])
case.buses.append(bus)
bus_data = file.next().split(",")
# I, ID, STATUS, AREA, ZONE, PL, QL, IP, IQ, YP, YQ, OWNER
load_data = file.next().split(",")
while load_data[0].strip()[0] != "0":
bus = self.bus_map[int(load_data[0].strip())]
bus.p_demand += float(load_data[5])
bus.q_demand += float(load_data[6])
load_data = file.next().split(",")
#I,ID,PG,QG,QT,QB,VS,IREG,MBASE,ZR,ZX,RT,XT,GTAP,STAT,RMPCT,PT,PB,O1,F1
gen_data = file.next().split(",")
while gen_data[0].strip()[0] != "0":
bus = self.bus_map[int(gen_data[0].strip())]
g = Generator(bus)
g.p = float(gen_data[2])
g.q = float(gen_data[3])
g.q_max = float(gen_data[4])
g.q_min = float(gen_data[5])
g.v_magnitude = float(gen_data[6])
g.base_mva = float(gen_data[8])
g.online = bool(int(gen_data[14]))
g.p_max = float(gen_data[16])
g.p_min = float(gen_data[17])
case.generators.append(g)
gen_data = file.next().split(",")
# I,J,CKT,R,X,B,RATEA,RATEB,RATEC,GI,BI,GJ,BJ,ST,LEN,O1,F1,...,O4,F4
branch_data = file.next().split(",")
while branch_data[0].strip()[0] != "0":
from_bus = self.bus_map[abs(int(branch_data[0]))]
to_bus = self.bus_map[abs(int(branch_data[1]))]
l = Branch(from_bus, to_bus)
l.r = float(branch_data[3])
l.x = float(branch_data[4])
l.b = float(branch_data[5])
l.rate_a = float(branch_data[6])
l.rate_b = float(branch_data[7])
l.rate_c = float(branch_data[8])
# l.online = bool(int(branch_data[13]))
case.branches.append(l)
branch_data = file.next().split(",")
# I,J,K,CKT,CW,CZ,CM,MAG1,MAG2,NMETR,'NAME',STAT,O1,F1,...,O4,F4
# R1-2,X1-2,SBASE1-2
# WINDV1,NOMV1,ANG1,RATA1,RATB1,RATC1,COD1,CONT1,RMA1,RMI1,VMA1,VMI1,NTP1,TAB1,CR1,CX1
# WINDV2,NOMV2
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
trx_data2 = file.next().split(",")
trx_data3 = file.next().split(",")
trx_data4 = file.next().split(",") # second winding
if len(trx_data2) < 5:
from_bus = self.bus_map[abs(int(trx_data[0]))]
to_bus = self.bus_map[abs(int(trx_data[1]))]
l = Branch(from_bus, to_bus)
l.name = trx_data[10].strip("'").strip()
l.online = bool(int(trx_data[11]))
l.b = float(trx_data[8])
l.r = float(trx_data2[0])
l.x = float(trx_data2[1])
l.ratio = float(trx_data3[0])
l.phase_shift = float(trx_data3[2])
rate_a = float(trx_data3[3])
if rate_a != 0.0:
l.rate_a = rate_a
rate_b = float(trx_data3[4])
if rate_b != 0.0:
l.rate_b = rate_b
rate_c = float(trx_data3[5])
if rate_c != 0.0:
l.rate_c = rate_c
case.branches.append(l)
trx_data = file.next().split(",")
else:
# I,J,K,CKT,CW,CZ,CM,MAG1,MAG2,NMETR,'NAME',STAT,O1,F1,...,O4,F4
# R1-2,X1-2,SBASE1-2,R2-3,X2-3,SBASE2-3,R3-1,X3-1,SBASE3-1,VMSTAR,ANSTAR
# WINDV1,NOMV1,ANG1,RATA1,RATB1,RATC1,COD1,CONT1,RMA1,RMI1,VMA1,VMI1,NTP1,TAB1,CR1,CX1
# WINDV2,NOMV2,ANG2,RATA2,RATB2,RATC2,COD2,CONT2,RMA2,RMI2,VMA2,VMI2,NTP2,TAB2,CR2,CX2
# WINDV3,NOMV3,ANG3,RATA3,RATB3,RATC3,COD3,CONT3,RMA3,RMI3,VMA3,VMI3,NTP3,TAB3,CR3,CX3
trx_data5 = file.next().split(",") # third winding
# Three-winding transformers are modelled as a group of three
# two-winding transformers with a fictitious neutral bus.
tmp_bus = Bus()
tmp_bus.name = "n" + tmp_bus.name
tmp_bus._i = len(case.buses) + 1
bus1 = self.bus_map[abs(int(trx_data[0]))]
bus2 = self.bus_map[abs(int(trx_data[1]))]
bus3 = self.bus_map[abs(int(trx_data[2]))]
l1 = Branch(tmp_bus, bus1)
l2 = Branch(tmp_bus, bus2)
l3 = Branch(tmp_bus, bus3)
b = float(trx_data[8]) # MAG2
l1.b = b # / 3.0
# l2.b = b / 3.0
# l3.b = b / 3.0
on = bool(int(trx_data[11]))
l1.online = on
l2.online = on
l3.online = on
r12 = float(trx_data2[0])
x12 = float(trx_data2[1])
r23 = float(trx_data2[3])
x23 = float(trx_data2[4])
r31 = float(trx_data2[6])
x31 = float(trx_data2[7])
l1.r = 0.5 * (r12 + r31 - r23)
l1.x = 0.5 * (x12 + x31 - x23)
l2.r = 0.5 * (r12 + r23 - r31)
l2.x = 0.5 * (x12 + x23 - x31)
l3.r = 0.5 * (r23 + r31 - r12)
l3.x = 0.5 * (x23 + x31 - x12)
for l in [l1, l2, l3]:
if abs(l.x) < 1e-5:
logger.warning("Zero branch reactance [%s]." % l.name)
l.x = self.xtol
if abs(complex(l.r, l.x)) < 0.00001:
logger.warning("Zero branch impedance [%s]." % l.name)
l1.ratio = float(trx_data3[0])
l1.phase_shift = float(trx_data3[2])
l2.ratio = float(trx_data4[0])
l2.phase_shift = float(trx_data4[2])
l3.ratio = float(trx_data5[0])
l3.phase_shift = float(trx_data5[2])
rate_a1 = float(trx_data3[3])
rate_b1 = float(trx_data3[4])
rate_c1 = float(trx_data3[5])
if rate_a1 > 0.0:
l1.rate_a = rate_a1
if rate_b1 > 0.0:
l1.rate_b = rate_b1
if rate_c1 > 0.0:
l1.rate_c = rate_c1
rate_a2 = float(trx_data4[3])
rate_b2 = float(trx_data4[4])
rate_c2 = float(trx_data4[5])
if rate_a2 > 0.0:
l2.rate_a = rate_a2
if rate_b2 > 0.0:
l2.rate_b = rate_b2
if rate_c2 > 0.0:
l2.rate_c = rate_c2
rate_a3 = float(trx_data5[3])
rate_b3 = float(trx_data5[4])
rate_c3 = float(trx_data5[5])
if rate_a3 > 0.0:
l3.rate_a = rate_a3
if rate_b2 > 0.0:
l3.rate_b = rate_b3
if rate_c2 > 0.0:
l3.rate_c = rate_c3
case.buses.append(tmp_bus)
case.branches.append(l1)
case.branches.append(l2)
case.branches.append(l3)
trx_data = file.next().split(",")
# Area interchange data.
# I, ISW, PDES, PTOL, 'ARNAME'
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
logger.warning("Ignoring area interchange data.")
trx_data = file.next().split(",")
# Two-terminal DC line data.
# I,MDC,RDC,SETVL,VSCHD,VCMOD,RCOMP,DELTI,METER,DCVMIN,CCCITMX,CCCACC
# IPR,NBR,ALFMX,ALFMN,RCR,XCR,EBASR,TRR,TAPR,TMXR,TMNR,STPR,ICR,IFR,ITR,IDR,XCAPR
# IPI,NBI,GAMMX,GAMMN,RCI,XCI,EBASI,TRI,TAPI,TMXI,TMNI,STPI,ICI,IFI,ITI,IDI,XCAPI
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
logger.warning("Ignoring two-terminal DC line data.")
trx_data = file.next().split(",")
# VSC DC line data.
# 'NAME', MDC, RDC, O1, F1, ... O4, F4
# IBUS,TYPE,MODE,DOCET,ACSET,ALOSS,BLOSS,MINOSS,SMAX,IMAX,PWF,MAXQ,MINQ,
# REMOT,RMPCT
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
logger.warning("Ignoring VSC DC line data.")
trx_data = file.next().split(",")
# Switched shunt data.
# I,MODSW,VSWHI,VSWLO,SWREM,RMPCT,'RMIDNT',BINIT,N1,B1,N2,B2,...N8,B8
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
bus = self.bus_map[abs(int(trx_data[0]))]
bus.b_shunt += float(trx_data[7])
trx_data = file.next().split(",")
# Transformer impedance correction table.
# I, T1, F1, T2, F2, T3, F3, ... T11, F11
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
logger.warning("Ignoring transformer X correction table data.")
trx_data = file.next().split(",")
# Multi-terminal dc line data.
# I, NCONV, NDCBS, NDCLN, MDC, VCONV, VCMOD, VCONVN
# IB,N,ANGMX,ANGMN,RC,XC,EBAS,TR,TAP,TPMX,TPMN,TSTP,SETVL,DCPF,MARG,CNVCOD
# IDC, IB, IA, ZONE, 'NAME', IDC2, RGRND, OWNER
# IDC, JDC, DCCKT, RDC, LDC
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
logger.warning("Ignoring multi-terminal dc line data.")
trx_data = file.next().split(",")
# Multisection line data.
# I,J,ID,DUM1,DUM2,...DUM9
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
logger.warning("Ignoring multisection line data.")
trx_data = file.next().split(",")
# Zone data.
# I,'ZONAME'
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
logger.warning("Ignoring zone data.")
trx_data = file.next().split(",")
# Interarea transfer data.
# ARFROM, ARTO, TRID, PTRAN
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
logger.warning("Ignoring interarea transfer data.")
trx_data = file.next().split(",")
# Owner data.
# I,'OWNAME'
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
logger.warning("Ignoring owner data.")
trx_data = file.next().split(",")
# FACTS device data.
# N,I,J,MODE,PDES,QDES,VSET,SHMX,TRMX,VTMN,VTMX,VSMX,IMX,LINX,RMPCT,OWNER,SET1,SET2,VSREF
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
logger.warning("Ignoring FACTS device data.")
trx_data = file.next().split(",")
return case
def _parse_file(self, file):
""" Parses the given file.
"""
case = Case()
file.seek(0)
case.base_mva = float(file.next().split(",")[1].split("/")[0])
case.name = "%s %s" % (file.next().strip(), file.next().strip())
bustype_map = {1: "PQ", 2: "PV", 3: "ref", 4: "isolated"}
# I, 'NAME', BASKV, IDE, GL, BL, AREA, ZONE, VM, VA, OWNER
bus_data = file.next().split(",")
while bus_data[0].strip()[0] != "0":
bus = Bus()
i = int(bus_data[0].strip())
self.bus_map[i] = bus
bus._i = i
bus.name = bus_data[1].strip("'").strip()
bus.v_base = float(bus_data[2])
bus.type = bustype_map[int(bus_data[3])]
bus.g_shunt = float(bus_data[4])
bus.b_shunt = float(bus_data[5])
bus.v_magnitude = float(bus_data[8])
bus.v_angle = float(bus_data[9])
# bus.area = 1; # hcui7 added
case.buses.append(bus)
bus_data = file.next().split(",")
# I, ID, STATUS, AREA, ZONE, PL, QL, IP, IQ, YP, YQ, OWNER
load_data = file.next().split(",")
while load_data[0].strip()[0] != "0":
bus = self.bus_map[int(load_data[0].strip())]
bus.p_demand += float(load_data[5])
bus.q_demand += float(load_data[6])
load_data = file.next().split(",")
# I,ID,PG,QG,QT,QB,VS,IREG,MBASE,ZR,ZX,RT,XT,GTAP,STAT,RMPCT,PT,PB,O1,F1
gen_data = file.next().split(",")
while gen_data[0].strip()[0] != "0":
bus = self.bus_map[int(gen_data[0].strip())]
g = Generator(bus)
g.p = float(gen_data[2])
g.q = float(gen_data[3])
g.q_max = float(gen_data[4])
g.q_min = float(gen_data[5])
g.v_magnitude = float(gen_data[6])
g.base_mva = float(gen_data[8])
g.online = bool(int(gen_data[14]))
g.p_max = float(gen_data[16])
g.p_min = float(gen_data[17])
case.generators.append(g)
gen_data = file.next().split(",")
# I,J,CKT,R,X,B,RATEA,RATEB,RATEC,GI,BI,GJ,BJ,ST,LEN,O1,F1,...,O4,F4
branch_data = file.next().split(",")
while branch_data[0].strip()[0] != "0":
from_bus = self.bus_map[abs(int(branch_data[0]))]
to_bus = self.bus_map[abs(int(branch_data[1]))]
l = Branch(from_bus, to_bus)
l.r = float(branch_data[3])
l.x = float(branch_data[4])
l.b = float(branch_data[5])
l.rate_a = float(branch_data[6])
l.rate_b = float(branch_data[7])
l.rate_c = float(branch_data[8])
# l.online = bool(int(branch_data[13]))
case.branches.append(l)
branch_data = file.next().split(",")
# I,J,K,CKT,CW,CZ,CM,MAG1,MAG2,NMETR,'NAME',STAT,O1,F1,...,O4,F4
# R1-2,X1-2,SBASE1-2
# WINDV1,NOMV1,ANG1,RATA1,RATB1,RATC1,COD1,CONT1,RMA1,RMI1,VMA1,VMI1,NTP1,TAB1,CR1,CX1
# WINDV2,NOMV2
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
trx_data2 = file.next().split(",")
trx_data3 = file.next().split(",")
trx_data4 = file.next().split(",") # second winding
if len(trx_data2) < 5:
from_bus = self.bus_map[abs(int(trx_data[0]))]
to_bus = self.bus_map[abs(int(trx_data[1]))]
l = Branch(from_bus, to_bus)
l.name = trx_data[10].strip("'").strip()
l.online = bool(int(trx_data[11]))
l.b = float(trx_data[8])
l.r = float(trx_data2[0])
l.x = float(trx_data2[1])
l.ratio = float(trx_data3[0])
l.phase_shift = float(trx_data3[2])
rate_a = float(trx_data3[3])
if rate_a != 0.0:
l.rate_a = rate_a
rate_b = float(trx_data3[4])
if rate_b != 0.0:
l.rate_b = rate_b
rate_c = float(trx_data3[5])
if rate_c != 0.0:
l.rate_c = rate_c
case.branches.append(l)
trx_data = file.next().split(",")
else:
# I,J,K,CKT,CW,CZ,CM,MAG1,MAG2,NMETR,'NAME',STAT,O1,F1,...,O4,F4
# R1-2,X1-2,SBASE1-2,R2-3,X2-3,SBASE2-3,R3-1,X3-1,SBASE3-1,VMSTAR,ANSTAR
# WINDV1,NOMV1,ANG1,RATA1,RATB1,RATC1,COD1,CONT1,RMA1,RMI1,VMA1,VMI1,NTP1,TAB1,CR1,CX1
# WINDV2,NOMV2,ANG2,RATA2,RATB2,RATC2,COD2,CONT2,RMA2,RMI2,VMA2,VMI2,NTP2,TAB2,CR2,CX2
# WINDV3,NOMV3,ANG3,RATA3,RATB3,RATC3,COD3,CONT3,RMA3,RMI3,VMA3,VMI3,NTP3,TAB3,CR3,CX3
trx_data5 = file.next().split(",") # third winding
# Three-winding transformers are modelled as a group of three
# two-winding transformers with a fictitious neutral bus.
tmp_bus = Bus()
tmp_bus.name = "n" + tmp_bus.name
tmp_bus._i = len(case.buses) + 1
bus1 = self.bus_map[abs(int(trx_data[0]))]
bus2 = self.bus_map[abs(int(trx_data[1]))]
bus3 = self.bus_map[abs(int(trx_data[2]))]
l1 = Branch(tmp_bus, bus1)
l2 = Branch(tmp_bus, bus2)
l3 = Branch(tmp_bus, bus3)
b = float(trx_data[8]) # MAG2
l1.b = b # / 3.0
# l2.b = b / 3.0
# l3.b = b / 3.0
on = bool(int(trx_data[11]))
l1.online = on
l2.online = on
l3.online = on
r12 = float(trx_data2[0])
x12 = float(trx_data2[1])
r23 = float(trx_data2[3])
x23 = float(trx_data2[4])
r31 = float(trx_data2[6])
x31 = float(trx_data2[7])
l1.r = 0.5 * (r12 + r31 - r23)
l1.x = 0.5 * (x12 + x31 - x23)
l2.r = 0.5 * (r12 + r23 - r31)
l2.x = 0.5 * (x12 + x23 - x31)
l3.r = 0.5 * (r23 + r31 - r12)
l3.x = 0.5 * (x23 + x31 - x12)
for l in [l1, l2, l3]:
if abs(l.x) < 1e-5:
logger.warning("Zero branch reactance [%s]." % l.name)
l.x = self.xtol
if abs(complex(l.r, l.x)) < 0.00001:
logger.warning("Zero branch impedance [%s]." % l.name)
l1.ratio = float(trx_data3[0])
l1.phase_shift = float(trx_data3[2])
l2.ratio = float(trx_data4[0])
l2.phase_shift = float(trx_data4[2])
l3.ratio = float(trx_data5[0])
l3.phase_shift = float(trx_data5[2])
rate_a1 = float(trx_data3[3])
rate_b1 = float(trx_data3[4])
rate_c1 = float(trx_data3[5])
if rate_a1 > 0.0:
l1.rate_a = rate_a1
if rate_b1 > 0.0:
l1.rate_b = rate_b1
if rate_c1 > 0.0:
l1.rate_c = rate_c1
rate_a2 = float(trx_data4[3])
rate_b2 = float(trx_data4[4])
rate_c2 = float(trx_data4[5])
if rate_a2 > 0.0:
l2.rate_a = rate_a2
if rate_b2 > 0.0:
l2.rate_b = rate_b2
if rate_c2 > 0.0:
l2.rate_c = rate_c2
rate_a3 = float(trx_data5[3])
rate_b3 = float(trx_data5[4])
rate_c3 = float(trx_data5[5])
if rate_a3 > 0.0:
l3.rate_a = rate_a3
if rate_b2 > 0.0:
l3.rate_b = rate_b3
if rate_c2 > 0.0:
l3.rate_c = rate_c3
case.buses.append(tmp_bus)
case.branches.append(l1)
case.branches.append(l2)
case.branches.append(l3)
trx_data = file.next().split(",")
# Area interchange data.
# I, ISW, PDES, PTOL, 'ARNAME'
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
logger.warning("Ignoring area interchange data.")
trx_data = file.next().split(",")
# Two-terminal DC line data.
# I,MDC,RDC,SETVL,VSCHD,VCMOD,RCOMP,DELTI,METER,DCVMIN,CCCITMX,CCCACC
# IPR,NBR,ALFMX,ALFMN,RCR,XCR,EBASR,TRR,TAPR,TMXR,TMNR,STPR,ICR,IFR,ITR,IDR,XCAPR
# IPI,NBI,GAMMX,GAMMN,RCI,XCI,EBASI,TRI,TAPI,TMXI,TMNI,STPI,ICI,IFI,ITI,IDI,XCAPI
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
logger.warning("Ignoring two-terminal DC line data.")
trx_data = file.next().split(",")
# VSC DC line data.
# 'NAME', MDC, RDC, O1, F1, ... O4, F4
# IBUS,TYPE,MODE,DOCET,ACSET,ALOSS,BLOSS,MINOSS,SMAX,IMAX,PWF,MAXQ,MINQ,
# REMOT,RMPCT
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
logger.warning("Ignoring VSC DC line data.")
trx_data = file.next().split(",")
# Switched shunt data.
# I,MODSW,VSWHI,VSWLO,SWREM,RMPCT,'RMIDNT',BINIT,N1,B1,N2,B2,...N8,B8
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
bus = self.bus_map[abs(int(trx_data[0]))]
bus.b_shunt += float(trx_data[7])
trx_data = file.next().split(",")
# Transformer impedance correction table.
# I, T1, F1, T2, F2, T3, F3, ... T11, F11
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
logger.warning("Ignoring transformer X correction table data.")
trx_data = file.next().split(",")
# Multi-terminal dc line data.
# I, NCONV, NDCBS, NDCLN, MDC, VCONV, VCMOD, VCONVN
# IB,N,ANGMX,ANGMN,RC,XC,EBAS,TR,TAP,TPMX,TPMN,TSTP,SETVL,DCPF,MARG,CNVCOD
# IDC, IB, IA, ZONE, 'NAME', IDC2, RGRND, OWNER
# IDC, JDC, DCCKT, RDC, LDC
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
logger.warning("Ignoring multi-terminal dc line data.")
trx_data = file.next().split(",")
# Multisection line data.
# I,J,ID,DUM1,DUM2,...DUM9
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
logger.warning("Ignoring multisection line data.")
trx_data = file.next().split(",")
# Zone data.
# I,'ZONAME'
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
logger.warning("Ignoring zone data.")
trx_data = file.next().split(",")
# Interarea transfer data.
# ARFROM, ARTO, TRID, PTRAN
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
logger.warning("Ignoring interarea transfer data.")
trx_data = file.next().split(",")
# Owner data.
# I,'OWNAME'
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
logger.warning("Ignoring owner data.")
trx_data = file.next().split(",")
# FACTS device data.
# N,I,J,MODE,PDES,QDES,VSET,SHMX,TRMX,VTMN,VTMX,VSMX,IMX,LINX,RMPCT,OWNER,SET1,SET2,VSREF
trx_data = file.next().split(",")
while trx_data[0].strip()[0] != "0":
logger.warning("Ignoring FACTS device data.")
trx_data = file.next().split(",")
return case